Interaction between closed and open-shell molecules. V. 13C contact shift and molecular orbital studies on the interaction between halogenated molecules and nitroxide radical

1972 ◽  
Vol 14 (3) ◽  
pp. 372-376 ◽  
Author(s):  
I. Morishima ◽  
T. Inubushi ◽  
K. Endo ◽  
T. Yonezawa
Keyword(s):  
Molecular Orbital ◽  
Nitroxide Radical ◽  
Open Shell ◽  
Contact Shift

Extension of the fragment molecular orbital method to treat large open-shell systems in solution

2015 ◽  
Vol 635 ◽  
pp. 86-92 ◽  
Author(s):  
Hiroya Nakata ◽  
Dmitri G. Fedorov ◽  
Kazuo Kitaura ◽  
Shinichiro Nakamura
Keyword(s):  
Molecular Orbital ◽  
Open Shell ◽  
Orbital Method ◽  
Molecular Orbital Method ◽  
Fragment Molecular Orbital

scholarly journals LOCALLY PROJECTED MOLECULAR ORBITAL THEORY FOR MOLECULAR INTERACTION WITH A HIGH-SPIN OPEN-SHELL MOLECULE

2006 ◽  
Vol 05 (04) ◽  
pp. 819-833 ◽  
Author(s):  
SUEHIRO IWATA
Keyword(s):  
Molecular Orbital ◽  
High Spin ◽  
Closed Shell ◽  
Open Shell ◽  
Coefficient Matrix ◽  
Molecular Orbitals ◽  
Orbital Method ◽  
Stationary Condition ◽  
Orbital Theory ◽  
Stationary Conditions

Locally projected molecular orbital method for molecular interactions is extended to a cluster consisting of a high-spin open-shell molecule and many closed-shell molecules. While deriving the equations, the Hartee–Fock–Roothaan equation without the orthonormal condition is obtained. The stationary conditions for molecular orbitals are expressed in a form of a generalized Brillouin condition. To obtain the molecular orbital coefficient matrix, which satisfies the stationary condition, a single Fock operator form is presented. For the locally projected molecular orbitals for the open-shell cluster, the working matrix representaion is given.

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