Abstract
In the structure of the title coordination polymer, {(C8H20N)[Sn3(CH3)9(SO4)2]}n, each of the three SnIV atoms is coordinated in a trigonal–bipyramidal manner by three methyl groups in the equatorial plane and by two O atoms of SO4 2− anions in the axial positions. The μ3-bridging mode of the sulfate anions leads to the formation of corrugated anionic layers parallel to (100). The uncoordinating O atom of one of the two SO4 2− anions is N—H⋯O hydrogen-bonded to the dibutylammonium cation interconnecting the anionic sheets. The structure is partially disordered. The dibutyl ammonium ion is found on two positions with an occupancy ratio of 0.525 (10):0.475 (10), and one sulfate group with three connecting trimethyl stannyl groups is also positionally disordered over two sets of sites with an occupancy ratio of 0.725 (4):0.275 (4).
Highlights
{(C8H20N)[Sn3(CH3)9(SO4)2]}n, each of the three SnIV atoms is coordinated in a trigonal–bipyramidal manner by three methyl groups in the equatorial plane and by two O atoms of
The 3-bridging mode of the sulfate anions leads to the formation of corrugated anionic layers parallel to (100)
The uncoordinating O atom of one of the two SO42 anions is N—H O hydrogen-bonded to the dibutylammonium cation interconnecting the anionic sheets
Summary
Key indicators: single-crystal X-ray study; T = 173 K; mean (S–O) = 0.002 Å; disorder in main residue; R factor = 0.020; wR factor = 0.045; data-to-parameter ratio = 15.6. {(C8H20N)[Sn3(CH3)9(SO4)2]}n, each of the three SnIV atoms is coordinated in a trigonal–bipyramidal manner by three methyl groups in the equatorial plane and by two O atoms of SO42 anions in the axial positions. The 3-bridging mode of the sulfate anions leads to the formation of corrugated anionic layers parallel to (100). The uncoordinating O atom of one of the two SO42 anions is N—H O hydrogen-bonded to the dibutylammonium cation interconnecting the anionic sheets. The dibutyl ammonium ion is found on two positions with an occupancy ratio of. 0.525 (10):0.475 (10), and one sulfate group with three connecting trimethyl stannyl groups is positionally disordered over two sets of sites with an occupancy ratio of
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