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The crystal and molecular structure of mercury(II) bis(isopropyl)dithiophosphate, Hg[S2P(OPri)2]2, revisited: new comments about its supramolecular self-organization

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Abstract

The crystal structure of the title compound, Hg[S2P(OPri)2]2, has been determined by single-crystal X-ray diffraction. The compound crystallizes in the centrosymmetric P21/c space group with a = 11.800(1), b = 8.925(2), c = 22.167(2) Å, β = 94.988(7)°, and Z = 4. The same compound has been previously reported but the structure is described there in the space group C2/c. In both cases, one phosphorodithioate moiety acts as a chelating group and the other as a bridging group between neighboring mercury atoms (related to one another by the twofold screw axis), giving rise to an infinite polymer along the direction of the b axis. It turns out that in spite of the difference in space group symmetry, the structures are remarkable similar in that they are formed from infinite polymers of similar geometry. The coordination around the Hg ion shows, however, significant differences, mainly for the bridging Hg—S(4) bond length, which is 0.16 Å smaller than that previously reported.

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Authors and Affiliations

  1. Facultad de Farmacia, Departamento de Química Inorgánica, Universidad de Santiago de Compostela, 15706, Santiago de Compostela, Spain

    José S. Casas

  2. Instituto de Física de Sa~o Carlos, Departamento de Física e Informatica, Universidade de Sa~o Paulo, C. P. 369, 13560, Sa~o Carlos (SP), Brazil

    Eduardo E. Castellano & Javier Ellena

  3. Facultatea de Chimie, Universitatea “Babes-Bolyai,”, RO-3400, Cluj-Napoca, Romania

    Ionel Haiduc

  4. Facultad de Farmacia, Departamento de Química Inorgánica, Universidad de Santiago de Compostela, 15706, Santiago de Compostela, Spain

    Agustín Sánchez & José Sordo

Authors
  1. José S. Casas
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  2. Eduardo E. Castellano
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  3. Javier Ellena
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  4. Ionel Haiduc
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  5. Agustín Sánchez
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  6. José Sordo
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Casas, J.S., Castellano, E.E., Ellena, J. et al. The crystal and molecular structure of mercury(II) bis(isopropyl)dithiophosphate, Hg[S2P(OPri)2]2, revisited: new comments about its supramolecular self-organization. Journal of Chemical Crystallography 29, 831–836 (1999). https://doi.org/10.1023/A:1009508122842

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  • DOI: https://doi.org/10.1023/A:1009508122842

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