Claus Jørgen Nielsen

Professor emeritus

Research interests:

 

  • Atmospheric Chemistry of Amines
  • Chemical Kinetics
  • Reaction Mechanisms
Tags: Physical chemistry, Computational Chemistry, Spectroscopy, Atmospheric Chemistry

Publications

  • Tomsche, Laura; Piel, Felix Maximilian; Mikoviny, Tomas; Nielsen, Claus Jørgen; Guo, Hongyu & Campuzano-Jost, Pedro [Show all 17 contributors for this article] (2023). Measurement report: Emission factors of NH3 and NHx for wildfires and agricultural fires in the United States. Atmospheric Chemistry and Physics (ACP). ISSN 1680-7316. 23(4), p. 2331–2343. doi: 10.5194/acp-23-2331-2023. Full text in Research Archive
  • Nielsen, Claus Jørgen & Tang, Yizhen (2023). Comment on “Theoretical study of the NO3 radical reaction with CH2ClBr, CH2ICl, CH2BrI, CHCl2Br, and CHClBr2” by I. Alkorta, J. M. C. Plane, J. Elguero, J. Z. Dávalos, A. U. Acuña and A. Saiz-Lopez, Phys. Chem. Chem. Phys. 2022, 24, 14365. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 25(5), p. 4355–4356. doi: 10.1039/d2cp03013f. Full text in Research Archive
  • Bunkan, Arne Joakim Coldevin; Reijrink, Nina Gwendolyn; Mikoviny, Tomas; Müller, Markus; Nielsen, Claus Jørgen & Zhu, Liang (2022). Atmospheric Chemistry of N-Methylmethanimine (CH<inf>3</inf>N=CH<inf>2</inf>): A Theoretical and Experimental Study. Journal of Physical Chemistry A. ISSN 1089-5639. 126(20), p. 3247–3264. doi: 10.1021/acs.jpca.2c01925. Full text in Research Archive
  • Fagerlund, Johan; Zevenhoven, Ron; Thomassen, Jørgen; Tednes, Marius; Abdollahi, Farhang & Thomas, Laurent [Show all 12 contributors for this article] (2021). Performance of an amine-based CO2 capture pilot plant at the Fortum Oslo Varme Waste to Energy plant in Oslo, Norway. International Journal of Greenhouse Gas Control. ISSN 1750-5836. 106, p. 1–14. doi: 10.1016/j.ijggc.2020.103242. Full text in Research Archive
  • Tan, Wen; Zhu, Liang; Mikoviny, Tomas; Nielsen, Claus Jørgen; Tang, Yizhen & Wisthaler, Armin [Show all 15 contributors for this article] (2021). Atmospheric Chemistry of 2-Amino-2-methyl-1-propanol: A Theoretical and Experimental Study of the OH-Initiated Degradation under Simulated Atmospheric Conditions. Journal of Physical Chemistry A. ISSN 1089-5639. 125(34), p. 7502–7519. doi: 10.1021/acs.jpca.1c04898. Full text in Research Archive
  • Tan, Wen; Zhu, Liang; Mikoviny, Tomas; Nielsen, Claus Jørgen; Wisthaler, Armin & D´Anna, Barbara [Show all 14 contributors for this article] (2020). Experimental and Theoretical Study of the OH-Initiated Degradation of Piperazine under Simulated Atmospheric Conditions. Journal of Physical Chemistry A. ISSN 1089-5639. doi: 10.1021/acs.jpca.0c10223. Full text in Research Archive
  • Hodnebrog, Øivind; Aamaas, Borgar; Fuglestvedt, Jan S.; Marston, G.; Myhre, Gunnar & Nielsen, Claus Jørgen [Show all 9 contributors for this article] (2020). Updated global warming potentials and radiative efficiencies of halocarbons and other weak atmospheric absorbers. Reviews of Geophysics. ISSN 8755-1209. 58:e2019RG000691(3), p. 1–30. doi: 10.1029/2019RG000691. Full text in Research Archive
  • Antonsen, Simen Gjelseth; Bunkan, Arne Joakim Coldevin; Mikoviny, Tomas; Nielsen, Claus Jørgen; Stenstrøm, Yngve H. & Wisthaler, Armin (2020). Atmospheric Chemistry of Methyl Isocyanide – an Experimental and Theoretical Study. Journal of Physical Chemistry A. ISSN 1089-5639. 124(32), p. 6562–6571. doi: 10.1021/acs.jpca.0c05127. Full text in Research Archive
  • Rozenberg, Mark; Loewenschuss, Aharon & Nielsen, Claus Jørgen (2020). Acetonitrile/sulfuric acid/water clusters: A matrix isolation infrared and computational study. Journal of Molecular Structure. ISSN 0022-2860. 1199:126948, p. 1–5. doi: 10.1016/j.molstruc.2019.126948.
