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Strontium disodium hexa-thio-diphosphate(IV) octa-hydrate.


ABSTRACT: The crystal structure of SrNa(2)(P(2)S(6))·8H(2)O is isotypic with that of its calcium analogue. The asymmetric unit consists of one Sr(2+) cation (2 symmetry), two Na(+) cations (2 and symmetry, respectively), one-half of a centrosymmetric (P(2)S(6))(4-) anion with a staggered confirmation and four water mol-ecules. The crystal structure is built up from layers of cations and anions extending parallel to (101). Each SrO(8) polyhedron is connected via edge-sharing to two NaO(4)S(2) octa-hedra and to one NaO(2)S(4) octa-hedron. The NaO(4)S(2) octa-edra are, in turn, connected with two (P(2)S(6))(4-) anions through common corners. Adjacent layers are held together by several O-H?S hydrogen-bonding inter-actions.

SUBMITTER: Ehrhardt C 

PROVIDER: S-EPMC3007201 | biostudies-other | 2010

REPOSITORIES: biostudies-other

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Strontium disodium hexa-thio-diphosphate(IV) octa-hydrate.

Ehrhardt Claus C   Gjikaj Mimoza M  

Acta crystallographica. Section E, Structure reports online 20100703 Pt 8


The crystal structure of SrNa(2)(P(2)S(6))·8H(2)O is isotypic with that of its calcium analogue. The asymmetric unit consists of one Sr(2+) cation (2 symmetry), two Na(+) cations (2 and symmetry, respectively), one-half of a centrosymmetric (P(2)S(6))(4-) anion with a staggered confirmation and four water mol-ecules. The crystal structure is built up from layers of cations and anions extending parallel to (101). Each SrO(8) polyhedron is connected via edge-sharing to two NaO(4)S(2) octa-hedra an  ...[more]

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