Publications

David J. Coughtrie, Robin Giereth, Daniel Kats, Hans Joachim Werner, and Andreas Köhn. Embedded Multireference Coupled Cluster Theory. J. Chem. Theory Comput., (14)2:693–709, 2018. [PUMA: chemie from:alexanderdenzel imported koehn köhn stuttgart theochem theoretische werner] URL

Andreas Köhn. Complete basis set results in electron correlation methods using F12 theory. Chem. Model., (10):32-63, 2013. [PUMA: chemie from:alexanderdenzel imported koehn köhn stuttgart theochem theoretische] URL

Suraj Mondal, Shuvankar Mandal, Luca Carrella, Arpita Jana, Michel Fleck, Andreas Köhn, Eva Rentschler, and Sasankasekhar Mohanta. A series of MIICuII3stars (M = Mn, Ni, Cu, Zn) exhibiting unusual magnetic properties. Inorg. Chem., (54)1:117–131, 2015. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Mathias Pabst, Andreas Köhn, Jürgen Gauss, and John F. Stanton. A worrisome failure of the CC2 coupled-cluster method when applied to ozone. Chem. Phys. Lett., (495)1-3:135–140, 2010. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Matthias Hanauer, and Andreas Köhn. Response properties with explicitly correlated coupled-cluster methods using a Slater-type correlation factor and cusp conditions. J. Chem. Phys., (131)12:124118, 2009. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Bernd Lunkenheimer, and Andreas Köhn. Solvent effects on electronically excited states using the conductor-like screening model and the second-order correlated method ADC(2). J. Chem. Theory Comput., (9)2:977–994, 2013. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Christof Hättig, David P. Tew, and Andreas Köhn. Communications: Accurate and efficient approximations to explicitly correlated coupled-cluster singles and doubles, CCSD-F12. J. Chem. Phys., (132)23:231102, 2010. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn, and David P. Tew. Towards the Hartree-Fock and coupled-cluster singles and doubles basis set limit: A study of various models that employ single excitations into a complementary auxiliary basis set. J. Chem. Phys., (132)2:24101, 2010. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn. A modified ansatz for explicitly correlated coupled-cluster wave functions that is suitable for response theory. J. Chem. Phys., (130)10:104104, 2009. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn. Explicitly correlated connected triple excitations in coupled-cluster theory. J. Chem. Phys., (130)13:131101, 2009. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn, and Christof Hättig. Comment on 'efficient calculation of canonical MP2 energies '[P. Pulay, S. Saebø, K. Wolinski, Chem. Phys. Lett. 344 (2001) 543-552]. Chem. Phys. Lett., (358)3-4:350–353, 2002. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Francesco A. Evangelista, Matthias Hanauer, Andreas Köhn, and Jürgen Gauss. A sequential transformation approach to the internally contracted multireference coupled cluster method. J. Chem. Phys., (136)20:204108, 2012. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Filippo Lipparini, Till Kirsch, Andreas Köhn, and Jürgen Gauss. Internally Contracted Multireference Coupled Cluster Calculations with a Spin-Free Dirac-Coulomb Hamiltonian: Application to the Monoxides of Titanium, Zirconium, and Hafnium. J. Chem. Theory Comput., (13)7:3171–3184, 2017. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Pradipta Kumar Samanta, Debashis Mukherjee, Matthias Hanauer, and Andreas Köhn. Excited states with internally contracted multireference coupled-cluster linear response theory. J. Chem. Phys., (140)13:134108, 2014. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn, and David P. Tew. Explicitly correlated coupled-cluster theory using cusp conditions. I. Perturbation analysis of coupled-cluster singles and doubles (CCSD-F12). J. Chem. Phys., (133)17:174117, 2010. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Inga Loke, Guillaume Bentzinger, Julia Holz, Aruna Raja, Aman Bhasin, Florenz Sasse, Andreas Köhn, Rainer Schobert, and Sabine Laschat. Synthesis of the AB ring system of clifednamide utilizing Claisen rearrangement and Diels-Alder reaction as key steps. Org. Biomol. Chem., (14)3:884–894, 2016. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Detlef Schooss, Stefan Gilb, Julian Kaller, Manfred M. Kappes, Filipp Furche, Andreas Köhn, Klaus May, and Reinhart Ahlrichs. Photodissociation spectroscopy of Ag₄⁺(N₂)ₘ, m = 0-4. J. Chem. Phys., (113)13:5361–5371, 2000. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Burkhard Fückel, Andreas Köhn, Michael E. Harding, Gregor Diezemann, Gerald Hinze, Thomas Basch́, and Jürgen Gauss. Theoretical investigation of electronic excitation energy transfer in bichromophoric assemblies. J. Chem. Phys., (128)7:74505, 2008. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Wenlan Liu, Lars Müller, Shuangying Ma, Stephen Barlow, Seth R. Marder, Wolfgang Kowalsky, Andreas Köhn, and Robert Lovrincic. The Origin of the π-π Spacing Change upon Doping of Semiconducting Polymers. J. Phys. Chem. C, (122):27983-27990, 2018. [PUMA: chemie from:alexanderdenzel imported koehn köhn stuttgart theochem theoretische] URL

