Claus Jørgen Nielsen

Image of Claus Jørgen Nielsen
Norwegian version of this page
Phone +47-22855680
Room V 144
Username
Visiting address Sem Sælands vei 26 None 0371 OSLO
Postal address Postboks 1033 0315 OSLO
Other affiliations Department of Chemistry

Research projects:

 

  • Photochemical and photolytic degradation of atmospheric trace gases
  • Studies of particle formation on the molecular level
  • Optical properties of aerosol constituents
  • Molecular properties
Tags: Physical chemistry, Computational Chemistry, Spectroscopy, Atmospheric Chemistry

Publications

  • Antonsen, Simen Gjelseth; Bunkan, Arne Joakim Coldevin; D'Anna, Barbara; Eichler, Philipp; Farren, Naomi J.; Hallquist, Mattias; Hamilton, Jacquiline F.; Kvarnliden, Hampus; Mikoviny, Tomas; Müller, Markus; Nielsen, Claus Jørgen; Stenstrøm, Yngve H.; Tan, Wen; Wisthaler, Armin & Zhu, Liang (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
  • 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
  • Jacquinet-Husson, Nicole; Armante, Raymond; Scott, Noëlle A.; Chédin, Alain; Crépeau, Laurent; Boutammine, Chérif; Bouhdaoui, Anis; Crevoisier, Cyril; Capelle, Virginie; Boonne, Cathy; Poulet-Crovisier, Nathalie; Barbe, Alain; Benner, D. Chris; Boudon, Vincent; Brown, Linda R.; Buldyreva, Jeanna V.; Campargue, Alain; Coudert, Laurent H.; Devi, V. Malathy; Down, Michael J.; Drouin, Brian J.; Fayt, Alexis; Fittschen, Christa; Flaud, Jean-Marie; Gamache, Robert R.; Harrison, Jeremy J.; Hill, Christian; Hodnebrog, Øivind; Hu, Shui-Ming; Jacquemart, David; Jolly, Antoine; Jiménez, Elena; Lavrentieva, Nina N.; Liu, Anwen; Lodi, Lorenzo; Lyulin, Oleg M.; Massie, Steven T.; Mikhailenko, Semen N.; Müller, Holger S.P.; Naumenko, Olga V.; Nikitin, Andrey V.; Nielsen, Claus Jørgen; Orphal, Johannes; Perevalov, Valery I.; Perrin, Agnes; Polovtseva, Elena; Predoi-Cross, Adriana; Rotger, Maud; Ruth, Albert A.; Yu, Shanshan; Sung, Keeyoon; Tashkun, Sergey A.; Tennyson, Jonathan; Tyuterev, Vladimir I.G.; Auwera, Jacqueline Vander; Voronin, Boris Aleksandrovich & Maki, Arthur G. (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
  • 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 Show summary
  • 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
  • Wallington, Timothy J.; Pivesso, Bruno Pasquini; Lira, Alane Moura; Anderson, James E.; Nielsen, Claus Jørgen; Andersen, Niels Højmark & Hodnebrog, Øivind (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 Show summary
  • 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 Full text in Research Archive.
  • Guirgis, Gamil A.; Dukes, Horace W.; Wyatt, Justin K.; Nielsen, Claus Jørgen; Horn, Anne; Aleksa, Valdemaras & Klæboe, Peter (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 & Nielsen, Claus Jørgen (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
  • 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
  • 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: dx/doi.org/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
  • 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
  • Maguta, Mihayo Musabila; Aursnes, Marius; Bunkan, Arne Joakim Coldevin; Edelen, Katie; Mikoviny, Tomas; Nielsen, Claus Jørgen; Stenstrøm, Yngve; Tang, Yizhen & Wisthaler, Armin (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
  • 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
  • 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
  • de Koeijer, Gelein; Talstad, Vibeke Randgaard; Nepstad, Sissel; Tønnesen, Dag Arild; Falk-Pedersen, Olav; Maree, Yolandi & Nielsen, Claus Jørgen (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
  • Hodnebrog, Øivind; Etminan, Maryam; Fuglestvedt, Jan S.; Marston, George; Myhre, Gunnar; Nielsen, Claus Jørgen; Shine, Keith P. & Wallington, Timothy J. (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
  • Klæboe, Peter; Horn, Anne; Nielsen, Claus Jørgen; Aleksa, Valdemaras; Guirgis, Gamil A.; Wyatt, Justin K. & Dukes, Horace W. (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, conformational and spectral assignments of 1-chloro-1-methyl-1-silacyclohexane. Journal of Molecular Structure.  ISSN 0022-2860.  1047, s 282- 291 . doi: doi.org/10.1016/j.molstruc.2013.05.003
  • 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
  • Onel, L.; Thonger, L.; Blitz, M.A.; Seakins, P.W.; Bunkan, Arne Joakim Coldevin; Solimannejad, Mohammad & Nielsen, Claus Jørgen (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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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; 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,vibspec.2011.01.006
