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Tetra-aqua-bis-(1,10-phenanthroline-?N,N')strontium 5,5'-diazene-diyl-ditetra-zolide.


ABSTRACT: The title complex, [Sr(C(12)H(8)N(2))(2)(H(2)O)(4)](C(2)N(10)), contains an [Sr(phen)(2)(H(2)O)(4)](2+) cation (phen is 1,10-phenanthroline) and a 5,5'-diazenediylditetra-zolide anion (site symmetry 2). The Sr(2+) cation (site symmetry 2) is coordinated by four N atoms from two chelating phen and four water mol-ecules. In the crystal structure, the water mol-ecules and the N atoms in the tetra-zolide rings form an extensive range of O-H?N hydrogen bonds which link the complex into a two-dimensional structure. An adjacent layer further yields a three-dimensional supramolecular network by offset face-to-face ?-? stacking inter-actions of the phen ligands [with centroid-centroid distances of 3.915?(2) and 4.012?(2)?Å]. The two bridging N atoms of the anion are equally disordered about the twofold rotation axis.

SUBMITTER: Jiao BJ 

PROVIDER: S-EPMC3009233 | BioStudies | 2010-01-01T00:00:00Z

REPOSITORIES: biostudies

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