On the triplet instability in TDDFT
On the triplet instability in TDDFT
复制标题
关于 TDDFT 中的三重态不稳定性
DOI:
10.1080/00268976.2013.777481
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发表时间:
2013
影响因子:
1.7
通讯作者:
Peach M
中科院分区:
文献类型:
--
作者:
Peach M
The utility of a Hartree–Fock triplet stability threshold, for identifying time-dependent density functional theory triplet excitations for which the inclusion of exact orbital exchange is detrimental, is illustrated for a benchmark set of 63 excitations in 20 organic molecules. Following earlier spin–spin coupling observations that suggest a relatively small triplet instability problem, the accuracy of triplet excitation energies from the B97-2 hybrid functional is also quantified. As anticipated, the results are relatively accurate and this is readily understood in terms of the stabilities. Application of the Tamm–Dancoff approximation dramatically improves all the triplet excitation energies corresponding to low stabilities, whilst also providing a modest improvement in the corresponding singlet states.
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DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
Ola B. Lutnæs;T. Helgaker;M. Jaszuński
通讯作者:
M. Jaszuński
影响因子:
2.9
作者:
Peach, Michael J. G.;Tozer, David J.
通讯作者:
Tozer, David J.
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
Mario R Silva;S. Sauer;M. Schreiber;W. Thiel
通讯作者:
W. Thiel
影响因子:
--
作者:
DANCOFF, SM
通讯作者:
DANCOFF, SM
DOI:
10.1063/1.3499598
发表时间:
2010
期刊:
The Journal of chemical physics
影响因子:
--
作者:
Mario R Silva;M. Schreiber;S. Sauer;W. Thiel
通讯作者:
W. Thiel