Table 7. Selected Bond Lengths and Bond Angles from the Geometry Optimizations of Complexes 9 and the Theoretical Complex 11–Benzene.

	selected bond lengths (Å)
bonds	9 (E = Ge)	11–benzene (E = Sn)
Os–P	2.393	2.378
Os–Cl	2.439	2.445
Os–E	2.504	2.654

	selected bond angles (°)
angles	9 (E = Ge)	11–benzene (E = Sn)
P–Os–Cl	85.06	85.57
P–Os–E	94.85	94.19
Cl–Os–E	86.47	85.76