Force field methods hyperconjugation

The adamantyl cations are typical examples of localized carbocations with strong geometric distortions as a result of hyperconjugation. The chiral C2 structure of the 2-propyl cation is confirmed impressively by the force field method. 

AMI Cambridge Structural Database Carbohydrate Force Fields Conformational Analysis 1 Conformational Analysis 2 Conformational Analysis 3 Continuum Solvation Crystal Structure Calculations 1 Crystal Structure Calculations 2 Cyclodextrins Force Fields MM3 Hydrogen Bonding 1 Hydrogen Bonding 2 Hydrogen Bonds Semiempirical Methods Hyperconjugation MNDO Natural Bond Orbital Methods PM3 Solvation Carbohydrates. 

Divide and Conquer for Semiempirical MO Methods Force Fields A Brief Introduction Force Fields A General Discussion Hyperconjugation MNDO Molecular Mechanics Conjugated Systems Monte Carlo Quantum Methods for Electronic Structure PM3 PRDDO SINDOl Parameterization and Application. 

---