  • Antonsen, Simen Gjelseth; Bunkan, Arne Joakim Coldevin; Mikoviny, Tomas; Nielsen, Claus Jørgen; Stenstrøm, Yngve H. & Wisthaler, Armin (2020). Atmospheric chemistry of diazomethane – an experimental and theoretical study. Molecular Physics. ISSN 0026-8976. p. 1–8. doi: 10.1080/00268976.2020.1718227. Full text in Research Archive
  • Andersen, Niels Højmark; Klæboe, Peter; Nielsen, Claus Jørgen; Shumberger, Brendan M. & Guirgis, Gamil A. (2019). The Raman and infrared spectra, ab initio calculations and spectral assignments of 1,1-dicyclopropyl-2,2-dimethylethene (c-C3H5)2C]C(CH3)2. Journal of Molecular Structure. ISSN 0022-2860. 1195, p. 528–541. doi: 10.1016/j.molstruc.2019.05.108.
  • Tan, Wen; Zhu, Liang; Mikoviny, Tomas; Nielsen, Claus Jørgen; Wisthaler, Armin & Eichler, Philipp [Show all 14 contributors for this article] (2018). Theoretical and experimental study on the reaction of tert-butylamine with OH radicals in the atmosphere. Journal of Physical Chemistry A. ISSN 1089-5639. 122(18), p. 4470–4480. doi: 10.1021/acs.jpca.8b01862.
  • Sulbaek Andersen, Mads P; Kyte, Mildrid; Andersen, Simone Thirstrup; Nielsen, Claus Jørgen & Nielsen, Ole John (2017). Atmospheric Chemistry of (CF3)2CF–C≡N: A Replacement Compound for the Most Potent Industrial Greenhouse Gas, SF6. Environmental Science and Technology. ISSN 0013-936X. 51(3), p. 1321–1329. doi: 10.1021/acs.est.6b03758.
  • Mikoviny, Tomas; Nielsen, Claus Jørgen; Tan, Wen; Wisthaler, Armin; Zhu, Liang & Morken, Anne Kolstad [Show all 7 contributors for this article] (2017). Ambient Measurements of Amines by PTR-QiTOF: Instrument Performance Assessment and Results from Field Measurements in the Vicinity of TCM, Mongstad. Energy Procedia. ISSN 1876-6102. 114, p. 1017–1021. doi: 10.1016/j.egypro.2017.03.1246. Full text in Research Archive
  • Zhu, Liang; Mikoviny, Tomas; Wisthaler, Armin & Nielsen, Claus Jørgen (2017). A Sampling Line Artifact in Stack Emission Measurement of Alkanolamine-enabled Carbon Capture Facility: Surface Reaction of Amines with Formaldehyde. Energy Procedia. ISSN 1876-6102. 114, p. 1022–1025. doi: 10.1016/j.egypro.2017.03.1247. Full text in Research Archive
  • Antonsen, Simen Gjelseth; Bunkan, Arne Joakim Coldevin; D'Anna, Barbara; Eichler, Philipp; Farren, Naomi J. & Hallquist, Mattias [Show all 14 contributors for this article] (2017). Atmospheric Chemistry of tert-butylamine and AMP. Energy Procedia. ISSN 1876-6102. 114, p. 1026–1032. doi: 10.1016/j.egypro.2017.03.1248. Full text in Research Archive
  • Jacquinet-Husson, Nicole; Armante, Raymond; Scott, Noëlle A.; Chédin, Alain; Crépeau, Laurent & Boutammine, Chérif [Show all 57 contributors for this article] (2016). The 2015 edition of the GEISA spectroscopic database. Journal of Molecular Spectroscopy. ISSN 0022-2852. 327, p. 31–72. doi: 10.1016/j.jms.2016.06.007.
  • Maguta, Mihayo Musabila; Stenstrøm, Yngve & Nielsen, Claus Jørgen (2016). Kinetic and theoretical study of the nitrate (NO3) radical gas phase reactions with N‐nitrosodimethylamine and N‐nitrosodiethylamine. Journal of Physical Chemistry A. ISSN 1089-5639. 120(35), p. 6970–6977. doi: 10.1021/acs.jpca.6b05440.
  • Bunkan, Arne Joakim Coldevin; Mikoviny, Tomas; Nielsen, Claus Jørgen; Wisthaler, Armin & Zhu, Liang (2016). Experimental and Theoretical Study of the OH-Initiated Photo-oxidation of Formamide. Journal of Physical Chemistry A. ISSN 1089-5639. 120(8), p. 1222–1230. doi: 10.1021/acs.jpca.6b00032.
  • Rozenberg, Mark; Loewenschuss, Aharon & Nielsen, Claus Jørgen (2016). H-Bonding of Sulfuric Acid with Its Decomposition Products: An Infrared Matrix Isolation and Computational Study of the H2SO4·H2O·SO3 Complex. Journal of Physical Chemistry A. ISSN 1089-5639. 120(20), p. 3450–3455. doi: 10.1021/acs.jpca.6b00635.
