Compositions (in%) of selected HOMO and LUMO states in the example complexes expressed in respective fragments. L_B and L_M stand for bidentate and monodentate ligands, respectively^a.

Complex	MO	Re	CO	LB	LM
1	LUMO	3	3	93	1
	HOMO	12	9	78	1
	HOMO-1	57	30	7	6
	HOMO-2	58	32	9	1
4	LUMO	3	3	93	1
	HOMO	12	9	77	2
	HOMO-1	42	22	6	30
	HOMO-2	60	32	7	1

^aCalculations performed at the TD-PBE0/def2-TZVP/ECP(Re)/IEFPCM (methanol) level.