Aquadimethylsulfoxide complexes of rare earth elements Pr, Eu, and Tm with the [Mo3S7Br7]3− cluster anion
1995
New complexes of rare earth elements [Ln(DMSO)m(H2O)n][Mo3S7Br7], Ln=Pr, Eu, Tm were synthesized and investigated by X-ray diffraction analysis. In [Pr(DMSO)6(H2O)2]3+ and [Eu(DMSO)7(H2O)]3+, the coordination polyhedra of Ln are distorted, square antiprisms (coordination number is 8); in [Tm(DMSO)6(H2O)]3+, the coordination polyhedron of Ln is a distorted pentagonal bipyramid (coordination number is 7). In all complexes, DMSO is coordinated via oxygen atoms.
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