Table 1.

L–M–L angle [°] and linearization energy ΔE_lin [kcal mol⁻¹] in dicoordinate d¹⁰-ML₂ complexes^[a]

Group 9			Group 10			Group 11
	L–M–L	ΔElin[b]		L–M–L	ΔElin[b]		L–M–L	ΔElin[b]
Co(NH3)2−	180.0	0	Ni(NH3)2	180.0	0	Cu(NH3)2+	180.0	0
Co(PH3)2−	131.8	6.4	Ni(PH3)2	180.0	0	Cu(PH3)2+	180.0	0
Co(CO)2−	128.6	19.9	Ni(CO)2	144.5	2.1	Cu(CO)2+	180.0	0
Rh(NH3)2−	180.0	0	Pd(NH3)2	180.0	0	Ag(NH3)2+	180.0	0
Rh(PH3)2−	141.2	2.0	Pd(PH3)2	180.0	0	Ag(PH3)2+	180.0	0
Rh(CO)2−	130.8	10.2	Pd(CO)2	155.6	0.5	Ag(CO)2+	180.0	0
Ir(NH3)2−	180.0	0	Pt(NH3)2	180.0	0	Au(NH3)2+	180.0	0
Ir(PH3)2−	144.1	2.4	Pt(PH3)2	180.0	0	Au(PH3)2+	180.0	0
Ir(CO)2−	134.2	13.4	Pt(CO)2	159.0	0.6	Au(CO)2+	180.0	0

[a] Computed at ZORA-BLYP/TZ2P. [b] Relative energy of the linear ML₂ complex relative to its equilibrium geometry.