Reinvestigation of NH4[Co(H2O)6]PO 4 based on single-crystal data

Brahim El Bali, Rachid Essehli, Francesco Capitelli, Mohammed Lachkar

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The structure of the title compound, ammonium hexaaquacobalt(II) orthophosphate, known from powder data, has been refined based on single-crystal data. The compound crystallizes in the struvite [NH 4Mg(H2O)6PO4] structure type and is isotypic with the homologous nickel phase. The framework is built of NH 4 +, [Co(H2O)6]2+ and PO4 3- ions stacked in two kinds of ribbons parallel to (010). CoII atoms are well separated in the framework, with the shortest Co⋯Co distance being over 6 Å.

Original languageEnglish
JournalActa Crystallographica Section E: Structure Reports Online
Issue number4
Publication statusPublished - Apr 2005
Externally publishedYes


ASJC Scopus subject areas

  • Condensed Matter Physics
  • Structural Biology

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