Acta Crystallographica Section C

Crystal Structure Communications

Volume 64, Part 1 (January 2008)

metal-organic compounds

gz3103 scheme

Acta Cryst. (2008). C64, m20-m22 [ doi:10.1107/S0108270107058763 ]

Two pseudopolymorphs of LiCl trimers with semicubane structures

W. Domanska-Babul, K. Baranowska and J. Pikies

Abstract: The title compounds, trichlorido( [mu] ₃-triethylphosphine oxide- [kappa] ³O:O:O)tris( [mu] ₂-triethylphosphine oxide- [kappa] ²O:O)trilithium(I) toluene solvate, [Li₃Cl₃(C₆H₁₅OP)₄]·C₇H₈, (I), and trichlorido( [mu] ₃-triethylphosphine oxide- [kappa] ³O:O:O)tris( [mu] ₂-triethylphosphine oxide- [kappa] ²O:O)trilithium(I), [Li₃Cl₃(C₆H₁₅OP)₄], (II), adopt separated semicubane structures in the solid state which are the first such structures to be reported for LiCl solvates. One triethylphosphine oxide ligand bonds via its O atom to the three Li atoms in a [mu] ₃ manner, while the other three triethylphosphine oxide ligands bridge three Li atoms in [mu] ₂ manners. The Cl atoms are in terminal instead of bridging positions, which is rather unusual for lithium chloride solvates.

Formula: [Li₃Cl₃(C₆H₁₅OP)₄]·C₇H₈ and [Li₃Cl₃(C₆H₁₅OP)₄]


	Structure factor file (CIF format) (367.1 kbytes) [ doi:10.1107/S0108270107058763/gz3103Isup2.hkl ] Contains datablock I

	Structure factor file (CIF format) (318.8 kbytes) [ doi:10.1107/S0108270107058763/gz3103IIsup3.hkl ] Contains datablock II

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