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Catena-Poly[[diaqua-calcium]bis-[?-2-(1,3-dioxoisoindolin-2-yl)acetato]-?O,O':O;?O:O,O'].

ABSTRACT: In the title complex, [Ca(C(10)H(6)NO(4))(2)(H(2)O)(2)](n), the Ca(II) atom lies on a twofold rotation axis and adopts a dodeca-hedral geometry. The Ca(II) atom is octa-coordinated by two O atoms from two water mol-ecules and six O atoms from four acetate ligands. Each acetate acts as a tridentate ligand bridging two Ca(II) atoms, resulting in a chain running along the c axis. O-H?O and C-H?O hydrogen bonds connect the chains into a two-dimensional network parallel to [011]. ?-? inter-actions between adjacent isoindoline-1,3-dione rings [centroid-centroid distance = 3.4096?(11)?Å] further consolidate the structure. One of the carboxylate O atoms is disordered over two sites in a 0.879?(12):0.121?(12) ratio.

SUBMITTER: Bhatti MH

PROVIDER: S-EPMC3212173 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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catena-Poly[[diaqua-calcium]bis-[μ-2-(1,3-dioxoisoindolin-2-yl)acetato]-κO,O':O;κO:O,O'].

Bhatti Moazzam H MH Yunus Uzma U Saeed Sohail S Shah Syed Raza SR Wong Wing-Tak WT

Acta crystallographica. Section E, Structure reports online 20110716 Pt 8

In the title complex, [Ca(C(10)H(6)NO(4))(2)(H(2)O)(2)](n), the Ca(II) atom lies on a twofold rotation axis and adopts a dodeca-hedral geometry. The Ca(II) atom is octa-coordinated by two O atoms from two water mol-ecules and six O atoms from four acetate ligands. Each acetate acts as a tridentate ligand bridging two Ca(II) atoms, resulting in a chain running along the c axis. O-H⋯O and C-H⋯O hydrogen bonds connect the chains into a two-dimensional network parallel to [011]. π-π inter-actions be ...[more]

PMID: 22090875

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