Simulations of krypton matrix effects on the electronic spectrum of Na2

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Abstract
A model for calculation of spectral shifts in small molecules due to matrix environments is developed. The approach is based on the one-electron approximation and combines methods of ab initio quantum chemistry, density functional theory, and molecular dynamics simulations. Applications to Na2Kr62 heteroclusters demonstrate that the model is capable of reproducing spectral shifts of opposite sign for the experimentally studied A–X and B–X transitions in Na2 trapped inside the Kr matrix.

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