The structure of potassium fluoride dihydrate

Anderson, Thomas; Lingafelter, E. C.

doi:10.1107/s0365110x51000520

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1964

2018

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Cited by 10 publications

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“…In KHgBr3HzO it appears that each of the two lone pairs are directed towards the monovalent metal ion potassium, as in LiK2P3OgH20 (Eanes & Ondik, 1962) and KF. 2H20 (Anderson & Lingafelter, 1951). The potassium ion has three oxygen atoms and two bromine atoms distributed in an irregular fashion around it at distances ranging from 3.02 to 3.46 A.…”

Section: Discussionmentioning

confidence: 99%

The crystal structure of potassium mercuric tribromide monohydrate, KH₉Br₃.H₂O

Padmanabhan¹,

Yadava²

1969

Acta Crystallogr Sect B

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The crystal structure of potassium mercuric tribromide monohydrate has been determined by X-ray diffraction techniques. The structure consists of four molecules linked by hydrogen bonds and van der Waals forces, in a unit cell of Cmc21 symmetry, and of dimensions a=4.37, b= 16-87 and c= 10.14/~. The mercury atom is surrounded by four bromine atoms in an irregular tetrahedron. The bromine atoms at x = ½ and-½ are shared, resulting in a zigzag chain of Br-Hg-Br-Hg atoms along the a axis. The other bromine atoms are held by hydrogen bonds of the water molecule.

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Section: Discussionmentioning

confidence: 99%