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Crystal structure of lanthanum potassium octacyanomolybdate(IV) nonahydrate

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Abstract

The crystal structure of KLaMo(CN)8 · 9H2O was determined from X-ray diffraction data. The crystals are monoclinic, space group P21/c, a = 8.7451(4), b = 25.2761(13), c = 10.6744(5) Å, β = 117.059(3)°, V = 2101.22(17) Å3, Z = 4, ρ(calcd) = 2.037 g/cm3, R = 0.0242, wR 2 = 0.0500 for 5656 independent reflections. The coordination polyhedra of the Mo, La, and K atoms are the tetragonal antiprism [Mo(CN)8], the monocapped tetragonal antiprism [La(NC)4(OH2)5], and the strongly distorted monocapped trigonal prism [K(NC)3(OH2)4], respectively. The La and K atoms are N-linked by seven bridging cyano groups to form double layers with two sandwiched uncoordinated water molecules and the sandwiched terminal CN group. The complex can be formulated as “[K(H2O)2][La(H2O)5][Mo(CN)8]” n · 2nH2O.

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Authors and Affiliations

  1. National University “Lvovskaya Politekhnika”, Lviv, Ukraine

    I. V. Typilo, O. A. Sereda & D. I. Semenyshyn

  2. Institute of Microtechnique, Neuchatel University, Neuchatel, Switzerland

    H. Stoeckli-Evans

  3. Franko National University, Kirila i Mefodiya 6, Lviv, 290005, Ukraine

    R. E. Gladyshevskii

Authors
  1. I. V. Typilo
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  2. O. A. Sereda
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  3. H. Stoeckli-Evans
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  4. R. E. Gladyshevskii
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  5. D. I. Semenyshyn
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Correspondence to D. I. Semenyshyn.

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Original Russian Text © I.V. Typilo, O.A. Sereda, H. Stoeckli-Evans, R.E. Gladyshevskii, D.I. Semenyshyn, 2009, published in Koordinatsionnaya Khimiya, 2009, Vol. 35, No. 12, pp. 933–937.

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Typilo, I.V., Sereda, O.A., Stoeckli-Evans, H. et al. Crystal structure of lanthanum potassium octacyanomolybdate(IV) nonahydrate. Russ J Coord Chem 35, 920–924 (2009). https://doi.org/10.1134/S1070328409120112

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  • DOI: https://doi.org/10.1134/S1070328409120112

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