An accurate and efficient hybrid Density Functional Theory (DFT)
and Multireference Configuration Interaction (MRCI) model for
computing electronic excitation energies in atoms and molecules was
developed. The utility of a hybrid method becomes apparent when
ground and excited states of large molecules, clusters of
molecules, or even moderately sized molecules containing heavy
element atoms are desired. In the case of large systems of lighter
elements, the hybrid method brings to bear the numerical efficiency
of the DFT method in computing the electron-electron dynamic
correlation, while including non-dynamical electronic correlation
via the Configuration Interaction (CI) calculation. Substantial
reductions in the size of the CI expansion necessary to obtain
accurate spectroscopic results are possible in the hybrid method.
General
Imprint: |
Biblioscholar
|
Country of origin: |
United States |
Release date: |
October 2012 |
First published: |
October 2012 |
Authors: |
Eric V Beck
|
Dimensions: |
246 x 189 x 10mm (L x W x T) |
Format: |
Paperback - Trade
|
Pages: |
194 |
ISBN-13: |
978-1-249-83614-8 |
Categories: |
Books >
Social sciences >
Education >
General
|
LSN: |
1-249-83614-X |
Barcode: |
9781249836148 |
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