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 1992878
VWN5 (VWN): Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #51167
srVWN: Short-range version of the VWN correlation functional by Toulouse and coworkers1128
Liu-Parr: Liu-Parr model from the functional expansion formulation708
PK09: Proynov-Kong parameterization of the LSDA correlation energy from 2009929
PW92RPA: Perdew-Wang parameterization of the LSDA correlation energy from 1992 with RPA values878
srPW92: Short-range version of the PW92 correlation functional by Paziani and coworkers864
PZ81: Perdew-Zunger parameterization of the LSDA correlation energy from 1981879
VWN1: Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #11167
VWN1RPA: Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #1 with RPA values1167
VWN2: Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #21167
VWN3: Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #31167
VWN4: Vosko-Wilk-Nusair parameterization of the LSDA correlation energy #41167
Generalized Gradient Approximation (GGA)
PBE: Perdew, Burke, and Ernzerhof correlation functional867
LYP: Lee-Yang-Parr opposite-spin correlation functional648
P86: Perdew-Wang correlation functional from 1986 based on the PZ81 LSDA functional880
P86VWN5: Perdew-Wang correlation functional from 1986 based on the VWN5 LSDA functional880
PBEloc: PBE correlation functional with a modified beta term by Della Sala and coworkers218
PBEsol: PBE correlation functional modified for solids872
PW91: Perdew-Wang correlation functional from 1991868
regTPSS: Slight modification of the PBE correlation functional (also called vPBEc)984
Meta-Generalized Gradient Approximation (meta-GGA)
TPSS:Tao, Perdew, Staroverov, and Scuseria correlation functional1112
revTPSS: Revised version of the TPSS correlation functional871
B95: Becke’s two-parameter correlation functional from 199580
oTPSS: TPSS correlation functional with 2 refit parameters (for use with oTPSS exchange) by Grimme and coworkers377
PK06: Proynov-Kong “tLap” functional with and Laplacian dependence927
PKZB: Perdew, Kurth, Zupan, and Blaha correlation functional869
SCAN: Strongly Constrained and Appropriately Normed correlation functional1098
TM: Tao-Mo correlation functional, representing a minor modification to the TPSS correlation functional1111
TPSSloc: The TPSS correlation functional with the PBE component replaced by the PBEloc correlation functional218