Derivation of class II force fields. VIII. Derivation of a general quantum mechanical force field for organic compounds

2001 ◽  
Vol 22 (15) ◽  
pp. 1782-1800 ◽  
Author(s):  
Carl S. Ewig ◽  
Rajiv Berry ◽  
Uri Dinur ◽  
Jörg-Rüdiger Hill ◽  
Ming-Jing Hwang ◽  
...  
Keyword(s):  
Force Field ◽  
Organic Compounds ◽  
Force Fields ◽  
Class Ii ◽  
Mechanical Force ◽  
Quantum Mechanical ◽  
General Quantum

Derivation of Class II Force Fields. 7. Nonbonded Force Field Parameters for Organic Compounds

1999 ◽  
Vol 103 (33) ◽  
pp. 6998-7014 ◽  
Author(s):  
Carl S. Ewig ◽  
Thomas S. Thacher ◽  
Arnold T. Hagler
Keyword(s):  
Force Field ◽  
Organic Compounds ◽  
Force Fields ◽  
Class Ii ◽  
Force Field Parameters

Evaluation of carbohydrate molecular mechanical force fields by quantum mechanical calculations

2004 ◽  
Vol 339 (5) ◽  
pp. 937-948 ◽  
Author(s):  
Lars Hemmingsen ◽  
Daniel E. Madsen ◽  
Anders L. Esbensen ◽  
Lars Olsen ◽  
Søren B. Engelsen
Keyword(s):  
Force Fields ◽  
Mechanical Force ◽  
Quantum Mechanical ◽  
Quantum Mechanical Calculations ◽  
Mechanical Force Fields

Towards a quantum mechanical force field for carbohydrates: a reparametrized semi-empirical MO approach

2004 ◽  
Vol 394 (4-6) ◽  
pp. 429-436 ◽  
Author(s):  
Jonathan P. McNamara ◽  
Abdul-Mueed Muslim ◽  
Hoda Abdel-Aal ◽  
Hong Wang ◽  
Matthias Mohr ◽  
...  
Keyword(s):  
Force Field ◽  
Mechanical Force ◽  
Quantum Mechanical ◽  
Semi Empirical

Scaled quantum mechanical force fields for trifluoromethyl selenium derivatives. I. The CF3SeCN and CF3SeCH3 molecules

2006 ◽  
Vol 84 (12) ◽  
pp. 1626-1631 ◽  
Author(s):  
L E Fernández ◽  
E L Varetti
Keyword(s):  
Density Functional ◽  
Force Fields ◽  
Chemical Species ◽  
Mechanical Force ◽  
Force Constants ◽  
Quantum Mechanical ◽  
Functional Theory ◽  
Definition Of ◽  
Theoretical Results ◽  
Mechanical Force Fields

Force fields and vibrational properties were calculated for the trifluoromethyl selenium derivatives, CF3SeCN and CF3SeCH3, by means of density functional theory (DFT) techniques. The existing experimental data and assignments for these molecules were confirmed by the theoretical results. These data were subsequently used in the definition of scaled quantum mechanical force fields for such chemical species. The obtained force constants are compared with results previously published for similar compounds.Key words: trifluoromethyl selenium, force constants, structure, DFT calculation.

Scaled quantum mechanical force field for alanyl-alanine peptide in solution

Biopolymers ◽  
2001 ◽  
Vol 58 (6) ◽  
pp. 577-591 ◽  
Author(s):  
Alan F. Weir ◽  
Alfred H. Lowrey ◽  
Robert W. Williams
Keyword(s):  
Force Field ◽  
Mechanical Force ◽  
Quantum Mechanical
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