Concepedia

Quadratic Configuration Interaction

Quadratic Configuration Interaction is a post-Hartree–Fock electronic structure method that extends Configuration Interaction by including approximate treatment of quadruple excitations through a perturbative, size-extensive formulation to improve accuracy in correlation energy calculations.

178

Publications

33.3K

Citations

366

Authors

159

Institutions

Publications per year

2017–2026

2

Variants

Qci

Parents

Publications

178

Harmonic Vibrational Frequencies:  An Evaluation of Hartree−Fock, Møller−Plesset, Quadratic Configuration Interaction, Density Functional Theory, and Semiempirical Scale Factors

Anthony P. Scott, Leo Radom · The Journal of Physical Chemistry · 1996 · 6.7K citations

, , +14

Quadratic configuration interaction. A general technique for determining electron correlation energies

John A. Pople, Martin Head‐Gordon, Krishnan Raghavachari · The Journal of Chemical Physics · 1987 · 4.5K citations

, , +17

A complete basis set model chemistry. II. Open-shell systems and the total energies of the first-row atoms

George A. Petersson, Mohammad A. Al‐Laham · The Journal of Chemical Physics · 1991 · 3.1K citations

, , +17

The performance of a family of density functional methods

Benny G. Johnson, Peter M. W. Gill, John A. Pople · The Journal of Chemical Physics · 1993 · 1.9K citations

, , +17

A comparison of the efficiency and accuracy of the quadratic configuration interaction (QCISD), coupled cluster (CCSD), and Brueckner coupled cluster (BCCD) methods

Claudia Hampel, Kirk A. Peterson, Hans‐Joachim Werner · Chemical Physics Letters · 1992 · 1.6K citations

, , +10

1–5 of 178

Authors

366

  1. JS
    Joseph S. Francisco

    Purdue University West Lafayette, United States

    16 publications · 352 citations

    14

    h-index

  2. JA
    John A. Pople

    Carnegie Mellon University, United States

    10 publications · 9K citations

    10

    h-index

  3. KR
    Krishnan Raghavachari

    Indiana University Bloomington, United States

    9 publications · 8.3K citations

    9

    h-index

  4. DC
    Dieter Cremer

    University of Gothenburg, Sweden

    6 publications · 407 citations

    6

    h-index

  5. RJ
    Russell J. Boyd

    Dalhousie University, Canada

    6 publications · 162 citations

    6

    h-index

1–5 of 366

Institutions

159

  1. Australian National University

    Canberra, Australia

    11 h-index

    20 publications

    14.2K citations

  2. Purdue University West Lafayette

    West Lafayette, United States

    11 h-index

    15 publications

    335 citations

  3. Carnegie Mellon University

    Pittsburgh, United States

    9 h-index

    17 publications

    20.4K citations

  4. AT&T (United States)

    Bedminster, United States

    8 h-index

    12 publications

    10.2K citations

  5. Institute of Theoretical Physics

    Beijing, China

    6 h-index

    15 publications

    238 citations

  6. Dalhousie University

    Halifax, Canada

    6 h-index

    17 publications

    476 citations

  7. University of Utah

    Salt Lake City, United States

    5 h-index

    7 publications

    263 citations

  8. Wayne State University

    Detroit, United States

    5 h-index

    10 publications

    475 citations

1–8 of 159

Venues

  1. The Journal of Chemical Physics

    93 publications · 21.1K citations

    40

    h-index

  2. The Journal of Physical Chemistry A

    29 publications · 1.4K citations

    19

    h-index

  3. The Journal of Physical Chemistry

    11 publications · 7.3K citations

    10

    h-index

  4. International Journal of Quantum Chemistry

    9 publications · 233 citations

    9

    h-index

  5. Chemical Physics Letters

    7 publications · 2K citations

    7

    h-index

1–5