  • Wallington, Timothy J.; Pivesso, Bruno Pasquini; Lira, Alane Moura; Anderson, James E.; Nielsen, Claus Jørgen & Andersen, Niels Højmark [Show all 7 contributors for this article] (2016). CH3Cl, CH2Cl2, CHCl3, and CCl4: Infrared spectra, radiative efficiencies, and global warming potentials. Journal of Quantitative Spectroscopy and Radiative Transfer. ISSN 0022-4073. 174, p. 56–64. doi: 10.1016/j.jqsrt.2016.01.029.
  • Rozenberg, Mark; Loewenschuss, Aharon & Nielsen, Claus Jørgen (2015). Hydrogen bonding in the sulfuric acid-methanol-water system: A matrix isolation and computational study. Journal of Physical Chemistry A. ISSN 1089-5639. 119(11), p. 2271–2280. doi: 10.1021/jp505965z.
  • Nielsen, Claus Jørgen; Klæboe, Peter; Andersen, Niels Højmark; Guirgis, Gamil A.; Hickman, Daniel V. & Morris, Tamia B. (2015). Infrared and Raman spectra, DFT-calculations and spectral assignments of 1,1,3,3,5,5-hexafluoro-1,3,5-trisilacyclohexane. Journal of Molecular Structure. ISSN 0022-2860. 1099, p. 399–406. doi: 10.1016/j.molstruc.2015.05.065.
  • Rozenberg, Mark; Loewenschuss, Aharon & Nielsen, Claus Jørgen (2015). H-Bonding of Formic Acid with Its Decomposition Products: A Matrix Isolation and Computational Study of the HCOOH/CO and HCOOH/CO2 Complexes. Journal of Physical Chemistry A. ISSN 1089-5639. 119(31), p. 8497–8502. doi: 10.1021/acs.jpca.5b05214.
  • Nilsson, Elna J. K.; Heimdal, Jimmy; Bache-Andreassen, Lihn; Johnson, Matthew S. & Nielsen, Claus Jørgen (2015). Tropospheric Photolysis Rates of the Acetaldehyde Isotopologues CD3CHO and CD3CDO Relative to CH3CHO Measured at the European Photoreactor Facility. Journal of Physical Chemistry A. ISSN 1089-5639. 119(11), p. 2562–2567. doi: 10.1021/jp509050d.
  • Guirgis, Gamil A.; Dukes, Horace W.; Wyatt, Justin K.; Nielsen, Claus Jørgen; Horn, Anne & Aleksa, Valdemaras [Show all 7 contributors for this article] (2015). Vibrational spectra, quantum chemical calculations and spectral assignments of 1,1-difluoro-1-silacyclohexane Dedicated to Professor Benjamin J. van der Veken, University of Antwerp, Belgium on the occasion of his 65 years birthday. Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy. ISSN 1386-1425. 136, p. 51–57. doi: 10.1016/j.saa.2013.10.058.
  • Nicovich, J. Michael; Mazumder, Shivnath B.; Laine, Patrick L.; Wine, Paul H.; Tang, Yizhen & Bunkan, Arne Joakim Coldevin (2015). An experimental and theoretical study of the gas phase kinetics of atomic chlorine reactions with CH3NH2, (CH3)2NH, and (CH3)3N. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 17(2), p. 911–917. doi: 10.1039/c4cp03801k.
  • Bunkan, Arne Joakim Coldevin; Hetzler, Jens; Mikoviny, Tomas; Wisthaler, Armin; Nielsen, Claus Jørgen & Olzmann, Matthias (2015). The reactions of N-methylformamide and N,N-dimethylformamide with OH and their photo-oxidation under atmospheric conditions: experimental and theoretical studies. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 17(10), p. 7046–7059. doi: 10.1039/C4CP05805D. Full text in Research Archive
  • Rozenberg, Mark; Loewenschuss, Aharon & Nielsen, Claus Jørgen (2014). Trimethylamine/sulfuric acid/water clusters: A matrix isolation infrared study. Journal of Physical Chemistry A. ISSN 1089-5639. 118(6), p. 1004–1011. doi: 10.1021/jp410922x.
  • Bunkan, Arne Joakim Coldevin; Tang, Yizhen; Sellevåg, Stig Rune & Nielsen, Claus Jørgen (2014). Atmospheric Gas Phase Chemistry of CH2═NH and HNC. A First-Principles Approach. Journal of Physical Chemistry A. ISSN 1089-5639. 118(28), p. 5279–5288. doi: 10.1021/jp5049088.
  • Andersen, Niels Højmark; Klæboe, Peter; Nielsen, Claus Jørgen; Guirgis, Gamil A.; Overby, Jason S. & Askarian, Sahand M. (2014). Infrared and Raman spectra, DFT calculations and spectral assignments of 1,3,5-trisilacyclohexane. Journal of Molecular Structure. ISSN 0022-2860. 1076, p. 419–425. doi: 10.1016/j.molstruc.2014.07.077.
