Reference data scalar quantities, such as dipole moment, heat of formation, and ionization potential are defined using these keywords.
Units: Dipole: Debye, Heats of formation: Kcal/mol, I.P.: electron volts.
Example using water
SYMMETRY Water I=12.62 D=1.85 H=-57.8 HR=JANAF86 DR=NLM1967 IR=TBBB1970 H 0.00000000 +0 0.0000000 +0 0.0000000 +0 O 0.94908848 +1 0.0000000 +0 0.0000000 +0 1 0 0 H 0.94908848 +0 107.5378048 +1 0.0000000 +0 2 1 0 2 1 3