The Structure of μ-Aquabis(μ-trichloroacetato)bis[aquabis(trichloroacetato)erbium(III)] Hydrate, [{Er(CCl3CO2)2(H2O)}2(CCl3CO2)2(H2O)]n·nH2O
- 1 January 1987
- journal article
- research article
- Published by Oxford University Press (OUP) in Bulletin of the Chemical Society of Japan
- Vol. 60 (1) , 408-410
- https://doi.org/10.1246/bcsj.60.408
Abstract
The structure of the title complex has been determined by the single-crystal X-ray diffraction method. A crystal of Er2C12H8O16Cl18, F. W. 1380.86 is triclinic, with the space group of P\bar1, a=12.787(8), b=15.209(7), c=11.685(7) Å, α=102.24(5), β=114.43(5), γ=70.59(4)°, Z=2 (for the dimer formula), Dx=2.36, Dm=2.34(3) Mg m−3, and μ(MoKα)=5.74 mm−1. All the carboxylate ions act as bidentate bridges, and each pair of the side-by-side metal atoms is bridged by four carboxylate ions, or by two carboxylate ions and one water-oxygen atom, alternately, forming a polymeric chain approximately parallel to the [011] axis. The chains are arrayed in layers parallel to the (100) plane, and the respective layers are separated by the trichloromethyl groups.Keywords
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