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Crystal structure of poly[μ-aqua-bis(μ.sub.3./sub.-2-methylpropanoato-κ.sup.4./sup.O:O,O':O')dipotassium]

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    0533514 - FZÚ 2021 RIV GB eng J - Článek v odborném periodiku
    Fábry, Jan - Samoľová, Erika
    Crystal structure of poly[μ-aqua-bis(μ3-2-methylpropanoato-κ4O:O,O':O')dipotassium].
    Acta Crystallographica Section E-Crystallographic Communications. Roč. 76, Oct (2020), s. 1669-1674. ISSN 2056-9890. E-ISSN 2056-9890
    Grant CEP: GA MŠMT(CZ) LO1603
    Institucionální podpora: RVO:68378271
    Klíčová slova: methylpropanoate * metal–organic framework compounds * Cambridge Structural Database * crystal structure
    Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.)
    Způsob publikování: Open access

    The structure of the title compound, [K2(C4H7O2)2(H2O)]n, is composed of stacked sandwiches, which are formed by cation–oxygen bilayers surrounded by methylethyl hydrophobic chains. These sandwiches are held together by van der Waals interactions between the methylethyl groups. The methylethyl groups are disordered over two positions with occupancies 0.801 (3):0.199 (3). The potassium cations are coordinated by seven O atoms, which form an irregular polyhedron. There is a water molecule, the oxygen atom of which is situated in a special position on a twofold axis. The water H atoms are involved in Owater—H...Ocarboxyl hydrogen bonds of moderate strength. These hydrogen bonds are situated within the cation–oxygen, i.e. hydrophilic, bilayer.

    Trvalý link: http://hdl.handle.net/11104/0311889

     
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