Table 3. Calculated Hirshfeld Charges (q) and Wiberg Bond Indexes for Complexes 1a, 2a, 2b, and 3c.

	Hirshfeld charges			Wiberg bond indexes
compound	q(P2)	q(P1)	q(M1)	P1—P2	P1—P1′	P1—M	P2—M
1a	0.194	0.057	0.431	1.002		0.727	0.511
2a	0.208	0.033	0.030	1.116		0.510	0.490
2b	0.205	0.004	0.043	1.093		0.556	0.479
3c′	0.193	–0.023	0.035	1.089	0.983	0.412	0.461