Claus Jørgen Nielsen

Professor emeritus

Faglige interresser

  • Atmosfærisk foto-oksidasjon
  • Optiske egenskaper til klimagasser og aerosoler
Emneord: Spektroskopi, Klima og miljø, Fysikalsk kjemi, Atmosfærekjemi, Miljøkjemi

Publikasjoner

  • Tan, Wen; Zhu, Liang; Mikoviny, Tomas; Nielsen, Claus Jørgen; Tang, Yizhen & Wisthaler, Armin [Vis alle 15 forfattere av denne artikkelen] (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), s. 7502–7519. doi: 10.1021/acs.jpca.1c04898.
  • Tan, Wen; Zhu, Liang; Mikoviny, Tomas; Nielsen, Claus Jørgen; Wisthaler, Armin & D´Anna, Barbara [Vis alle 14 forfattere av denne artikkelen] (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. Fulltekst i vitenarkiv
  • Hodnebrog, Øivind; Aamaas, Borgar; Fuglestvedt, Jan S.; Marston, G.; Myhre, Gunnar & Nielsen, Claus Jørgen [Vis alle 9 forfattere av denne artikkelen] (2020). Updated global warming potentials and radiative efficiencies of halocarbons and other weak atmospheric absorbers. Reviews of Geophysics. ISSN 8755-1209. 58:e2019RG000691(3), s. 1–30. doi: 10.1029/2019RG000691. Fulltekst i vitenarkiv
  • 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, s. 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. s. 1–8. doi: 10.1080/00268976.2020.1718227. Fulltekst i vitenarkiv
  • 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), s. 6562–6571. doi: 10.1021/acs.jpca.0c05127. Fulltekst i vitenarkiv
  • 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, s. 528–541. doi: 10.1016/j.molstruc.2019.05.108.
  • Tan, Wen; Zhu, Liang; Mikoviny, Tomas; Nielsen, Claus Jørgen; Wisthaler, Armin & Eichler, Philipp [Vis alle 14 forfattere av denne artikkelen] (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), s. 4470–4480. doi: 10.1021/acs.jpca.8b01862.
  • Antonsen, Simen Gjelseth; Bunkan, Arne Joakim Coldevin; D'Anna, Barbara; Eichler, Philipp; Farren, Naomi J. & Hallquist, Mattias [Vis alle 14 forfattere av denne artikkelen] (2017). Atmospheric Chemistry of tert-butylamine and AMP. Energy Procedia. ISSN 1876-6102. 114, s. 1026–1032. doi: 10.1016/j.egypro.2017.03.1248. Fulltekst i vitenarkiv
  • 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, s. 1022–1025. doi: 10.1016/j.egypro.2017.03.1247. Fulltekst i vitenarkiv
  • Mikoviny, Tomas; Nielsen, Claus Jørgen; Tan, Wen; Wisthaler, Armin; Zhu, Liang & Morken, Anne Kolstad [Vis alle 7 forfattere av denne artikkelen] (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, s. 1017–1021. doi: 10.1016/j.egypro.2017.03.1246. Fulltekst i vitenarkiv
  • 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), s. 1321–1329. doi: 10.1021/acs.est.6b03758.
  • 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), s. 3450–3455. doi: 10.1021/acs.jpca.6b00635.
  • 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), s. 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), s. 1222–1230. doi: 10.1021/acs.jpca.6b00032.
  • Wallington, Timothy J.; Pivesso, Bruno Pasquini; Lira, Alane Moura; Anderson, James E.; Nielsen, Claus Jørgen & Andersen, Niels Højmark [Vis alle 7 forfattere av denne artikkelen] (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, s. 56–64. doi: 10.1016/j.jqsrt.2016.01.029.
  • Jacquinet-Husson, Nicole; Armante, Raymond; Scott, Noëlle A.; Chédin, Alain; Crépeau, Laurent & Boutammine, Chérif [Vis alle 57 forfattere av denne artikkelen] (2016). The 2015 edition of the GEISA spectroscopic database. Journal of Molecular Spectroscopy. ISSN 0022-2852. 327, s. 31–72. doi: 10.1016/j.jms.2016.06.007.
  • 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, s. 399–406. doi: 10.1016/j.molstruc.2015.05.065.
  • 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), s. 2562–2567. doi: 10.1021/jp509050d.
  • 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), s. 8497–8502. doi: 10.1021/acs.jpca.5b05214.
  • 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), s. 2271–2280. doi: 10.1021/jp505965z.
  • Guirgis, Gamil A.; Dukes, Horace W.; Wyatt, Justin K.; Nielsen, Claus Jørgen; Horn, Anne & Aleksa, Valdemaras [Vis alle 7 forfattere av denne artikkelen] (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, s. 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), s. 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), s. 7046–7059. doi: 10.1039/C4CP05805D. Fulltekst i vitenarkiv
  • 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), s. 2423–2431. doi: 10.1039/c4em00363b.
  • 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, s. 419–425. doi: 10.1016/j.molstruc.2014.07.077.
  • 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), s. 5279–5288. doi: 10.1021/jp5049088.
  • 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), s. 1004–1011. doi: 10.1021/jp410922x.
  • Maguta, Mihayo Musabila; Aursnes, Marius; Bunkan, Arne Joakim Coldevin; Edelen, Katie; Mikoviny, Tomas & Nielsen, Claus Jørgen [Vis alle 8 forfattere av denne artikkelen] (2014). Atmospheric fate of nitramines: An experimental and theoretical study of the OH reactions with CH<sub>3</sub>NHNO<sub>2</sub> and (CH<sub>3</sub>) <sub>2</sub>NNO<sub>2</sub>. Journal of Physical Chemistry A. ISSN 1089-5639. 118(19), s. 3450–3462. doi: 10.1021/jp500305w.
  • de Koeijer, Gelein; Talstad, Vibeke Randgaard; Nepstad, Sissel; Tønnesen, Dag Arild; Falk-Pedersen, Olav & Maree, Yolandi [Vis alle 7 forfattere av denne artikkelen] (2013). Health risk analysis for emissions to air from CO2 Technology Centre Mongstad. International Journal of Greenhouse Gas Control. ISSN 1750-5836. 18, s. 200–207. doi: 10.1016/j.ijggc.2013.07.010.
  • 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), s. 14306–14314. doi: 10.1021/es4035045.
  • 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, s. 282–291. doi: 10.1016/j.molstruc.2013.05.003.
  • 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), s. 10736–10745. doi: 10.1021/jp406522z.
  • 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), s. 1589–1598. doi: 10.1080/00268976.2013.802036.
