Fig. 8. Molecular structure and numbering scheme of 9. Displacement ellipsoids are drawn at the 40% level. H atoms are omitted; T = 100 K. Important bond lengths (pm) and angles (°): P1–P2 219.93(9), W1–P1 252.94(7), P1–C1 177.9(2), P1–C10 182.3(2), P2–C8 185.2(2), P2–C31 182.5(3), C7–C8 134.8(3), C9–C10 135.0(3), C1–P1–C10 92.1(1), C1–P1–P2 100.64(8), C8–P2–P1 95.61(8).
