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Datta SN. A novel interpretation of min-max theorem and principle in relativistic quantum chemistry. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Mosyagin NS, Tupitsyn II, Titov AV. Precision calculation of the low-lying excited states of the Rf atom. RADIOCHEMISTRY 2010. [DOI: 10.1134/s1066362210040120] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Mochizuki Y, Tatewaki H. On the electronic structure of CmFn (n=1–4) by all-electron Dirac–Hartree–Fock calculations. J Chem Phys 2003. [DOI: 10.1063/1.1568075] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Mochizuki Y, Tatewaki H. On the electronic structure of Cm(H2O)n3+ (n=1,2,4,6) by all-electron Dirac–Hartree–Fock calculations. J Chem Phys 2002. [DOI: 10.1063/1.1473803] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Mochizuki Y, Tatewaki H. Four-component relativistic calculations on the complexes between a water molecule and trivalent lanthanoid and actinoid ions. Chem Phys 2001. [DOI: 10.1016/s0301-0104(01)00483-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Wilson S. On the use of many-body perturbation theory and quantum-electrodynamics in molecular electronic structure theory. ACTA ACUST UNITED AC 2001. [DOI: 10.1016/s0166-1280(01)00477-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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The Dirac Equation in the algebraic approximation. VII. A comparison of molecular finite difference and finite basis set calculations using distributed Gaussian basis sets. ADVANCES IN QUANTUM CHEMISTRY 2001. [DOI: 10.1016/s0065-3276(05)39015-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Rutkowski A. Relativistic perturbation theory. I. A new perturbation approach to the Dirac equation. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0022-3700/19/2/005] [Citation(s) in RCA: 118] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Rutkowski A. Relativistic perturbation theory: II. One-electron variational perturbation calculations. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0022-3700/19/21/011] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Quiney HM, Grant IP, Wilson S. The Dirac equation in the algebraic approximation. III. Diagrammatic perturbation theory applied to a model problem. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0022-3700/18/14/005] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Wood J, Grant IP, Wilson S. The Dirac equation in the algebraic approximation. IV. Application of the partitioning technique. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0022-3700/18/15/011] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Quiney HM, Grant IP, Wilson S. The Dirac equation in the algebraic approximation. V. Self-consistent field studies including the Breit interaction. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0022-3700/20/7/010] [Citation(s) in RCA: 108] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Dyall KG, Grant IP, Wilson S. The Dirac equation in the algebraic approximation. II. Extended basis set calculations for hydrogenic atoms. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0022-3700/17/7/009] [Citation(s) in RCA: 68] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Abstract
The electronic structure of gold hydride is investigated by
ab initio
fully relativistic extended basis set self-consistent field and configuration interaction calculations based on the Dirac equation. The gold 6p orbitals play only a very minor role in the bonding. The ten electrons occupying the 5d orbitals in the free gold atom are significantly affected by the formation of the molecule whose electronic structure exhibits substantial 5d‒6s hybridization. The extended-basis calculations show that relativity shortens the bond length by 0.45 a. u. (1 a. u. (atomic unit) of length = 1 bohr ≈ 0.529177 × 10
‒10
m), substantially increases the fundamental vibration frequency and doubles the binding energy predicted by using a single determinant wavefunction. The bonding cannot be fully understood by using non-relativistic theory.
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Mohanty AK, Parpia FA. Fully relativistic calculations for the ground state of the AgH molecule. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1996; 54:2863-2867. [PMID: 9913800 DOI: 10.1103/physreva.54.2863] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Rutkowski A. Regular perturbation theory of relativistic corrections: Basic aspects. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1996; 53:145-151. [PMID: 9912869 DOI: 10.1103/physreva.53.145] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Parpia FA, Mohanty AK. Dirac-Fock calculations for the ground states of some small molecules. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1995; 52:962-968. [PMID: 9912335 DOI: 10.1103/physreva.52.962] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Numerical study of the convergence of the linear expansion method for the one-electron Dirac equation. Chem Phys Lett 1995. [DOI: 10.1016/0009-2614(95)00390-p] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Dyall KG. Relativistic effects on the bonding and properties of the hydrides of platinum. J Chem Phys 1993. [DOI: 10.1063/1.464346] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Parpia FA, Mohanty AK. Relativistic basis-set calculations for atoms with Fermi nuclei. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1992; 46:3735-3745. [PMID: 9908564 DOI: 10.1103/physreva.46.3735] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Dyall KG, Taylor PR, Faegri K, Partridge H. All‐electron molecular Dirac–Hartree–Fock calculations: The group IV tetrahydrides CH4, SiH4, GeH4, SnH4, and PbH4. J Chem Phys 1991. [DOI: 10.1063/1.460911] [Citation(s) in RCA: 166] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kinetically balanced geometric Gaussian basis set calculations for relativistic many-electron atoms with finite nuclear size. Chem Phys Lett 1989. [DOI: 10.1016/0009-2614(89)87260-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Goldman SP, Dalgarno A. Finite-basis-set approach to the Dirac-Hartree-Fock equations. PHYSICAL REVIEW LETTERS 1986; 57:408-411. [PMID: 10034052 DOI: 10.1103/physrevlett.57.408] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Heully J, Lindgren I, Lindroth E, Mrtensson-Pendrill A. Comment on relativistic wave equations and negative-energy states. PHYSICAL REVIEW. A, GENERAL PHYSICS 1986; 33:4426-4429. [PMID: 9897198 DOI: 10.1103/physreva.33.4426] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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