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Potassium penta-borate.

ABSTRACT: The title compound, K[B(5)O(7)(OH)(2)], was obtained from a hydro-thermal reaction. The structure is composed of one K(+) cation and a polyborate (1) (∞)[B(5)O(7)(OH)(2)](-) anion, which consists of two six-membered rings linked by a common BO(4) tetra-hedron. The [B(5)O(7)(OH)(2)](-) units are linked together through two exocyclic O atoms to neighbouring units, forming a helical chain structure extending parallel to [010]. Adjacent chains are further connected into a three-dimensional structure by K-O bonds and weak O-H⋯O hydrogen-bond inter-actions.

SUBMITTER: Wu Q

PROVIDER: S-EPMC3246912 | biostudies-literature |

REPOSITORIES: biostudies-literature

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