  • Jankowski, Mikolaj; Olsen, Raymond; Nielsen, Claus Jørgen; Thomassen, Yngvar & Molander, Pål (2014). The applicability of proton transfer reaction-mass spectrometry (PTR-MS) for determination of isocyanic acid (ICA) in work room atmospheres. Environmental Science: Processes & Impacts. ISSN 2050-7887. 16(10), p. 2423–2431. doi: 10.1039/c4em00363b.
  • Maguta, Mihayo Musabila; Aursnes, Marius; Bunkan, Arne Joakim Coldevin; Edelen, Katie; Mikoviny, Tomas & Nielsen, Claus Jørgen [Show all 8 contributors for this article] (2014). Atmospheric fate of nitramines: An experimental and theoretical study of the OH reactions with CH&lt;sub&gt;3&lt;/sub&gt;NHNO&lt;sub&gt;2&lt;/sub&gt; and (CH&lt;sub&gt;3&lt;/sub&gt;) &lt;sub&gt;2&lt;/sub&gt;NNO&lt;sub&gt;2&lt;/sub&gt;. Journal of Physical Chemistry A. ISSN 1089-5639. 118(19), p. 3450–3462. doi: 10.1021/jp500305w.
  • Klæboe, Peter; Nielsen, Claus Jørgen; Horn, Anne; Guirgis, Gamil A.; Overby, Jason S. & Aleksa, Valdemaras (2013). Raman and infrared spectra, quantum chemical calculations, conformational and spectral assignments of 1-chloro-1-methyl-1-silacyclohexane. Journal of Molecular Structure. ISSN 0022-2860. 1047, p. 282–291. doi: 10.1016/j.molstruc.2013.05.003.
  • Zhu, Liang; Schade, Gunnar Wolfgang & Nielsen, Claus Jørgen (2013). Real-time monitoring of emissions from monoethanolamine-based industrial scale carbon capture facilities. Environmental Science and Technology. ISSN 0013-936X. 47(24), p. 14306–14314. doi: 10.1021/es4035045.
  • de Koeijer, Gelein; Talstad, Vibeke Randgaard; Nepstad, Sissel; Tønnesen, Dag Arild; Falk-Pedersen, Olav & Maree, Yolandi [Show all 7 contributors for this article] (2013). Health risk analysis for emissions to air from CO2 Technology Centre Mongstad. International Journal of Greenhouse Gas Control. ISSN 1750-5836. 18, p. 200–207. doi: 10.1016/j.ijggc.2013.07.010.
  • Onel, L.; Thonger, L.; Blitz, M.A.; Seakins, P.W.; Bunkan, Arne Joakim Coldevin & Solimannejad, Mohammad (2013). Gas-Phase Reactions of OH with Methyl Amines in the Presence or Absence of Molecular Oxygen. An Experimental and Theoretical Study. Journal of Physical Chemistry A. ISSN 1089-5639. 117(41), p. 10736–10745. doi: 10.1021/jp406522z.
  • Hodnebrog, Øivind; Etminan, Maryam; Fuglestvedt, Jan S.; Marston, George; Myhre, Gunnar & Nielsen, Claus Jørgen [Show all 8 contributors for this article] (2013). Global warming potentials and radiative efficiencies of halocarbons and related compounds: A comprehensive review. Reviews of Geophysics. ISSN 8755-1209. 51(2), p. 300–378. doi: 10.1002/rog.20013.
  • Bunkan, Arne Joakim Coldevin; Liang, Chi-Hsiu; Pilling, Michael J. & Nielsen, Claus Jørgen (2013). Theoretical and experimental study of the OH radical reaction with HCN. Molecular Physics. ISSN 0026-8976. 111(9-11), p. 1589–1598. doi: 10.1080/00268976.2013.802036.
  • Klæboe, Peter; Nielsen, Claus Jørgen; Horn, Anne; Guirgis, Gamil A.; Overby, Jason S. & Aleksa, Valdemaras (2013). Raman and infrared spectra, quantum chemical calculations, conformations and spectral assignments of 1-chloro-1-methyl-1-silacyclohexane. Journal of Molecular Structure. ISSN 0022-2860. 1047, p. 282–291. doi: 10.1016/j.molstruc.2013.05.003.
  • Tang, Yizhen & Nielsen, Claus Jørgen (2013). Theoretical Study on the Formation and Photolysis of Nitrosamines (CH3CH2NHNO and (CH3CH2)(2)NNO) under Atmospheric Conditions. Journal of Physical Chemistry A. ISSN 1089-5639. 117(1), p. 126–132. doi: 10.1021/jp307812m.
  • Klæboe, Peter; Horn, Anne; Nielsen, Claus Jørgen; Aleksa, Valdemaras; Guirgis, Gamil A. & Wyatt, Justin K. [Show all 7 contributors for this article] (2013). Infrared and Raman spectra, conformations, quantum chemical calculations and spectral assignments of 1-methyl-1-silacyclohexane. Journal of Molecular Structure. ISSN 0022-2860. 1034, p. 207–215. doi: 10.1016/j.molstruc.2012.10.045.
