Layered poly[μ2‐aqua‐μ3‐dimethylformamide‐di‐μ3‐phenylphosphonato‐dipotassium] |
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Authors: | Má rcia R. Siquiera,Janaina T. Facco,Ernesto S. Lang,Fabiane Lorenzini,Mara R. Rizzatti,Javier Ellena,Robert A. Burrow |
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Abstract: | The first structurally characterized alkali metal phosphonate, the title compound, [K2(C6H6O3P)2(C3H7NO)(H2O)]n, has a complex structure, with layers parallel to the crystallographic bc plane consisting of two crystallographically independent K atoms sandwiched between the three types of ligands present in the structure, viz. water molecules, dimethylformamide molecules and two crystallographically independent phenylphosphonate ligands. Six O atoms coordinate to one K atom and seven to the other. The interlayer distance is 15.327 (4) Å. The K—O distances are in the range 2.739 (2)–2.932 (2) Å for the seven‐coordinate K atom and 2.650 (2)–2.821 (2) Å for the six‐coordinate K atom. |
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