Me₃CF^2-:

• NBO: Rydberg Pop. 1.186e. Bond index F 0.853, C 3.977, C(Me) 4.051, H(*3) 1.332.^‡
• ELF: Basin exo to F-C bond, 1.663e.
  • A hypervalent H...H...H region.

History of topic and FAIR Data: 10.14469/hpc/3372. ^‡cf 0.724 in FHF^1- or 0.988 in diborane.