Table 5. Binding (E_b) and Interaction Energies (E_int) (kcal/mol) of ZF₃ Complexes with a Pair of HCN and CN^– Units Calculated at the MP2/aug-cc-pVDZ (I) and CCSD(T)/aug-cc-pVDZ (II) Levels of Theory^a.

	Eb		Eint
	(I)	(II)	(I)	(II)
(HCN)2···ZF3
(HCN)2···PF3	–4.57	–4.14	–4.70	–4.19
(HCN)2···AsF3	–7.19	–6.50	–7.51	–6.70
(HCN)2···SbF3	–10.48	–9.48	–11.06	–9.93
(HCN)2···BiF3	–13.85	–12.86	–14.57	–13.44
(H3N)2···PF3
(H3N)2···PF3	–7.70	–7.74	–8.66	–8.60
(H3N)2···AsF3	–12.90	–12.61	–14.88	–14.49
(H3N)2···SbF3	–20.22	–19.68	–23.28	–22.68
(H3N)2···BiF3	–24.46	–24.00	–27.45	–26.93
(NC–)2···ZF3
(NC–)2···SbF3	10.80	13.06	–4.29	–1.84
(NC–)2···BiF3	–0.63	0.86	–12.92	–11.28

^aAll values corrected for BSSE.