Poly[tetraaquadi‐μ3‐malonato‐cobalt(II)calcium(II)]
Identifieur interne : 000853 ( Main/Exploration ); précédent : 000852; suivant : 000854Poly[tetraaquadi‐μ3‐malonato‐cobalt(II)calcium(II)]
Auteurs : Assia Djeghri ; Fadila Balegroune ; Achoura Guehria Laidoudi ; Loic ToupetSource :
- Acta Crystallographica Section C [ 0108-2701 ] ; 2006-04.
Abstract
The structure of the polymeric title compound, [CaCo(C3H2O4)2(H2O)4]n, consists of CaO8 and CoO6 polyhedra linked together by malonate groups. The Co atom lies on a centre of symmetry in an octahedral arrangement, and is coordinated by four malonate O atoms in a planar arrangement and two water molecules in a trans conformation. The geometry around the Ca atom, which lies on a twofold axis, may be described as a distorted square antiprism, which involves two water molecules and six malonate O atoms. The Co—O and Ca—O bond lengths are in the ranges 2.0711 (12)–2.1004 (14) and 2.3775 (12)–2.6329 (12) Å, respectively.
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DOI: 10.1107/S0108270106003866
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C</title><idno type="ISSN">0108-2701</idno><idno type="eISSN">1600-5759</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>5 Abbey Square, Chester, Cheshire CH1 2HU, England</pubPlace><date type="published" when="2006-04">2006-04</date><biblScope unit="volume">62</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="126">m126</biblScope><biblScope unit="page" to="128">m128</biblScope></imprint><idno type="ISSN">0108-2701</idno></series><idno type="istex">74C9DC2607BD03F6BB5B2D776588A28C1E2B2BD5</idno><idno type="DOI">10.1107/S0108270106003866</idno><idno type="ArticleID">AYCHJ1082</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0108-2701</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The structure of the polymeric title compound, [CaCo(C3H2O4)2(H2O)4]n, consists of CaO8 and CoO6 polyhedra linked together by malonate groups. The Co atom lies on a centre of symmetry in an octahedral arrangement, and is coordinated by four malonate O atoms in a planar arrangement and two water molecules in a trans conformation. The geometry around the Ca atom, which lies on a twofold axis, may be described as a distorted square antiprism, which involves two water molecules and six malonate O atoms. 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