P4O7S was synthesized for the first time and characterized by X-ray st
ructure determination (single-crystal methods) and P-31-n.m.r. (soluti
on and MAS-solid) (P $($) over bar$$ 1; a = 687.2(1); b = 718.2(1); c
= 809.1(1) pm; alpha = 92.58(1)degrees; beta = 104.43(1)degrees; gamma
= 94.82(2)degrees; 2907 diffractometer data; R(1) = 0.030; wR(2) = 0.
102). The different influences of terminally bound oxygen and sulfur o
n the geometry of the P4O6 cage are discussed.