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Crystal structure of the deuterated hepta­hydrate of potassium phosphate, K3PO4·7D2O.


ABSTRACT: Deuterated potassium orthophosphate hepta­hydrate, K3PO4·7D2O, crystallizes in the Sohnke space group P21, and its absolute structure was determined from 2017 Friedel pairs [Flack parameter 0.004?(16)]. Each of the three crystallographically unique K+ cations is surrounded by six water mol­ecules and one oxygen atom from the orthophosphate group, using a threshold for K—O bonds of 3.10?Å. The highly irregular coordination polyhedra are linked by corner- and edge-sharing into a three-dimensional network that is consolidated by an intricate network of O—D?O hydrogen bonds of medium strength.

SUBMITTER: Weil M 

PROVIDER: S-EPMC7001839 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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