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Updated: May 7, 2026

Compact Quantum Dots for Single-molecule Imaging
Published on: October 9, 2012
Poly[tetra-butyl-ammonium [chlorido-hexa-methyl-μ3-sulfato-distannate(IV)]]
Tidiane Diop1, Arie van der Lee, Mamadou Sidibé
1Laboratoire de Chimie Minérale et Analytique, Département de Chimie, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, Dakar, Senegal.
Abstract:
In the structure of the title coordination polymer, {(C16H36N)[Sn2(CH3)6Cl(SO4)]} n , the two independent Sn(IV) atoms are coordinated in a trigonal-bipyramidal manner by three methyl groups in the equatorial plane and in the axial positions by either two O atoms of bridging SO4 (2-) anions or by a Cl atom and one O atom of a bridging SO4 (2-) anion, respectively. The [Sn2(CH3)6Cl(SO4)](-) anion forms an infinite zigzag chain parallel to the c axis. The cations are situated between these chains. Two of the four butyl groups of the cation are partially disordered over two sets of sites with site occupancies of 0.79 (2):0.21 (2) and 0.75 (2):0.25 (2), respectively. Weak C-H⋯O hydrogen-bonding inter-actions help to consolidate the crystal packing.
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