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Tangen, Espen

Senioringeniør
Seksjon for digitale forskningstjenester

Stillingsbeskrivelse:
  • Arbeider med programvaredrift, tjenesteutvikling og rådgivning innen beregningstjenester for forskning
  • Tjenesteansvarlig for kjemiapplikasjoner



Arbeider i CRIStin


  • Hopmann, Kathrin Helen; Conradie, Jeanet; Tangen, Espen; Tonzetich, Zachary; Lippard, Stephen; Ghosh, Abhik. Singlet–triplet gaps of cobalt nitrosyls: insights from tropocoronand complexes. Inorganic Chemistry 2015; Volum 54 (15). ISSN 0020-1669.s 7362 - 7367.s doi: 10.1021/acs.inorgchem.5b00901.

  • Tangen, Espen; Conradie, Jeanet; Franz, K; Friedle, S; Telser, J; Lippard, SJ; Ghosh, Abhik. Electronic Structure of a Paramagnetic {MNO}(6) Complex: MnNO 5,5-Tropocoronand. Inorganic Chemistry 2010; Volum 49 (6). ISSN 0020-1669.s 2701 - 2705.s doi: 10.1021/ic901860x.

  • Ghosh, Abhik; Gonzalez, Emmanuel; Tangen, Espen; Roos, Bjørn. Mapping the d−d Excited-State Manifolds of Transition Metal β-Diiminato−Imido Complexes. Comparison of Density Functional Theory and CASPT2 Energetics. Journal of Physical Chemistry A 2008. ISSN 1089-5639.s 12792 - 12798.s doi: 10.1021/jp711159h.

  • Tangen, Espen; Conradie, J; Ghosh, Abhik. Bonding in low-coordinate environments: Electronic structure of pseudotetrahedral iron - Imido complexes. Journal of Chemical Theory and Computation 2007; Volum 3. ISSN 1549-9618.s doi: 10.1021/ct600318n.

  • Conradie, Jeanet; Tangen, Espen; Ghosh, Abhik. Trigonal bipyramidal iron(III) and manganese(III) oxo, sulfido, and selenido complexes. An electronic-structural overview. Journal of Inorganic Biochemistry 2006; Volum 100. ISSN 0162-0134.

  • Tangen, Espen; Conradie, Jeanet; Ghosh, Abhik. The Challenge of Being Straight: Explaining the Linearity of a Low-Spin {FeNO}7 Unit in a Tropocoronand Complex. Inorganic Chemistry 2005; Volum 44. ISSN 0020-1669.s 8699 - 8706.

  • Tangen, Espen; Conradie, Jeanet; Svadberg, Anders; Ghosh, Abhik. Understanding the unexpected linearity of the trans-{Mn(NO)(2)}(8) unit in a phthalocyanine complex: some thoughts on dinitrosylheme intermediates in biology. Journal of Inorganic Biochemistry 2005; Volum 99. ISSN 0162-0134.

  • Tangen, Espen; Ghosh, Abhik. Electronic structure of cis-Mo(P)(NO)(2), where P is a porphyrin: An organometallic perspective of metalloporphyrin-NO complexes. Journal of Inorganic Biochemistry 2005; Volum 99. ISSN 0162-0134.

  • Tangen, Espen; Svadberg, Anders; Ghosh, Abhik. Toward Modeling H-NOX Domains: A DFT Study of Heme-NO Complexes as Hydrogen Bond Acceptors. Inorganic Chemistry 2005; Volum 44. ISSN 0020-1669.s 7802 - 7805.

  • Van oort, Bart; Tangen, Espen; Ghosh, Abhik. Electronic structure of transition metal-isocorrole complexes: A first quantum chemical study. European Journal of Inorganic Chemistry 2004. ISSN 1434-1948.s 2442 - 2445.

  • Hansen, T; Ovesen, H; Svadberg, A; Svendsen, K; Tangen, Espen; Swarts, JC; Ghosh, Abhik. Unique orbital symmetry-driven cisoid tilting of the axial ligands in dialkylruthenium(IV) porphyrins. Organometallics 2004; Volum 23. ISSN 0276-7333.s 3870 - 3872.

  • Ghosh, Abhik; Tangen, Espen; Ryeng, Hege; Taylor, Peter. Electronic Structure of High-Spin Iron(IV) Complexe. European Journal of Inorganic Chemistry 2004. ISSN 1434-1948.s 2442 - 2445.

  • Tangen, Espen; Ghosh, Abhik. Electronic Structure of High-Valent Transition Metal Corrolazine Complexes. The Young and Innocent?. Journal of the American Chemical Society 2002; Volum 124. ISSN 0002-7863.s 8117 - 8121.

  • Conradie, Jeanet; Von Eschwege, Karel G.; Fliegl, Heike; Tangen, Espen; Woywod, Clemens Joachim. Why is Dithizonatophenylmercury(II) photochromic? An electronic structure study of the mechanism. 20th NKS meeting 2014-10-29 - 2014-10-30 2014.

  • Conradie, Jeanet; Tangen, Espen; Ghosh, Abhik. The Challenge of Being Straight. 1. Why is the {Mn(NO)2}8 Unit Straight, in Contrast to the Severely Cisoid-Tilted {Fe(NO)2}8 Unit?. Third International Conference on Porphyrins and Phthalocyanines (ICPP-3) 2004-07-11 - 2004-07-16 2004.

  • Tangen, Espen; Ghosh, Abhik. The Challenge of Being Straight and of Explaining the Unknowable in Terms of the Unobservable. 2. Understanding the Unexpected Linearity of an {FeNO}7 Unit and the Issue of Metal Oxidation State Therein. Third International Conference on Porphyrins and Phthalocyanines (ICPP-3) 2004-07-11 - 2004-07-16 2004.

  • Svadberg, Anders; Hansen, Terkel; Svendsen, Kristian; Ovesen, Helge; Tangen, Espen; Swarts, Jannie; Ghosh, Abhik. The Challenge of Being Straight. 3. Diamagnetism and Dramatically Cisoid-Tilted Axial Ligands in Dialkylruthenium(IV) Porphyrins. Third International Conference on Porphyrins and Phthalocyanines (ICPP-3) 2004-07-11 - 2004-07-16 2004.

  • Tangen, Espen. HIGH VALENT TRANSITION METAL CORROLE AND CORROLAZINE COMPLEXES:THE QUESTION OF NONINNOCENT LIGANDS. 2003.

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