  • Tang, Yizhen; Hanrath, Michael & Nielsen, Claus Jørgen (2012). Do primary nitrosamines form and exist in the gas phase? A computational study of CH3NHNO and (CH3)(2)NNO. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 14(47), p. 16365–16370. doi: 10.1039/c2cp42219k.
  • Klæboe, Peter; Aleksa, Valdemaras; Nielsen, Claus Jørgen; Horn, Anne; Guirgis, Gamil A. & Johnston, Merrick H. (2012). Infrared and Raman spectra, conformations, ab initio calculations and spectral assignments of 1-fluoro-1-silacyclohexane. Journal of Molecular Structure. ISSN 0022-2860. 1015, p. 120–128. doi: 10.1016/j.molstruc.2012.02.016.
  • Guirgis, Gamil A.; Nielsen, Claus Jørgen; Horn, Anne; Aleksa, Valdemaras & Klæboe, Peter (2012). Infrared and Raman spectra, DFT-calculations and spectral assignments of silacyclohexane. Journal of Molecular Structure. ISSN 0022-2860. 1023, p. 189–196. doi: 10.1016/j.molstruc.2012.04.086.
  • Rozenberg, Mark; Loewenschuss, Aharon & Nielsen, Claus Jørgen (2012). H-Bonded Clusters in the Trimethylamine/Water System: A Matrix Isolation and Computational Study. Journal of Physical Chemistry A. ISSN 1089-5639. 116(16), p. 4089–4096. doi: 10.1021/jp3020035.
  • Nielsen, Claus Jørgen; Herrmann, Hartmut & Weller, Christian (2012). Atmospheric chemistry and environmental impact of the use of amines in carbon capture and storage (CCS). Chemical Society Reviews. ISSN 0306-0012. 41(19), p. 6684–6704. doi: 10.1039/c2cs35059a.
  • Aleksa, Valdemaras; Guirgis, Gamil A.; Horn, Anne; Klæboe, Peter; Liberatore, Richard J. & Nielsen, Claus Jørgen (2012). Vibrational spectra, conformations, quantum chemical calculations and spectral assignments of 1-chloro-1-silacyclohexane. Vibrational Spectroscopy. ISSN 0924-2031. 61, p. 167–175. doi: 10.1016/j.vibspec.2012.02.021.
  • Tang, Yizhen & Nielsen, Claus Jørgen (2012). A systematic theoretical study of imines formation from the atmospheric reactions of RnNH2-n with O-2 and NO2 (R = CH3 and CH3CH2; n=1 and 2). Atmospheric Environment. ISSN 1352-2310. 55, p. 185–189. doi: 10.1016/j.atmosenv.2012.02.094.
  • Nielsen, Claus Jørgen; D'Anna, Barbara; Dye, Christian Jarle; Graus, Martin; Karl, Matthias & King, Stephanie [Show all 12 contributors for this article] (2011). Atmospheric chemistry of 2-aminoethanol (MEA). Energy Procedia. ISSN 1876-6102. 4, p. 2245–2252. doi: 10.1016/j.egypro.2011.02.113.
  • Salo, Kent; Westerlund, Jonathan; Andersson, Patrik Urban; Nielsen, Claus Jørgen; D'Anna, Barbara & Hallquist, Mattias (2011). Thermal Characterization of Aminium Nitrate Nanoparticles. Journal of Physical Chemistry A. ISSN 1089-5639. 115(42), p. 11671–11677. doi: 10.1021/jp204957k.
  • Rozenberg, Mark; Loewenschuss, Aharon & Nielsen, Claus Jørgen (2011). Complexes of Molecular and Ionic Character in the Same Matrix Layer: Infrared Studies of the Sulfuric Acid/Ammonia System. Journal of Physical Chemistry A. ISSN 1089-5639. 115(23), p. 5759–5766. doi: 10.1021/jp107369r.
  • Klæboe, Peter; Horn, Anne; Nielsen, Claus Jørgen & Guirgis, Gamil A. (2011). The infrared and Raman spectra, ab initio calculations and spectral assignments of cyclopropylmethyl dichlorosilane (c-C3H5)SiCl2CH3. Vibrational Spectroscopy. ISSN 0924-2031. 56(2), p. 136–145. doi: 10.1016/j,vibspec.2011.01.006.
  • Morozov, I.; Nielsen, Claus Jørgen; Morozova, O.; Vasiliev, E. & Loukhovitskaya, E.E. (2010). Reactions of chloroethenes with atomic chlorine in air at atmospheric pressure. Russian chemical bulletin. ISSN 1066-5285. 59(4), p. 754–760. doi: 10.1007/s11172-010-0158-4.
  • Ryan, Susan M & Nielsen, Claus Jørgen (2010). Global Warming Potential of Inhaled Anesthetics: Application to Clinical Use. Anesthesia and Analgesia. ISSN 0003-2999. 111(1), p. 92–98. doi: 10.1213/ANE.0b013e3181e058d7.
