Table 1 Calculated properties at the CCSD/daDZ level.

From: Quantum mechanical static dipole polarizabilities in the QM7b and AlphaML showcase databases

No.

Property

Description

01

Tag

“Properties” string

02

α iso

isotropic polarizability (see Eq. (1))

03

α aniso

anisotropic polarizability (see Eq. (2))

04–09

α

polarizability tensora

10–12

μ

(unrelaxed) dipole momentb

13–18

Q

(unrelaxed) quadrupole momentc,d

19

\({E}_{{\rm{tot}}}^{{\rm{HF}}}\)

HF total energy

20

\({E}_{{\rm{ss}}}^{{\rm{MP}}2}\)

MP2 same-spin correlation energy

21

\({E}_{{\rm{os}}}^{{\rm{MP}}2}\)

MP2 opposite-spin correlation energy

22

\({E}_{{\rm{ss}}}^{{\rm{CCSD}}}\)

CCSD same-spin correlation energy

23

\({E}_{{\rm{os}}}^{{\rm{CCSD}}}\)

CCSD opposite-spin correlation energy

  1. All properties are in atomic units and are provided on the “comment line” (i.e., the second line) of a standard xyz file.
  2. a04–09: αxx, αyy, αzz, αxy, αxz, αyz.
  3. b10–12: μx, μy, μz.
  4. c13–18: Qxx, Qyy, Qzz, Qxy, Qxz, Qyz.
  5. dQ values are not provided for the ten largest molecules in the AlphaML showcase database (see text for details).