Electronically Excited States of Higher Acenes up to Nonacene: A Density Functional Theory/Multireference Configuration Interaction Study

2015 ◽  
Vol 12 (1) ◽  
pp. 305-312 ◽  
Author(s):  
Holger F. Bettinger ◽  
Christina Tönshoff ◽  
Markus Doerr ◽  
Elsa Sanchez-Garcia
Keyword(s):  
Density Functional Theory ◽  
Excited States ◽  
Configuration Interaction ◽  
Density Functional ◽  
Interaction Study ◽  
Functional Theory ◽  
Electronically Excited States ◽  
Electronically Excited

scholarly journals Macroscopic quantum electrodynamics and density functional theory approaches to dispersion interactions between fullerenes

2020 ◽  
Vol 22 (40) ◽  
pp. 23295-23306
Author(s):  
Saunak Das ◽  
Johannes Fiedler ◽  
Oliver Stauffert ◽  
Michael Walter ◽  
Stefan Yoshi Buhmann ◽  
...  
Keyword(s):  
Density Functional Theory ◽  
Excited States ◽  
Quantum Electrodynamics ◽  
Density Functional ◽  
Dispersion Interactions ◽  
Functional Theory ◽  
Electronically Excited States ◽  
Macroscopic Quantum ◽  
Td Dft ◽  
Electronically Excited

Van der Waals potentials determine supramolecular structures of molecules in ground and long-lived electronically excited states. We investigate how macroscopic quantum electrodynamics can be used to efficiently describe such potentials based on (TD)DFT-derived polarizabilities.

Electronically excited states of cob(ii)alamin: insights from CASSCF/XMCQDPT2 and TD-DFT calculations

2016 ◽  
Vol 18 (6) ◽  
pp. 4513-4526 ◽  
Author(s):  
Brady D. Garabato ◽  
Neeraj Kumar ◽  
Piotr Lodowski ◽  
Maria Jaworska ◽  
Pawel M. Kozlowski
Keyword(s):  
Density Functional Theory ◽  
Dft Calculations ◽  
Excited States ◽  
Density Functional ◽  
Time Dependent ◽  
Functional Theory ◽  
Electronically Excited States ◽  
Td Dft ◽  
Electronically Excited ◽  
Dependent Density

The low-lying excited states of cob(ii)alamin were investigated using time-dependent density functional theory (TD-DFT), and multiconfigurational CASSCF/XMCQDPT2 methodology, to help understand their role in B12-mediated reactions.

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