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Issue 4, 2013
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Structure of the high-pressure phase IV of KH2PO4 (KDP)

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Abstract

The high-pressure phase IV of potassium dihydrogen phosphate (KH2PO4, KDP) has been determined at 1.62 GPa/296 K. It is monoclinic, space group P21/c, Z = 12, and on decompression transforms into monoclinic phase I. The interplay of OH⋯O bonding networks and K+ coordination types leads to an exceptionally large number of KDP polymorphs, at least 13 according to the literature.

Graphical abstract: Structure of the high-pressure phase IV of KH2PO4 (KDP)

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Publication details

The article was received on 14 Sep 2012, accepted on 01 Nov 2012, published on 01 Nov 2012 and first published online on 01 Nov 2012


Article type: Communication
DOI: 10.1039/C2DT32131A
Citation: Dalton Trans., 2013,42, 863-866
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    Structure of the high-pressure phase IV of KH2PO4 (KDP)

    W. Cai and A. Katrusiak, Dalton Trans., 2013, 42, 863
    DOI: 10.1039/C2DT32131A

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