  • Nielsen, Claus Jørgen; D'Anna, Barbara; Dye, Christian Jarle; Graus, Martin; Karl, Matthias; King, Stephanie; Maguta, Mihayo Musabila; Müller, Markus; Schmidbauer, Josef Norbert; Stenstrøm, Yngve; Wisthaler, Armin & Pedersen, Steinar (2011). Atmospheric chemistry of 2-aminoethanol (MEA). Energy Procedia.  ISSN 1876-6102.  4, s 2245- 2252 . doi: 10.1016/j.egypro.2011.02.113
  • 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
  • Durig, James R.; Panikar, Savita S.; Guirgis, Gamil A.; Gounev, Todor K.; Klæboe, Peter; Horn, Anne; Nielsen, Claus Jørgen; Peebles, Rebecca A.; Peebles, Sean A. & Liberatore, Richard J. (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
  • 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
  • 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
  • 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
  • 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
  • Usseglio, Sandro; Thorshaug, Knut; Karlsson, Arne; Dahl, Ivar M.; Nielsen, Claus Jørgen; Jens, Klaus-Joachim & Tangstad, Elisabeth (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 Show summary
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Marinkovic, M; Gruber-Stadler, Margret; Nicovich, JM; Soller, R; Mulhauser, M; Wine, PH; Bache-Andreassen, Lihn & Nielsen, Claus Jørgen (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
  • 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
  • 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; 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
  • 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
  • Gratien, A; Nilsson, E; Doussin, JF; Johnson, MS; Nielsen, Claus Jørgen; Stenstrom, Y & Picquet-Varrault, B (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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Grothe, H; Myhre, Cathrine Lund & Nielsen, Claus Jørgen (2006). Low-frequency Raman spectra of nitric acid hydrates. Journal of Physical Chemistry A.  ISSN 1089-5639.  110, s 171- 176
  • Gruber-Stadler, Margret; Muhlhauser, M & Nielsen, Claus Jørgen (2006). The electronic spectrum of chloroformic acid in comparison to formic acid. Journal of Physical Chemistry A.  ISSN 1089-5639.  110, s 6157- 6163
  • Gruber-Stadler, Margret; Mühlhäuser, Max & Nielsen, Claus Jørgen (2006). Ab initio MRD-CI investigation of the electronic spectrum of glyoxal (CHO)(2). Molecular Physics.  ISSN 0026-8976.  104, s 2515- 2521
  • Guirgis, Gamil A.; Horn, Anne; Klæboe, Peter & Nielsen, Claus Jørgen (2006). Vibrational spectra, conformational equilibria, ab initio calculations and vibrational assignments of ethylmethylfluorosilane. Journal of Molecular Structure.  ISSN 0022-2860.  825, s 101- 114
  • Klæboe, Peter; Guirgis, GA; Witkowski, WA; Horn, Anne & Nielsen, Claus Jørgen (2006). Vibrational spectroscopic studies, conformations and quantum chemical calculations of 3,3,3-trifluoropropylsilane and 3,3,3-trifluoropropylsilane-d(3). Journal of Raman Spectroscopy.  ISSN 0377-0486.  37
  • Myhre, Gunnar; Stordal, Frode; Gausemel, Ingvil; Nielsen, Claus Jørgen & Mahieu, E (2006). Line-by-line calculations of thermal infrared radiation representative for global condition: CFC-12 as an example. Journal of Quantitative Spectroscopy and Radiative Transfer.  ISSN 0022-4073.  97, s 317- 331
  • Sellevåg, Stig Rune; Nyman, G & Nielsen, Claus Jørgen (2006). Study of the carbon-13 and deuterium kinetic isotope effects in the Cl and OH reactions of CH4 and CH3Cl. Journal of Physical Chemistry A.  ISSN 1089-5639.  110, s 141- 152
  • D'Anna, Barbara; Sellevåg, Stig Rune; Wirtz, Klaus & Nielsen, Claus Jørgen (2005). A Photolysis Study of Perfluoro-2-methyl-3-pentanone under Pseudo-Natural Sunlight Conditions. Environmental Science and Technology.  ISSN 0013-936X.  39(22), s 8708- 8711
  • D'Anna, Barbara; Wisthaler, A; Andreasen, O; Hansel, A; Hjorth, J; Jensen, NR; Nielsen, Claus Jørgen; Stenstrom, Y & Viidanoja, J (2005). Atmospheric chemistry of C-3-C-6 cycloalkanecarbaldehydes. Journal of Physical Chemistry A.  ISSN 1089-5639.  109, s 5104- 5118
  • Horn, Anne; Klæboe, Peter; Nielsen, Claus Jørgen; Samdal, Svein & Guirgis, Gamil A. (2005). Conformational equilibrium of Ethoxytrichlorosilane investigated by infrared and Raman spectroscopy and by ab initio calculations. Bulgarian Chemical Communications.  ISSN 0861-9808.  37(4), s 332- 343

