Tris(triphenylsilanolato)arsenite(III)

The title compound, [As(C₁₈H₁₅OSi)₃], contains a trigonal pyramidal AsO₃ unit bonded to three tetrahedral SiPh₃ groups. Principal dimensions include mean As-O 1.746 (14), mean Si-O 1.646 (6) Å, O-As-O 96.70 (8)-99.42 (9), As-O-Si 133.15 (10)-146.94 (11), O-Si-C 104.44 (10)-111.67 (9)°.

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