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Lee J, Head-Gordon M. Two single-reference approaches to singlet biradicaloid problems: Complex, restricted orbitals and approximate spin-projection combined with regularized orbital-optimized Møller-Plesset perturbation theory. J Chem Phys 2019; 150:244106. [DOI: 10.1063/1.5097613] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Joonho Lee
- Department of Chemistry, University of California, Berkeley, California 94720, USA and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Martin Head-Gordon
- Department of Chemistry, University of California, Berkeley, California 94720, USA and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
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Small DW, Sundstrom EJ, Head-Gordon M. Restricted Hartree Fock using complex-valued orbitals: A long-known but neglected tool in electronic structure theory. J Chem Phys 2015; 142:024104. [DOI: 10.1063/1.4905120] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- David W. Small
- Department of Chemistry, University of California, Berkeley, California 94720, USA and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Eric J. Sundstrom
- Department of Chemistry, University of California, Berkeley, California 94720, USA and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Martin Head-Gordon
- Department of Chemistry, University of California, Berkeley, California 94720, USA and Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
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Böhm MC, Ramírez R, Nesper R, Von Schnering HG. The Electronic Structure and the Nature of Chemical Bond of Crystalline Li12Si7. A Semiempirical Crystal Orbital (CO) Approach Based on the Self-Consistent-Field (SCF) Approximation in the Hartree-Fock (HF) Scheme Applied to One-Dimensional (1D) Subunits. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bbpc.19850890506] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Böhm MC. Electron correlation and Hartree-Fock instabilities in polynuclear bis(π-polyenyl)nickel clusters. Mol Phys 2006. [DOI: 10.1080/00268978200101531] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Vogler H, Böhm M. On the validity of the Hartree-Fock approximation in donor-acceptor compounds the TTF/TCNQ system. Mol Phys 2006. [DOI: 10.1080/00268978300101681] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Zenneck U, Suber L, Pritzkow H, Siebert W. Reaktive π-Übergangsmetallkomplexe der 8. Nebengruppe, I. (η6-Aren)(η5-2,5-dihydro-1,2,5-thiadiborol)eisen: Synthesen aus Bis(aren)eisen und Aren-bis(ethen)eisen. ACTA ACUST UNITED AC 1986. [DOI: 10.1002/cber.19861190320] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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A CNDO/INDO crystal orbital model for transition metal polymers of the 3d series?basis equations. ACTA ACUST UNITED AC 1983. [DOI: 10.1007/bf00547893] [Citation(s) in RCA: 56] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Dement'ev AI. Nonempirical calculations of molecular characteristics. J STRUCT CHEM+ 1983. [DOI: 10.1007/bf00746548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Marr G, Rockett BW. Organic reactions of selected π-complexes annual survey covering the year 1981. J Organomet Chem 1983. [DOI: 10.1016/s0022-328x(00)98539-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Böhm MC, Gleiter R. The electronic structure and the He (I) photoelectron spectrum of bis(π-pentadienyl)dinickel. Chem Phys 1982. [DOI: 10.1016/0301-0104(82)87085-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Electron correlation in weakly coupled transition metal dimers: Bimetallocenylenes and bimetallocenes. ACTA ACUST UNITED AC 1981. [DOI: 10.1007/bf02394726] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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