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From: | Mathilda Robles |
Subject: | [dev-serveez] reorganize |
Date: | Thu, 5 Oct 2006 09:51:58 +0200 |
User-agent: | Thunderbird 1.5.0.7 (Windows/20060909) |
The molecule is centrosymmetric. The Ag atom is surrounded by four arsine ligands forming a distorted tetrahedral configuration. O interactions between cations are observed in the crystal structure. O hydrogen bonds link the molecules into an infinite two-dimensional network, with these networks held together by van der Waals forces to generate a layer structure. The CuII atom displays a distorted octahedral coordination with axial elongation. O hydrogen bonds, resulting in a layered structure. O interactions between cations are observed in the crystal structure. Thus, the AgI centre can be considered as being hexacoordinated. In the crystal structure, adjacent molecules are linked by Ni. O hydrogen bonds, forming a three-dimensional network. The tridentate BIPI ligand is essentially planar. O hydrogen bonds link the molecules into an infinite two-dimensional network, with these networks held together by van der Waals forces to generate a layer structure. The molecules are stacked along the b axis in a herring-bone fashion. O hydrogen bonds complete the structure. It is isostructural with the analogous CoII, NiII, CuII and ZnII compounds. A non-coordinated water molecule completes the structure. S hydrogen bonds, results in a tetranuclear complex with all Na atoms pentacoordinated. O hydrogen bonds, resulting in a layered structure. In the crystal structure, adjacent molecules are linked by Ni. The molecules are stacked along the b axis in a herring-bone fashion. The complex sits on a centre of symmetry. The complex sits on a centre of symmetry. The NiII atom is in a distorted octahedral geometry. These are connected by TBC dianions, forming a three-dimensional network. The NiII atom is in a distorted octahedral geometry. O hydrogen bonds, forming a sheet structure. One of the nitrate ligands chelates in a bidentate manner and the other is monodentate. |
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