  • Hodnebrog, Øivind; Etminan, Maryam; Fuglestvedt, Jan S.; Marston, George; Myhre, Gunnar & Nielsen, Claus Jørgen [Vis alle 8 forfattere av denne artikkelen] (2013). Global warming potentials and radiative efficiencies of halocarbons and related compounds: A comprehensive review. Reviews of Geophysics. ISSN 8755-1209. 51(2), s. 300–378. doi: 10.1002/rog.20013.
  • 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), s. 126–132. doi: 10.1021/jp307812m.
  • Klæboe, Peter; Horn, Anne; Nielsen, Claus Jørgen; Aleksa, Valdemaras; Guirgis, Gamil A. & Wyatt, Justin K. [Vis alle 7 forfattere av denne artikkelen] (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, s. 207–215. doi: 10.1016/j.molstruc.2012.10.045.
  • 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, s. 282–291. doi: 10.1016/j.molstruc.2013.05.003.
  • 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), s. 6684–6704. doi: 10.1039/c2cs35059a.
  • 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, s. 185–189. doi: 10.1016/j.atmosenv.2012.02.094.
  • 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, s. 120–128. doi: 10.1016/j.molstruc.2012.02.016.
  • 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, s. 167–175. doi: 10.1016/j.vibspec.2012.02.021.
  • 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, s. 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), s. 4089–4096. doi: 10.1021/jp3020035.
  • 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), s. 16365–16370. doi: 10.1039/c2cp42219k.
  • 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), s. 136–145. doi: 10.1016/j%2Cvibspec.2011.01.006.
  • 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), s. 5759–5766. doi: 10.1021/jp107369r.
  • 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), s. 11671–11677. doi: 10.1021/jp204957k.
  • Nielsen, Claus Jørgen; D'Anna, Barbara; Dye, Christian Jarle; Graus, Martin; Karl, Matthias & King, Stephanie [Vis alle 12 forfattere av denne artikkelen] (2011). Atmospheric chemistry of 2-aminoethanol (MEA). Energy Procedia. ISSN 1876-6102. 4, s. 2245–2252. doi: 10.1016/j.egypro.2011.02.113.
  • Usseglio, Sandro; Thorshaug, Knut; Karlsson, Arne; Dahl, Ivar M.; Nielsen, Claus Jørgen & Jens, Klaus-Joachim [Vis alle 7 forfattere av denne artikkelen] (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), s. 141–148.
  • 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), s. 4024–4031. doi: 10.1039/b922952c.
  • 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), s. 92–98. doi: 10.1213/ANE.0b013e3181e058d7.
  • 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), s. 105–114. doi: 10.1016/j.molstruc.2010.02.030.
  • 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), s. 56–64. doi: 10.1016/j.vibspec.2010.06.005.
  • Durig, James R.; Panikar, Savita S.; Guirgis, Gamil A.; Gounev, Todor K.; Klæboe, Peter & Horn, Anne [Vis alle 10 forfattere av denne artikkelen] (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), s. 55–68. doi: 10.1016/j.molstruc.2010.01.042.
  • 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), s. 754–760. doi: 10.1007/s11172-010-0158-4.
  • 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), s. 1382–1388.
  • 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), s. 1731–1739. doi: 10.1021/jp807233x.
  • 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), s. 2111–2122. doi: 10.1002/jrs.2380.
  • 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), s. 3498–3504. doi: 10.1021/jp811113c.
  • 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, s. 102–112. doi: 10.1016/j.molstruc.2007.08.017.
  • 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, s. 90–102. doi: 10.1016/j.molstruc.2007.11.002.
  • 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.
  • Marinkovic, M; Gruber-Stadler, Margret; Nicovich, JM; Soller, R; Mulhauser, M & Wine, PH [Vis alle 8 forfattere av denne artikkelen] (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), s. 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), s. 136–140. doi: 10.1016/j.cplett.2008.10.060.
  • 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), s. 11099–11114. doi: 10.1021/jp805643x.
  • 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, s. 2203–2210.
  • 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, s. 25–32.
  • 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, s. 5–9.
  • Sellevåg, Stig Rune; D'Anna, Barbara & Nielsen, Claus Jørgen (2007). Infrared Absorption Cross-Sections and Estimated Global Warming Potentials of CF3CH2CH2OH, CHF2CF2CH2OH, CF3CF2CH2OH, CF3CHFCF2CH2OH, and CF3CF2CF2CH2OH. Asian Chemistry Letters. ISSN 0971-9822. 11, s. 33–40.
  • 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, s. 41–56.
  • 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, s. 145–151.
  • Guirgis, Gamil A.; Mazzone, P. M.; Pasko, D. N.; Klæboe, Peter; Horn, Anne & Nielsen, Claus Jørgen (2007). Infrared and Raman spectra, ab initio calculations, conformations and spectral assignments of 1,3-disilabutane. Journal of Raman Spectroscopy. ISSN 0377-0486. 38, s. 1159–1173.
  • 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, s. 205–214. doi: 10.1016/j.chemphys.2007.04.018.
  • Mugnai, M; Cardini, G; Schettino, V & Nielsen, Claus Jørgen (2007). Ab initio molecular dynamics study of aqueous formaldehyde and methanediol. Molecular Physics. ISSN 0026-8976. 105, s. 2203–2210. doi: 10.1080/00268970701513864.
  • 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.
  • Sobron, P.; Rull, F.; Sobron, F.; Sanz, A.; Medina, J.L. & Nielsen, Claus Jørgen (2007). Raman spectroscopy of the system iron(III)-sulfuric acid-water: an approach to Tinto River's (Spain) hydrogeochemistry. Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy. ISSN 1386-1425. 68(4), s. 1138–1142. doi: 10.1016/j.saa.2007.06.044.
  • Gratien, A; Nilsson, E; Doussin, JF; Johnson, MS; Nielsen, Claus Jørgen & Stenstrom, Y [Vis alle 7 forfattere av denne artikkelen] (2007). UV and IR absorption cross-sections of HCHO, HCDO, and DCDO. Journal of Physical Chemistry A. ISSN 1089-5639. 111, s. 11506–11513. doi: 10.1021/jp074288r.
  • 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.
  • 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.
  • 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.

