Mixed crystal of bis­(ammonium/oxonium) tetra­aqua-μ3-fluorido-dodeca­kis­(μ2-tri­fluoro­acetato)octa­hedro-hexa­ytterbiate(III) tetra­hydrate, [(NH4)1–x(H3O)x]2[Yb6F8(O2CCF3)12(H2O)4]·4H2O (x = 1/4), containing a hexa­nuclear ytterbium(III) carboxyl­ate complex with face-capping fluoride ligands and comprising an unusual kind of substitutional disorder

Morsbach, F.; Frank, W.

doi:10.1107/S2056989022004790

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 4
Sections of the extended hydrogen-bonded supramolecular network of the title compound, with the cation partial occupation site occupied by NH₄⁺ (a) and H₃O⁺ (b). For the sake of clarity, only Yb1, Yb2, Yb3, some symmetry-related Yb atoms, and F, O and H atoms involved in hydrogen bonds are labeled. [Symmetry codes: (i) −x + $[{1\over 2}]$ , y + $[{1\over 2}]$ , −z + $[{1\over 2}]$ ; (ii) −x + 1, −y + 2, −z + 1; (iii) x + $[{1\over 2}]$ , −y + $[{3\over 2}]$ , z + $[{1\over 2}]$ ; (iv) −x + 2, −y + 1, −z + 1; (v) x + 1, y, z; (vi) −x + 1, −y + 1, −z + 1].

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 78| Part 6| June 2022| Pages 608-614

https://doi.org/10.1107/S2056989022004790

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