  • Rozenberg, M; Loewenschuss, Aharon & Nielsen, Claus Jørgen (2010). Spectral shifts of matrix isolated species as criteria for acid-base interactions with solid Xe. Physical Chemistry, Chemical Physics - PCCP. ISSN 1463-9076. 12(16), p. 4024–4031. doi: 10.1039/b922952c.
  • Usseglio, Sandro; Thorshaug, Knut; Karlsson, Arne; Dahl, Ivar M.; Nielsen, Claus Jørgen & Jens, Klaus-Joachim [Show all 7 contributors for this article] (2010). In Situ Infrared Emission Spectroscopy for Quantitative Gas-Phase Measurement Under High Temperature Reaction Conditions: An Analytical Method for Methane by Means of an Innovative Small-Volume Flowing Cell. Applied Spectroscopy. ISSN 0003-7028. 64(2), p. 141–148.
  • Klæboe, Peter; Nielsen, Claus Jørgen; Horn, Anne; Guirgis, Gamil A. & Witkowski, Witold (2010). Vibrational spectra, conformational equilibrium, ab initio calculations and spectral assignments of ethylmethylgermane. Vibrational Spectroscopy. ISSN 0924-2031. 54(1), p. 56–64. doi: 10.1016/j.vibspec.2010.06.005.
  • Klæboe, Peter; Nielsen, Claus Jørgen; Horn, Anne; Guirgis, Gamil A. & Wurrey, C. J. (2010). Infrared and Raman spectra, conformations, ab initio calculations and spectral assignments of ethylmethyldichlorogermane. Journal of Molecular Structure. ISSN 0022-2860. 976(1-3), p. 105–114. doi: 10.1016/j.molstruc.2010.02.030.
  • Durig, James R.; Panikar, Savita S.; Guirgis, Gamil A.; Gounev, Todor K.; Klæboe, Peter & Horn, Anne [Show all 10 contributors for this article] (2010). Conformational stability, r(0) structural parameters, barriers to internal rotation, vibrational assignments and ab initio calculations of c-C3H5GeH2CH3. Journal of Molecular Structure. ISSN 0022-2860. 969(1-3), p. 55–68. doi: 10.1016/j.molstruc.2010.01.042.
  • Nilsson, EJK; Johnson, MS & Nielsen, Claus Jørgen (2009). Isotope Effects in the Reactions of Chloroform Isotopologues with Cl, OH, and OD. Journal of Physical Chemistry A. ISSN 1089-5639. 113(9), p. 1731–1739. doi: 10.1021/jp807233x.
  • Nilsson, EJK; Bache-Andreassen, Lihn; Johnson, MS & Nielsen, Claus Jørgen (2009). Relative Tropospheric Photolysis Rates of Acetaldehyde and Formaldehyde Isotopologues Measured at the European Photoreactor Facility. Journal of Physical Chemistry A. ISSN 1089-5639. 113(15), p. 3498–3504. doi: 10.1021/jp811113c.
  • Klæboe, Peter; Nielsen, Claus Jørgen; Horn, Anne; Guirgis, Gamil A. & Kilway, K. V. (2009). Vibrational spectroscopic studies, conformations and ab initio calculations of 1,2-bis(trifluorosilyl)ethane (CF3CH2CH2CF3). Journal of Raman Spectroscopy. ISSN 0377-0486. 40(12), p. 2111–2122. doi: 10.1002/jrs.2380.
  • Sobron, Pablo; Sobron, F; Eide, Ulrich; Nielsen, Claus Jørgen & Rull, F (2009). Model-Based Measurements of Diffusion of Sulfuric Acid into Water Using Raman Spectroscopy. Applied Spectroscopy. ISSN 0003-7028. 63(12), p. 1382–1388.
  • Feilberg, KL; Gruber-Stadler, Margret; Johnson, MS; Muhlhauser, M & Nielsen, Claus Jørgen (2008). 13C, O-18, and D Fractionation Effects in the Reactions of CH3OH Isotopologues with Cl and OH Radicals. Journal of Physical Chemistry A. ISSN 1089-5639. 112(44), p. 11099–11114. doi: 10.1021/jp805643x.
  • Gruber-Stadler, Margret; Muhlhauser, M; Sellevag, SR & Nielsen, Claus Jørgen (2008). A quantum chemistry study of the Cl atom reaction with formaldehyde. Journal of Physical Chemistry A. ISSN 1089-5639. 112. doi: 10.1021/jp053833.
  • Nielsen, Claus Jørgen; Horn, Anne; Klæboe, Peter & Guirgis, GA (2008). Vibrational spectra, ab initio calculations and vibrational assignments of 3-butyn-1-ol. Journal of Molecular Structure. ISSN 0022-2860. 886, p. 90–102. doi: 10.1016/j.molstruc.2007.11.002.
