Abstract
A novel polyoxometalate compound consisting of Anderson-type anions and trivalent lanthanide cations, [Er2(H2O)14Cr(OH)6Mo6O18][Cr(OH)6Mo6O18]·14H2O (1), has been synthesized in aqueous solution and characterized by single crystal X-ray diffraction, elemental analyses, IR spectrum and TG analyses. Single crystal X-ray diffraction reveals that compound 1 crystallizes in the triclinic space group P-1 with a = 11.046 (5) Å, b = 11.653 (5) Å, c = 13.935 (5) Å, α = 75.006 (5)°, β = 84.497(5)°, γ = 89.515(5)°. The bulk ions of compound 1 in the cell unit exhibit orthorhombic C-centered packing mode, the eight [Cr(2)(OH)6Mo6O18]3− anions occupy the eight corners and the two [Er2(H2O)14Cr(OH)6Mo6O18]3+ cations occupy the centres of two opposite faces, whereas anions and cations are linked together via hydrogen bonding interactions tightly forming a three-dimensional supramolecular architecture, which contains one-dimensional channels occupied by free water molecules.
Index Abstract
The bulk ions of compound 1 in the cell unit exhibit orthorhombic C-centered packing mode, the eight [Cr(2)(OH)6Mo6O18]3− anions occupy the eight corners and the two [Er2(H2O)14Cr(OH)6Mo6O18]3+ cations occupy the centres of two opposite faces, whereas anions and cations are linked together via hydrogen bonding interactions tightly forming a three-dimensional supramolecular architecture, which contains one-dimensional channels occupied by free water molecules.
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Shi, D., Hu, M., Zhang, C. et al. Synthesis and Structure of a Novel Polyoxomolybdate Lanthanide Complex: [Er2(H2O)14Cr(OH)6Mo6O18][Cr(OH)6Mo6O18] · 14H2O. J Chem Crystallogr 38, 695–700 (2008). https://doi.org/10.1007/s10870-008-9378-y
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DOI: https://doi.org/10.1007/s10870-008-9378-y