Andreas Köhn, and Jeppe Olsen. Coupled-cluster with active space selected higher amplitudes: Performance of seminatural orbitals for ground and excited state calculations. J. Chem. Phys., (125)17:174110, 2006. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Mathias Pabst, Bernd Lunkenheimer, and Andreas Köhn. The triplet excimer of naphthalene: A model system for triplet-triplet interactions and its spectral properties. J. Phys. Chem. C, (115)16:8335–8344, 2011. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Matthias Hanauer, and Andreas Köhn. Perturbative treatment of triple excitations in internally contracted multireference coupled cluster theory. J. Chem. Phys., (136)20:204107, 2012. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Wenlan Liu, Matthias Hanauer, and Andreas Köhn. Explicitly correlated internally contracted multireference coupled-cluster singles and doubles theory: Ic-MRCCSD(F12*). Chem. Phys. Lett., (565):122–127, 2013. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

D. Ambrosek, A. Köhn, J. Schulze, and O. Kühn. Quantum chemical parametrization and spectroscopic characterization of the frenkel exciton hamiltonian for a J-aggregate forming perylene bisimide dye. J. Phys. Chem. A, (116)46:11451–11458, 2012. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Heike Fliegl, Andreas Köhn, Christof Hättig, and Reinhart Ahlrichs. Ab initio calculation of the vibrational and electronic spectra of trans- and cis-azobenzene. J. Am. Chem. Soc., (125)32:9821–9827, 2003. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Mathias Pabst, Dage Sundholm, and Andreas Köhn. Ab initio studies of triplet-state properties for organic semiconductor molecules. J. Phys. Chem. C, (116)29:15203–15217, 2012. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Pradipta Kumar Samanta, and Andreas Köhn. First-order properties from internally contracted multireference coupled-cluster theory with particular focus on hyperfine coupling tensors. J. Chem. Phys., (149)6:64101, 2018. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn, and Christof Hättig. On the nature of the low-lying singlet states of 4-(Dimethyl-amino)benzonitrile. J. Am. Chem. Soc., (126)23:7399–7410, 2004. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Mathias Pabst, and Andreas Köhn. Implementation of transition moments between excited states in the approximate coupled-cluster singles and doubles model. J. Chem. Phys., (129)21:214101, 2008. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Christof Hättig, Andreas Köhn, and Kasper Hald. First-order properties for triplet excited states in the approximated coupled cluster model CC2 using an explicitly spin coupled basis. J. Chem. Phys., (116)13:5401–5410, 2002. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Yuri Alexandre Aoto, and Andreas Köhn. Revisiting the F + HCl → HF + Cl reaction using a multireference coupled-cluster method. Phys. Chem. Chem. Phys., (18)44:30241–30253, 2016. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Yuri Alexandre Aoto, and Andreas Köhn. Internally contracted multireference coupled-cluster theory in a multistate framework. J. Chem. Phys., (144)7:74103, 2016. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn, and Jeppe Olsen. Orbital-optimized coupled-cluster theory does not reproduce the full configuration-interaction limit. J. Chem. Phys., (122)8:84116, 2005. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Christof Hättig, Wim Klopper, Andreas Köhn, and David P. Tew. Explicitly correlated electrons in molecules. Chem. Rev., (112)1:4–74, 2012. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn, and Christof Hättig. Analytic gradients for excited states in the coupled-cluster model CC2 employing the resolution-of-the-identity approximation. J. Chem. Phys., (119)10:5021–5036, 2003. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn. Explicitly correlated coupled-cluster theory using cusp conditions. II. Treatment of connected triple excitations. J. Chem. Phys., (133)17:174118, 2010. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Che Hung Lin, Dominik Pursley, Johannes E M N Klein, Johannes Teske, Jennifer A. Allen, Fabian Rami, Andreas Köhn, and Bernd Plietker. Non-decarbonylative photochemical versus thermal activation of Bu₄N[Fe(CO)₃(NO)] - the Fe-catalyzed Cloke-Wilson rearrangement of vinyl and arylcyclopropanes. Chem. Sci., (6)12:7034–7043, 2015. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn, Matthias Hanauer, Leonie Anna Mück, Thomas Christian Jagau, and Jürgen Gauss. State-specific multireference coupled-cluster theory. Wiley Interdiscip. Rev. Comput. Mol. Sci., (3)2:176–197, 2013. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Florian Weigend, Andreas Köhn, and Christof Hättig. Efficient use of the correlation consistent basis sets in resolution of the identity MP2 calculations. J. Chem. Phys., (116)8:3175–3183, 2002. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Lea Thøgersen, Jeppe Olsen, Andreas Köhn, Poul Jørgensen, Paweł Sałek, and Trygve Helgaker. The trust-region self-consistent field method in Kohn-Sham density-functional theory. J. Chem. Phys., (123)7:74103, 2005. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

