Organotin(IV) selenate derivatives - Crystal structure of [{(Ph3Sn)(2)SeO4} center dot CH3OH](n)

Crystallization of [(Ph3Sn)(2)SeO4] center dot 1.5H(2)O](n) in methanol leads to the formation of [{(Ph3Sn)(2)SeO4} center dot CH3OH](n) (1) which constitutes a new specimen of organotin(IV) selenate derivatives. In the solid state, complex 1 is arranged in polymeric zig-zag chains, composed of alternating Ph3Sn and SeO4 groups. In addition, pendant Ph3Sn center dot CH3OH moieties are branched along chains according to a syndiotactic organization and via Sn-O-Se connections. From a supramolecular point of view, intermolecular hydrogen bonds established between the selenate groups (uncoordinated oxygen) and the hydroxyl functions (CH3OH) of the pendant groups link the chains together.