• Multi-configurational self-consistent field (MCSCF) is a method in quantum chemistry used to generate qualitatively correct reference states of molecules...
    8 KB (1,120 words) - 01:27, 1 October 2024
  • the true multi-electron wave function in terms of a linear combination of Slater determinants—such as multi-configurational self-consistent field, configuration...
    31 KB (4,729 words) - 03:07, 5 December 2024
  • Multireference configuration interaction (MRCI) Multi-configurational self-consistent field (MCSCF) Post-Hartree–Fock Quadratic configuration interaction...
    6 KB (841 words) - 15:26, 5 August 2019
  • Hartree–Fock use a single determinant wave function. Multi-configurational self-consistent field (MCSCF) methods use several determinants and can be used...
    23 KB (2,870 words) - 10:43, 10 December 2024
  • or configuration interaction methods to improve the description of electron correlation. These methods include: Multi-configurational self-consistent field...
    9 KB (947 words) - 10:23, 16 December 2024
  • Thumbnail for Excited state
    cluster, Møller–Plesset perturbation theory, multi-configurational self-consistent field, configuration interaction, and time-dependent density functional...
    9 KB (955 words) - 15:25, 17 December 2024
  • orbitals, though other wave functions such as configuration interaction, multi-configurational self-consistent field, or Brueckner orbitals can also be used...
    28 KB (4,353 words) - 02:08, 11 December 2024
  • been shown to be possible with coupled cluster methods. multi-configurational self-consistent field (MCSCF) There are also combinations possible. E.g. one...
    12 KB (1,541 words) - 09:50, 28 February 2024
  • functions) of the self-consistent field Hamiltonian and it was at this point that molecular orbital theory became fully rigorous and consistent. This rigorous...
    23 KB (3,018 words) - 12:43, 22 October 2024
  • the problem of solving the Kohn–Sham equation has to be done in a self-consistent (i.e., iterative) way. Usually one starts with an initial guess for...
    79 KB (10,599 words) - 20:09, 27 November 2024
  • Thumbnail for Complete active space perturbation theory
    CASPTn method is usually used in conjunction with the multi-configurational self-consistent field method (MCSCF) to avoid near-degeneracy correlation effects...
    5 KB (664 words) - 01:30, 1 October 2024
  • just Slater determinants can also be used as a basis in multi-configurational self-consistent field computations. In atomic structure, a CSF is an eigenstate...
    13 KB (1,690 words) - 01:32, 1 October 2024
  • and eighteen electrons in a shell form stable configurations. Bury proposed that the electron configurations in transitional elements depended upon the valence...
    15 KB (1,896 words) - 02:38, 3 December 2024
  • active space (CAS) and multi-configurational self-consistent field calculations Coupled cluster calculations Quadratic configuration interaction (QCI) methods...
    9 KB (811 words) - 05:10, 22 May 2024
  • quantum Monte Carlo Multi-configurational self-consistent field (MCSCF including CASSCF and RASSCF) Multi-reference configuration interaction (MRCI) n-electron...
    21 KB (2,524 words) - 01:36, 1 October 2024
  • by solving the Dyson equation once the self-energy of the system is known. For real systems like solids, the self-energy is a very complex quantity and...
    37 KB (4,835 words) - 08:39, 9 December 2024
  • recovered with good accuracy by means of perturbative evaluations, such as CASPT2 and NEVPT. CASSCF Multi-configurational self-consistent field (MCSCF) v t e...
    2 KB (250 words) - 08:18, 28 June 2024
  • approaches all share the common use of the Monte Carlo method to handle the multi-dimensional integrals that arise in the different formulations of the many-body...
    9 KB (1,140 words) - 19:56, 21 September 2022
  • Stefan (2019-03-12). "GFN2-xTB—An Accurate and Broadly Parametrized Self-Consistent Tight-Binding Quantum Chemical Method with Multipole Electrostatics...
    34 KB (7,350 words) - 03:42, 26 August 2024
  • Møller–Plesset perturbation theory Configuration interaction Coupled cluster Multi-configurational self-consistent field Quantum chemistry composite methods...
    9 KB (1,346 words) - 21:35, 11 March 2024
  • Stefan (2019-03-12). "GFN2-xTB—An Accurate and Broadly Parametrized Self-Consistent Tight-Binding Quantum Chemical Method with Multipole Electrostatics...
    12 KB (1,419 words) - 06:03, 22 August 2024
  • GW approximation (category Quantum field theory)
    augmented plane-waves, currently interfaced with WIEN2k GPAW GREEN - fully self-consistent GW in Gaussian basis for molecules and solids Molgw - small gaussian...
    10 KB (1,298 words) - 03:59, 9 December 2024
  • and multi-configurational self-consistent field (MCSCF). Correlation corrections after these SCF calculations can be estimated by configuration interaction...
    12 KB (1,057 words) - 00:35, 29 August 2024
  • Hafeez Qureshi Multi-angle light scattering Multi-configuration time-dependent Hartree Multi-configurational self-consistent field Multi-object APO Radial...
    24 KB (2,447 words) - 12:55, 21 November 2024
  • Møller–Plesset perturbation theory Configuration interaction Coupled cluster Multi-configurational self-consistent field Quantum chemistry composite methods...
    8 KB (1,149 words) - 17:23, 27 June 2024
  • Density functional theory (DFT), Multi-configurational self-consistent field (MCSCF), time-dependent DFT (TDDFT), configuration interaction (CI), second order...
    15 KB (1,789 words) - 15:01, 12 December 2024
  • Luttinger, W. Kohn (1955). "Motion of Electrons and Holes in Perturbed Periodic Fields". Physical Review. 97 (4): 869–883. Bibcode:1955PhRv...97..869L. doi:10...
    12 KB (1,975 words) - 08:09, 19 December 2024
  • Bond Self-Consistent Field (VBSCF) method", Chemical Physics Letters 76, 138–142, 1980. J. H. van Lenthe, G. G. Balint-Kurti, "The Valence Bond Self-Consistent...
    20 KB (2,703 words) - 12:53, 28 November 2024
  • 1007/s00706-007-0798-8. S2CID 97222411. "Correlation consistent Composite Approach (ccCA)". NWChem. "GAMESS Correlation consistent Composite Approach (ccCA)" (PDF). Gordon...
    27 KB (3,473 words) - 04:17, 14 October 2024
  • of time-dependent potentials, such as electric or magnetic fields. The effect of such fields on molecules and solids can be studied with TDDFT to extract...
    16 KB (2,495 words) - 21:24, 30 October 2023