Note: All correlation functionals in this section can be invoked using the $rem variable CORRELATION. Popular and/or recommended functionals within each class are listed first and indicated in bold. The rest are in alphabetical order.
Local Spin-Density Approximation (LSDA)
PW92: Perdew-Wang parameterization of the LSDA correlation energy from 1992716
VWN5 (VWN): Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #5958
srVWN: Short-range version of the VWN correlation functional by Toulouse and coworkers926
Liu-Parr: Liu-Parr model from the functional expansion formulation588
PK09: Proynov-Kong parameterization of the LSDA correlation energy from 2009758
PW92RPA: Perdew-Wang parameterization of the LSDA correlation energy from 1992 with RPA values716
srPW92: Short-range version of the PW92 correlation functional by Paziani and coworkers705
PZ81: Perdew-Zunger parameterization of the LSDA correlation energy from 1981717
VWN1: Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #1958
VWN1RPA: Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #1 with RPA values958
VWN2: Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #2958
VWN3: Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #3958
VWN4: Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #4958
Generalized Gradient Approximation (GGA)
PBE: Perdew, Burke, and Ernzerhof correlation functional707
LYP: Lee-Yang-Parr opposite-spin correlation functional545
P86: Perdew-Wang correlation functional from 1986 based on the PZ81 LSDA functional718
P86VWN5: Perdew-Wang correlation functional from 1986 based on the VWN5 LSDA functional718
PBEloc: PBE correlation functional with a modified beta term by Della Sala and coworkers185
PBEsol: PBE correlation functional modified for solids711
PW91: Perdew-Wang correlation functional from 1991708
regTPSS: Slight modification of the PBE correlation functional (also called vPBEc)806
Meta-Generalized Gradient Approximation (meta-GGA)
TPSS:Tao, Perdew, Staroverov, and Scuseria correlation functional912
revTPSS: Revised version of the TPSS correlation functional710
B95: Becke’s two-parameter correlation functional from 199571
oTPSS: TPSS correlation functional with 2 refit parameters (for use with oTPSS exchange) by Grimme and coworkers313
PK06: Proynov-Kong “tLap” functional with and Laplacian dependence756
PKZB: Perdew, Kurth, Zupan, and Blaha correlation functional709
SCAN: Strongly Constrained and Appropriately Normed correlation functional900
TM: Tao-Mo correlation functional, representing a minor modification to the TPSS correlation functional911
TPSSloc: The TPSS correlation functional with the PBE component replaced by the PBEloc correlation functional185