For the AB4 T-4 E-mode configuration space, we name the seven distinct polytope species using the following conventions based upon assigning distinct indices 1 to 4 to the four B-atoms and using these as priorities following Cahn-Ingold-Prelog priority rules: T-4-X with X = R or S as given in the IUPAC "Red Book" section IR-9.3.4.2.