Table 1. Selected Average Lengths (Å) and Angles (deg) for Tantalum(IV) Hydride Complexes.

	1	1Br	2	2Br	3Br
Ta–Ta	2.813(1)	2.840(2)	2.758(1)	2.753(2)	2.764(1)
Ta–H1	2.0(2)	1.960(1)	1.859(1)	1.86(2)	1.84(1)
Ta–H1a/2	1.8(2)	1.621(1)	1.656(1)	1.66(2)	1.85(1)
Ta–Cl/Br	2.36(1)	2.510(1)	2.354(9)	2.502(6)	2.503(8)
Ta–H–Ta	97(2)	104.5(1)	103.2(1)	102.5(5)	96.9(7)
Cl/Br–Ta–Cl/Br	100.0(2)	99.3(1)	101.5(3)	101.0(5)	101.5(1)