Issue 4, 2008

B3LYP augmented with an empirical dispersion term (B3LYP-D*) as applied to molecular crystals

Abstract

The B3LYP method augmented with a damped empirical dispersion term (−f(R)C6/R6) is shown to yield structures and cohesive energies, for a representative set of molecular crystals, in excellent agreement with experimental data. Vibrational lattice modes of crystalline urea are also reported to be very close to experiment. The role of the damping function in scaling the dispersion contribution has been analyzed as well as the relevance of the BSSE in the prediction of structure and cohesive energy.

Graphical abstract: B3LYP augmented with an empirical dispersion term (B3LYP-D*) as applied to molecular crystals

Supplementary files

Additions and corrections

Article information

Article type
Paper
Submitted
01 Okt. 2007
Accepted
21 Nov. 2007
First published
30 Nov. 2007

CrystEngComm, 2008,10, 405-410

B3LYP augmented with an empirical dispersion term (B3LYP-D*) as applied to molecular crystals

B. Civalleri, C. M. Zicovich-Wilson, L. Valenzano and P. Ugliengo, CrystEngComm, 2008, 10, 405 DOI: 10.1039/B715018K

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