Figure 11.
ORTEP diagrams showing two views of Ta(OSiPh3)5 (12) at 50% probability. H atoms are omitted for clarity. Legend: C, black; O, red; Si, yellow; Ta, gold. Selected bond lengths (Å) and angles (deg): Ta1–O1, 1.949(6); Ta1–O2, 1.914(7); Ta1–O3, 1.886(5); Ta1–O4, 1.884(5); Ta1–O5, 1.889(5); O1–Ta1-O2, 178.1(4); O3–Ta1-O4, 118.2(3); O4–Ta1-O5, 119.1(2); O3–Ta1-O5, 122.7(2).