A. Köhn, F. Weigend, and R. Ahlrichs. Theoretical study on clusters of magnesium. Phys. Chem. Chem. Phys., (3)5:711–719, 2001. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Mathias Pabst, and Andreas Köhn. Excited states of [3.3](4,4′)biphenylophane: The role of charge-transfer excitations in dimers with π-π interaction. J. Phys. Chem. A, (114)4:1639–1649, 2010. [PUMA: chemie from:alexanderdenzel imported koehn köhn stuttgart theochem theoretische] URL

Manoj K. Kesharwani, Nitai Sylvetsky, Andreas Köhn, David P. Tew, and Jan M.L. Martin. Do CCSD and approximate CCSD-F12 variants converge to the same basis set limits? the case of atomization energies. J. Chem. Phys., (149)15:154109, 2018. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Florian P. Diehl, Claudia Roos, Hans Christian Jankowiak, Robert Berger, Andreas Köhn, Gregor Diezemann, and Thomas Basché. Combined experimental and theoretical study of the vibronic spectra of perylenecarboximides. J. Phys. Chem. B, (114)4:1638–1647, 2010. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn, and Attila Tajti. Can coupled-cluster theory treat conical intersections?. J. Chem. Phys., (127)4:44105, 2007. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

K. Y.Samuel Chang, Stijn Fias, Raghunathan Ramakrishnan, and O. Anatole Von Lilienfeld. Fast and accurate predictions of covalent bonds in chemical space. J. Chem. Phys., (144)172016. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Christof Hättig, and Andreas Köhn. Transition moments and excited-state first-order properties in the coupled-cluster model CC2 using the resolution-of-the-identity approximation. J. Chem. Phys., (117)15:6939–6951, 2002. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Matthias Hanauer, and Andreas Köhn. Communication: Restoring full size extensivity in internally contracted multireference coupled cluster theory. J. Chem. Phys., (137)13:131103, 2012. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Claudia Roos, Andreas Köhn, Jürgen Gauss, and Gregor Diezemann. The temperature dependence of vibronic lineshapes: Linear electron-phonon coupling. J. Chem. Phys., (141)15:154110, 2014. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Yuri A. Aoto, Ana Paula De Lima Batista, Andreas Köhn, and Antonio G.S. De Oliveira-Filho. How to Arrive at Accurate Benchmark Values for Transition Metal Compounds: Computation or Experiment?. J. Chem. Theory Comput., (13)11:5291–5316, 2017. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Christof Hättig, Arnim Hellweg, and Andreas Köhn. Distributed memory parallel implementation of energies and gradients for second-order Møller-Plesset perturbation theory with the resolution-of-the-identity approximation. Phys. Chem. Chem. Phys., (8)10:1159–1169, 2006. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Ivelina Georgieva, Adélia J.A. Aquino, Felix Plasser, Natasha Trendafilova, Andreas Köhn, and Hans Lischka. Intramolecular Charge-Transfer Excited-State Processes in 4-(N, N -Dimethylamino)benzonitrile: The Role of Twisting and the πσ∗ State. J. Phys. Chem. A, (119)24:6232–6243, 2015. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Sebastian Mai, Felix Plasser, Mathias Pabst, Frank Neese, Andreas Köhn, and Leticia González. Surface hopping dynamics including intersystem crossing using the algebraic diagrammatic construction method. J. Chem. Phys., (147)18:184109, 2017. