Fig. 9
From: Multiyne chains chelating osmium via three metal-carbon σ bonds

X-ray molecular structure of complex 9 drawn with 50% probability. Phenyl groups in PPh3 are omitted for clarity. Selected bond distances (Å) and bond angles (deg): Os–C1 2.019(7), Os–C4 2.153(7), Os–C5 2.220(7), C1–C2 1.373(11), C2–C3 1.524(11), C3–C4 1.480(10), C3–O1 1.397(10), C4–C5 1.248(12), C5–C8 1.473(12), C8–C9 1.546(12), C9–C10 1.532(16), C10–C11 1.565(16), C6–C11 1.487(19), C6–C7 1.28(2), Os–C1–C2 126.0(6), C1–C2–C3 114.4(6), C2–C3–C4 104.6(6), C2–C3–O1 112.4(7), C3–C4–Os 122.4(5), C1–Os–C4 72.6(3), Os–C4–C5 76.4(5), C4–C5–Os 70.5(4), C4–Os–C5 33.1(3), Os–C5–C8 135.4(6), C11–C6–C7 177.6(14)