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Quadratic configuration interaction

Known as: QCI, QCISD 
Quadratic configuration interaction (QCI) is an extension of configuration interaction that corrects for size-consistency errors in single and double… 
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Related topics

Related topics

10 relations
Ab initio quantum chemistry methodsConfiguration interactionCoupled clusterGaussian (software)

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2020
2020
Reduced-order observer-based robust leader-following control of heterogeneous discrete-time multi-agent systems with system uncertainties
In this paper, the leader-following control of heterogeneous discrete-time multi-agent systems (HD_MASs) in the presence of… 
2012
2012
UV-induced photoisomerization of maleic hydrazide
2005
2005
A correlated study of linear optical absorption in tetracene and pentacene
2003
2003
Thermal fragmentation of 3-vinyloxetane: A quantum chemical study
3-Vinyloxetane undergoes fast thermal fragmentation as compared with oxetane or alkyloxetanes. To explain this kinetic effect, a… 
2002
2002
Analysis of the effect of changing the a0 parameter of the Becke3-LYP hybrid functional on the transition state geometries and energy barriers in a series of prototypical reactions
A series of eleven gas-phase chemical reactions have been examined to assess the dependence of transition state geometries and… 
2000
2000
On the possible formation of Si=O, Si=S, and Si=Se double bonds via the reaction of silylenes with oxirane, thiirane, and selenirane, respectively. An ab initio theoretical study
The reactions between silylene, H2Si, and the three-membered ring compounds, oxirane (9), thiirane (10), and selenirane (11… 
Highly Cited
1998
Highly Cited
1998
Properties of Diazocarbene (CNN) and the Diazomethyl Radical (HCNN) via Ion Chemistry and Spectroscopy
138.4 ( 0.7 kcal mol -1 . We recommend revised experimental values for ¢fH0(HCN) ) 30.9 ( 0.7 kcal mol -1 and ¢fH298(HCN) ) 30.8… 
Highly Cited
1996
Highly Cited
1996
Investigation of the reliability of density functional methods: Reaction and activation energies for Si–Si bond cleavage and H2 elimination from silanes
In order to test the reliability of plane‐wave and Gaussian‐orbital based DFT methods for calculating reaction energies and… 
Highly Cited
1995
Highly Cited
1995
The geometry of pyrazole: A test for ab initio calculations
Ab initio calculations on the structure of pyrazole have been carried out at different levels of accuracy. At the Hartree‐Fock… 
1991
1991
Analysis of coupled cluster and quadratic configuration interaction theory in terms of sixth-order perturbation theory
The energy at sixth-order Mnller-Plesset (MP6) perturbation theory is given and dissected into 36 sizeconsistent energy… 
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