ChemInform Abstract: Refinement of Molecular Mechanics Parameters for Deformed Benzene Based on ab initio MO Calculations.

ChemInform ◽  
2010 ◽  
Vol 22 (3) ◽  
pp. no-no
Author(s):  
S. TSUZUKI ◽  
K. TANABE
Keyword(s):  
Ab Initio ◽  
Molecular Mechanics ◽  
Mo Calculations ◽  
Ab Initio Mo Calculations ◽  
Ab Initio Mo

scholarly journals Structural Parameters and Internal Rotational Barriers of tert-Butylammonium Ion: AM1 and ab initio Calculations

1992 ◽  
Vol 47 (12) ◽  
pp. 1255-1256
Author(s):  
Hiroyuki Ishida ◽  
Yoshihiro Kubozono ◽  
Setsuo Kashino ◽  
Ryuichi Ikeda
Keyword(s):  
Ab Initio Calculations ◽  
Ab Initio ◽  
Internal Rotation ◽  
Barrier Height ◽  
Structural Parameters ◽  
Mo Calculations ◽  
Ab Initio Mo Calculations ◽  
Rotational Barriers ◽  
Ab Initio Mo ◽  
Internal Rotational Barriers

Semiempirical and ab initio MO calculations were performed to estimate the structural parameters of tert-butylammonium ion and its potential energies for the internal rotation of the CH3 and NH3+ groups. The barrier height for the rotation of NH3+ was found to be lower than for that of CH3 , corresponding to the C - N bond being longer than the C - C bond.

The conformation of levopimaric acid investigated by high-level ab initio MO calculations. Possibility of the CH/π hydrogen bond

Tetrahedron ◽  
2009 ◽  
Vol 65 (17) ◽  
pp. 3525-3528 ◽  
Author(s):  
Osamu Takahashi ◽  
Katsuyoshi Yamasaki ◽  
Yuji Kohno ◽  
Kazuyoshi Ueda ◽  
Hiroko Suezawa ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Ab Initio ◽  
Mo Calculations ◽  
Ab Initio Mo Calculations ◽  
Levopimaric Acid ◽  
Ab Initio Mo ◽  
High Level

Why Selenoxanthone Gives an MC with Bromine:  An Examination of Electronic States of Xanthones and Xanthenes by Electron Spectroscopy and ab Initio MO Calculations

1998 ◽  
Vol 63 (23) ◽  
pp. 8373-8379 ◽  
Author(s):  
Warô Nakanishi ◽  
Satoko Hayashi ◽  
Yoshiaki Kusuyama ◽  
Takeshi Negoro ◽  
Shigeru Masuda ◽  
...  
Keyword(s):  
Ab Initio ◽  
Electron Spectroscopy ◽  
Electronic States ◽  
Mo Calculations ◽  
Ab Initio Mo Calculations ◽  
Ab Initio Mo
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