  • Horn, Anne; Klæboe, Peter; Nielsen, Claus Jørgen & Guirgis, GA (2008). Vibrational spectra, conformations, ab initio calculations and vibrational assignments of 3-pentyn-2-ol. Journal of Molecular Structure. ISSN 0022-2860. 879, p. 102–112. doi: 10.1016/j.molstruc.2007.08.017.
  • Marinkovic, M; Gruber-Stadler, Margret; Nicovich, JM; Soller, R; Mulhauser, M & Wine, PH [Show all 8 contributors for this article] (2008). Experimental and Theoretical Study of the Carbon-13 and Deuterium Kinetic Isotope Effects in the Cl and OH Reactions of CH3F. Journal of Physical Chemistry A. ISSN 1089-5639. 112(48), p. 12416–12429. doi: 10.1021/jp807609d.
  • Solimannejad, Mohammad; Nielsen, Claus Jørgen & Scheiner, S (2008). Complexes pairing aliphatic amines with hydroxyl and hydroperoxyl radicals: A computational study. Chemical Physics Letters. ISSN 0009-2614. 466(4-6), p. 136–140. doi: 10.1016/j.cplett.2008.10.060.
  • Givan, A; Loewenschuss, A; Nielsen, Claus Jørgen & Rozenberg, M (2007). FTIR and computational studies of pure and water containing SO3 species in solid argon matrices. Journal of Molecular Structure. ISSN 0022-2860. 830. doi: 10.1016/j.molstruc.2006.06.027.
  • Horn, Anne; Klæboe, Peter; Nielsen, Claus Jørgen; Mazzone, PM; Pasko, DN & Guirgis, GA (2007). Raman spectra, ab initio calculations, phase transitions and conformations of 1,3-disilabutane. Phase Transitions. ISSN 0141-1594. 80. doi: 10.1080/01411590701339435.
  • Kovacs, A; Izvekov, V; Keresztury, G; Nielsen, Claus Jørgen & Klæboe, Peter (2007). Vibrational spectroscopic study of 2-fluorophenol and 2,3,5,6-tetrafluorohydroquinone. Chemical Physics. ISSN 0301-0104. 335, p. 205–214. doi: 10.1016/j.chemphys.2007.04.018.
  • Guirgis, GA; Mazzone, PM; Pasko, DN; Klæboe, Peter; Horn, Anne & Nielsen, Claus Jørgen (2007). Infrared and Raman spectra, conformations, ab initio calculations and spectral assignments of 1,3-disilabutane (SiH3CH2SiH2CH3). Journal of Raman Spectroscopy. ISSN 0377-0486. 38. doi: 10.1002/jrs.1745.
  • Sobron, P; Rull, F; Sobron, F; Sanz, A; Medina, J & Nielsen, Claus Jørgen (2007). Modeling the physico-chemistry of acid sulfate waters through Raman spectroscopy of the system FeSO4-H2SO4-H2O. Journal of Raman Spectroscopy. ISSN 0377-0486. 38. doi: 10.1002/jrs.1729.
  • Feilberg, KL; Johnson, MS; Bacak, A; Rockmann, T & Nielsen, Claus Jørgen (2007). Relative tropospheric photolysis rates of HCHO and HCDO measured at the European photoreactor facility. Journal of Physical Chemistry A. ISSN 1089-5639. 111. doi: 10.1021/jp070185x.
  • Gratien, A; Nilsson, E; Doussin, JF; Johnson, MS; Nielsen, Claus Jørgen & Stenstrom, Y [Show all 7 contributors for this article] (2007). UV and IR absorption cross-sections of HCHO, HCDO, and DCDO. Journal of Physical Chemistry A. ISSN 1089-5639. 111, p. 11506–11513. doi: 10.1021/jp074288r.
  • Mugnai, Martina; Cardini, Gianni; Schettino, Vincenzo & Nielsen, Claus Jørgen (2007). Ab initio molecular dynamics study of formaldehyde and methylene glycol solvation shells. Molecular Physics. ISSN 0026-8976. 105, p. 2203–2210.
  • Zakharov, N. V.; Johnson, M. S.; Nicolaisen, F. M.; Nielsen, Claus Jørgen; Tsyganenko, A. A. & Woldbaek, T (2007). Infrared absorption cross-sections of 1,1-dichloro-, cis- and trans-1,2-dichloro-, trichloro- and tetrachloroethene. Asian Chemistry Letters. ISSN 0971-9822. 11, p. 5–9.
  • Gruber-Stadler, Margret; Mühlhäuser, Max; Nielsen, Claus Jørgen; Schnell, N & Peyerimhoff, S. D. (2007). Ab initio MRD-CI investigation of the electronic spectrum of dibromomethanol, Br2CHOH. Asian Chemistry Letters. ISSN 0971-9822. 11, p. 25–32.
