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Issue 4, 2008
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B3LYP augmented with an empirical dispersion term (B3LYP-D*) as applied to molecular crystals

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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

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Publication details

The article was received on 01 Oct 2007, accepted on 21 Nov 2007 and first published on 30 Nov 2007


Article type: Paper
DOI: 10.1039/B715018K
Citation: CrystEngComm, 2008,10, 405-410
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    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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