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Bis(1-ammonio-ethane-1,1-diyl-diphos-phonato-?O,O')diaqua-cobalt(II) nona-hydrate.

ABSTRACT: In the title compound, [Co(C(2)H(8)NO(6)P(2))(2)(H(2)O)(2)]·9H(2)O, the Co(II) atom has a slightly distorted octa-hedral coordination environment consisting of four deprotonated phospho-nate O atoms of two independent 1-amino-ethyl-idendiphospho-nate anions and complemented by the O atoms of two water mol-ecules in cis positions. The anions exists in the zwitterionic form (protonated amino group and two deprotonated phospho-nate O atoms) and constitute two six-membered chelate rings. The crystal structure also contains nine partly disordered uncoordinated water mol-ecules, which create an extensive three-dimensional network of strong O-H?O and N-H?O hydrogen bonds.

SUBMITTER: Bon VV

PROVIDER: S-EPMC2979193 | biostudies-literature | 2010 Apr

REPOSITORIES: biostudies-literature

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Bis(1-ammonio-ethane-1,1-diyl-diphos-phonato-κO,O')diaqua-cobalt(II) nona-hydrate.

Bon Vladimir V VV Dudko Anatolij V AV Kozachkova Alexandra N AN Pekhnyo Vasily I VI Tsaryk Natalia V NV

Acta crystallographica. Section E, Structure reports online 20100417 Pt 5

In the title compound, [Co(C(2)H(8)NO(6)P(2))(2)(H(2)O)(2)]·9H(2)O, the Co(II) atom has a slightly distorted octa-hedral coordination environment consisting of four deprotonated phospho-nate O atoms of two independent 1-amino-ethyl-idendiphospho-nate anions and complemented by the O atoms of two water mol-ecules in cis positions. The anions exists in the zwitterionic form (protonated amino group and two deprotonated phospho-nate O atoms) and constitute two six-membered chelate rings. The crystal ...[more]

PMID: 21579029

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