Nitrilotris(methylenephosphonato)potassium K[mu(6)-NH(CH2PO3)(3)H-4]: Synthesis, structure, and the nature of the K-O chemical bondстатья
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Дата последнего поиска статьи во внешних источниках: 11 мая 2017 г.
Аннотация:The crystal structure of nitrilotris(methylenephosphonato)potassium K[mu(6)-NH(CH2PO3)(3)H-4]-a three-dimensional coordination polymer-was determined. The potassium atom is coordinated by seven oxygen atoms belonging to the six nearest ligand molecules, resulting in distorted monocapped octahedral coordination geometry. The complex contains the four-membered chelate ring K-O-P-O. The K-O chemical bond is predominantly ionic. Meanwhile, the bonds of the potassium atom with some oxygen atoms have a noticeable covalent component. In addition to coordination bonds, the molecules in the crystal packing are linked by hydrogen bonds