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Matthias Hanauer, and Andreas Köhn. Pilot applications of internally contracted multireference coupled cluster theory, and how to choose the cluster operator properly. J. Chem. Phys., (134)20:204111, 2011. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Magdalena Pecul, Filip Pawłowski, Poul Jørgensen, Andreas Köhn, and Christof Hättig. High-order correlation effects on dynamic hyperpolarizabilities and their geometric derivatives: A comparison with density functional results. J. Chem. Phys., (124)11:114101, 2006. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Benjamin Gaertner, Andreas Köhn, and Hans-Jörg Himmel. The First End-On Bonded Superoxo Complexes of Ga and In: The Oxygen-Rich Compounds GaO₄ and InO₄. Eur. J. Inorg. Chem., (2006)7:1496–1504, 2006. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Thanja Lamberts, Pradipta Kumar Samanta, Andreas Köhn, and Johannes Kästner. Quantum tunneling during interstellar surface-catalyzed formation of water: The reaction H + H₂O₂→ H₂O + OH. Phys. Chem. Chem. Phys., (18)48:33021–33030, 2016. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Adélia A.J. Aquino, Itamar Borges, Reed Nieman, Andreas Köhn, and Hans Lischka. Intermolecular interactions and charge transfer transitions in aromatic hydrocarbon-tetracyanoethylene complexes. Phys. Chem. Chem. Phys., (16)38:20586–20597, 2014. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Itamar Borges, Adélia J.A. Aquino, Andreas Köhn, Reed Nieman, William L. Hase, Lin X. Chen, and Hans Lischka. Ab initio modeling of excitonic and Charge-transfer states in organic semiconductors: The PTB1/PCBM low band gap system. J. Am. Chem. Soc., (135)49:18252–18255, 2013. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Christof Hättig, Arnim Hellweg, and Andreas Köhn. Intramolecular charge-transfer mechanism in quinolidines: The role of the amino twist angle. J. Am. Chem. Soc., (128)49:15672–15682, 2006. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Tina Mühlhäuser, Alex Savin, Wolfgang Frey, Angelika Baro, Andreas J. Schneider, Heinz Günter Döteberg, Florian Bauer, Andreas Köhn, and Sabine Laschat. Role of Regioisomeric Bicyclo[3.3.0]octa-2,5-diene Ligands in Rh Catalysis: Synthesis, Structural Analysis, Theoretical Study, and Application in Asymmetric 1,2- and 1,4-Additions. J. Org. Chem., (82)24:13468–13480, 2017. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Andreas Köhn, Gareth W. Richings, and David P. Tew. Implementation of the full explicitly correlated coupled-cluster singles and doubles model CCSD-F12 with optimally reduced auxiliary basis dependence. J. Chem. Phys., (129)20:201103, 2008. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Wenlan Liu, Bernd Lunkenheimer, Volker Settels, Bernd Engels, Reinhold F. Fink, and Andreas Köhn. A general ansatz for constructing quasi-diabatic states in electronically excited aggregated systems. J. Chem. Phys., (143)8:84106, 2015. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Stinne Høst, Poul Jørgensen, Andreas Köhn, Filip Pawłowski, Wim Klopper, and Christof Hättig. Frequency-dependent hyperpolarizabilities of the Ne, Ar, and Kr atoms using the approximate coupled cluster triples model CC3. J. Chem. Phys., (123)9:94303, 2005. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL

Espen Sagvolden, Filipp Furche, and Andreas Köhn. Förster energy transfer and davydov splittings in time-dependent density functional theory: lessons from 2-pyridone dimer. J. Chem. Theory Comput., (5)4:873–880, 2009. [PUMA: chemie imported koehn köhn from:alexanderdenzel theoretische stuttgart theochem] URL