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metal-organic compounds
The title complex, [Au(C8H17N3P)3]I4.3H2O, has the complex cation lying with its Au and associated I atom on a crystallographic threefold axis. The AuP3 moiety has distorted trigonal-planar geometry [the Au atom is 0.336 (3) Å from the P3 plane], with Au—P 2.334 (3), AuI 2.9129 (12) Å and P—Au—P 117.97 (3)°. The asymmetric unit also has one iodide ion and one water molecule in general positions, with OI distances [3.516 (2) and 3.576 (2) Å] consistent with O—HI hydrogen bonding.