quemb.kbe.lo_k.get_xovlp_k

quemb.kbe.lo_k.get_xovlp_k(cell, kpts, basis='sto-3g')

Gets set of valence orbitals based on smaller (should be minimal) basis

Parameters:
  • cell – pyscf cell object, just need it for the working basis

  • basis – the IAO basis, Knizia recommended ‘minao’

Returns:

S12 - Overlap of two basis sets, S22 - Overlap in new basis set

Return type:

tuple