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  • 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.
  • 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.
  • 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; 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). Can you Trust Quantum Chemical Methods to Predict the Atmospheric Chemistry of Amines and Related Compounds?.
  • Bunkan, Arne Joakim Coldevin & Nielsen, Claus Jørgen (2014). What is so special about the atmospheric chemistry of amines, imines and amides?.
  • Hodnebrog, Øivind; Etminan, Maryam; Fuglestvedt, Jan S.; Marston, George; Myhre, Gunnar; Nielsen, Claus Jørgen; Shine, Keith P. & Wallington, Timothy J. (2014). Global Warming Potentials and Radiative Efficiencies of halocarbons and related compounds: A comprehensive review.
  • Maguta, Mihayo Musabila; Nielsen, Claus Jørgen; Myhre, Cathrine Lund & Stenstrøm, Yngve (2014). Environmental Impact of Amines emitted to the Atmosphere..
  • 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.
  • 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.
  • Gruber-Stadler, Margret; Nielsen, Claus Jørgen; Helgaker, Trygve & Mühlhäuser, Max (2008). Quantum chemistry studies of elementary atmospheric key reactions.
  • Gratien, Aline; Picquet-Varrault, Bénédicte; Doussin, Jean-François; Johnson, M. S.; Nielsen, Claus Jørgen; Orphal, Johannes & Flaud, Jean-Marie (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. & Nielsen, Claus Jørgen (2007). UV AND IR ABSORPTION CROSS-SECTIONS OF ATMOSPHERIC KEY SPECIES.
  • Feilberg, Karen L.; Johnson, M. S.; Nielsen, Claus Jørgen; Bacak, Asan & Rockmann, Thomas (2006). Relative tropospheric photolysis rates of HCHO and HCDO measured at the European Photoreactor Facility.
  • Glerup, Marianne & Nielsen, Claus Jørgen (2006). Norsk senter for Raman spektroskopi - en ny eksperimentell plattform ved UiO.
  • Gratien, Aline; Dussin, Jean-Francois; Johnson, M. S.; Nielsen, Claus Jørgen & Picquet-Varrault, Bénédicte (2006). UV and IR absorption cross-sections of HCHO and DCDO.
  • Gruber-Stadler, Margret; Mühlhäuser, Max & Nielsen, Claus Jørgen (2006). The Electronic Spectrum of Chloroformic Acid in Comparison to Formic Acid.
  • Sobron, Pablo; Eide, Ulrich; Nielsen, Claus Jørgen & Sobron, F. (2006). Modeling Tinto River (Spain) hydrogeochemistry. I. Diffusion of molecular species in the system sulfuric acid - water by Raman spectroscopy.
  • Nielsen, Claus Jørgen (2005). Chemistry and Climate – or vice versa.

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Published Nov. 11, 2010 9:00 AM - Last modified Feb. 19, 2015 9:00 AM