Table 4.

Relevant bond lengths (Å) and angles (°) for 6–8.

	6	7	8
	Ta-Ni(CNXylyl)	Ta-Pd(CNXylyl)b	Ta-Ir(CNXylyl)
M-M(Å)	2.5354(3)	2.5509(6)	2.5316(3)
FSRa	1.017	0.973	0.973
P-M (Å)	2.2068(6)	2.390(2)	2.383(2)
	2.1917(7)	2.382(2)	2.372(1)
		2.379(2)	2.405(1)
P-M-P (°)	143.11	110.69	91.43
		112.02	95.25
		135.04
M-N (Å)	2.101(2)	2.126(5)	2.114(4)
	2.096(2)	2.132(5)	2.133(6)
	2.149(2)	2.093(5)	2.134(4)
Ta-Cl (Å)	2.4371(5)	2.363(1)c	2.381 (2)c
	2.4439(6)d	2.434(2)e	2.452(1)e
M-Cl (Å)	2.3518(5)	-	2.609(1)
Torsional Angle	20.32	31.13	24.05
(P-M-M-N) (°)	20.59	7.10	17.65
		19.80	21.96
M-C (Å)	1.874(3)	2.164(6)	2.006(7)
C-N (Å)	1.159(3)	1.176(8)	1.150(9)

^aFSR = M_D/Σ(M_c): M_D = Metal-metal distance, M_c= Covalent Radii.

^bvalues given for one of two molecules in the asymmetric unit.

^Cequatorial Cl.

^dbridging Cl.

^eaxial Cl.