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[dev-serveez] reorganize


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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