Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 132, Issue 18, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.3413528
Keywords
Hessian matrices; potential energy surfaces; reaction kinetics theory
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We present an extension to the theory of compliance matrices, which is valid for arbitrary nonstationary points on the potential energy hypersurface. It is shown that compliance matrices computed as the inverse of the covariant Hessian matrix obey the same invariance properties with respect to different internal coordinate systems as they do for stationary points. Furthermore, we demonstrate how the computation of compliance matrices in arbitrary sets of redundant internal coordinates starting from a Cartesian Hessian can be achieved efficiently, and we discuss their potential usefullness in geometry optimization processes. (C) 2010 American Institute of Physics. [doi:10.1063/1.3413528]
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