  • Morozov, I.; Oyaro, Nathan; Morozova, O.; Vasiliev, E. & Nielsen, Claus Jørgen (2007). A study of the reactions of chloroethenes with Cl in air at atmospheric pressure. Asian Chemistry Letters. ISSN 0971-9822. 11, p. 145–151.
  • Horn, Anne; Klæboe, Peter; Nielsen, Claus Jørgen; Spichtig, S. & Guirgis, Gamil A. (2007). Vibrational spectroscopic studies, conformations and ab initio calculations of allyltrichlorogermane. Asian Chemistry Letters. ISSN 0971-9822. 11, p. 41–56.

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  • Flatval, Jonas; Berg, Henriette Engen; Lillerud, Karl Petter; Olsbye, Unni; Nielsen, Claus Jørgen & Wilson, Steven Ray Haakon [Show all 7 contributors for this article] (2020). Retention of nitramines on UiO-66 ZrMOF materials and silica-based reversed phase materials .
  • Vogt, Rolf David; Zhu, Liang & Nielsen, Claus Jørgen (2018). Air pollution in big cities: New challenges from Carbon Capture.
  • Skytte Af Sätra, Jenny Marie; Nielsen, Claus Jørgen; Van Bavel, Albert; Lundanes, Elsa & Wilson, Steven Ray Haakon (2018). Developing procedures for trace analysis of small amines in water, using LC-MS and GC-MS.
  • Hodnebrog, Øivind; Etminan, Maryam; Fuglestvedt, Jan S.; Marston, George; Myhre, Gunnar & Nielsen, Claus Jørgen [Show all 8 contributors for this article] (2014). Global Warming Potentials and Radiative Efficiencies of halocarbons and related compounds: A comprehensive review.
  • Bunkan, Arne Joakim Coldevin & Nielsen, Claus Jørgen (2014). Can you Trust Quantum Chemical Methods to Predict the Atmospheric Chemistry of Amines and Related Compounds?
  • Bunkan, Arne Joakim Coldevin; Hetzler, Jens; Nielsen, Claus Jørgen & Olzmann, Matthias (2014). Experimental and theoretical study of the reactions of OH radicals with N-methylformamide and N,N-dimethylformamide.
  • Bunkan, Arne Joakim Coldevin & Nielsen, Claus Jørgen (2014). What is so special about the atmospheric chemistry of amines, imines and amides?
  • Bunkan, Arne Joakim Coldevin; Hetzler, Jens; Nielsen, Claus Jørgen & Matthias, Olzmann (2014). Kinetics of the reactions of OH radicals with N-methylformamide and N,N-dimethylformamide.
  • Nielsen, Claus Jørgen (2022). GWP and ODP for five new human-made chemicals detected in Arctic air. Miljødirektoratet.
  • Tan, Wen; Wisthaler, Armin & Nielsen, Claus Jørgen (2022). The Atmospheric Fate of Selected Amines Emitted from Carbon Capture Facilities. Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Oslo. ISSN 1501-7710. 2022(2529).
  • Flatval, Jonas; Lundanes, Elsa; Wilson, Steven Ray Haakon; Olsbye, Unni; Nielsen, Claus Jørgen & Berg, Henriette Engen (2020). Retention of nitramines on silica-based reversed phase materials and UiO-66 MOF materials. Universitetet i Oslo.
  • Bunkan, Arne Joakim Coldevin; Nielsen, Claus Jørgen; Uggerud, Einar & Helgaker, Trygve (2015). A theoretical and experimental study of atmospheric reactions of amines and their degradation products. Universitetet i Oslo.
  • Foseid, Lena; Vogt, Rolf David; Nielsen, Claus Jørgen; Lundanes, Elsa & Gundersen, Cathrine Brecke (2015). Determination of MEA-nitramine in Soil Water and Assessing the Sorption Potential of MEAnitramine to Soil. Universitetet i Oslo.
  • Maguta, Mihayo Musabila; Nielsen, Claus Jørgen; Myhre, Cathrine Lund & Stenstrøm, Yngve (2014). Environmental Impact of Amines emitted to the Atmosphere. Universitetet i Oslo.
  • Mohr, Christian Wilhelm; Vogt, Rolf David; Nielsen, Claus Jørgen & Hessen, Dag Olav (2012). Preliminary assessment of the Fate of Nitramines in soil and freshwater - Executive Summary Report. Technology Centre Mongstad.
  • Bråten, Hanne Birgitte; Bunkan, Arne Joakim; Bache-Andreassen, Lihn; Sollimannejad, Mohammad & Nielsen, Claus Jørgen (2009). Final report on a theoretical study on the atmospheric degradation of selected amines. NILU. ISSN 978-82-425-2046-3.
  • Gruber-Stadler, Margret; Nielsen, Claus Jørgen; Helgaker, Trygve & Mühlhäuser, Max (2008). Quantum chemistry studies of elementary atmospheric key reactions. Universitetet i Oslo.

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Published Nov. 11, 2010 9:00 AM - Last modified Oct. 25, 2021 4:52 PM