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  • Flatval, Jonas; Berg, Henriette Engen; Lillerud, Karl Petter; Olsbye, Unni; Nielsen, Claus Jørgen & Wilson, Steven Ray Haakon [Vis alle 7 forfattere av denne artikkelen] (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.
  • 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.
  • 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 & Nielsen, Claus Jørgen (2014). Can you Trust Quantum Chemical Methods to Predict the Atmospheric Chemistry of Amines and Related Compounds?
  • Hodnebrog, Øivind; Etminan, Maryam; Fuglestvedt, Jan S.; Marston, George; Myhre, Gunnar & Nielsen, Claus Jørgen [Vis alle 8 forfattere av denne artikkelen] (2014). Global Warming Potentials and Radiative Efficiencies of halocarbons and related compounds: A comprehensive review.
  • 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.
  • Gratien, Aline; Picquet-Varrault, Bénédicte; Doussin, Jean-François; Johnson, M. S.; Nielsen, Claus Jørgen & Orphal, Johannes [Vis alle 7 forfattere av denne artikkelen] (2007). WHAT ABOUT THE CONSISTENCY OF ABSORPTION COEFFICIENTS USED WITH DIFFERENT REMOTE SENSING INSTRUMENTS ?
  • Gratien, Aline; Picquet-Varrault, Bénédicte; Doussin, Jean-François; Orphal, Johannes; Flaud, Jean-Marie & Johnson, M. S. [Vis alle 7 forfattere av denne artikkelen] (2007). UV AND IR ABSORPTION CROSS-SECTIONS OF ATMOSPHERIC KEY SPECIES.
  • 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. Kjemisk Institutt, 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. DUO; University of 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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Publisert 12. juli 2010 14:40 - Sist endret 9. nov. 2021 10:18