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Acta Crystallographica Section C Structural Chemistry
Article . 2025 . Peer-reviewed
License: CC BY
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Other literature type . 2025
License: http://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
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Acta Crystallographica Section C Structural Chemistry
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Ca(BF4)2·xH2O redefined from powder diffraction as hydrogen-bonded Ca(H2O)4(BF4)2 ribbons

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 19 May 2025Publisher:International Union of Crystallography (IUCr)Journal:Acta Crystallographica Section C Structural Chemistry, volume 81, pages 338-341 (eissn: 2053-2296, Copyright policy )
Authors: Armel Le Bail;

doi: 10.1107/s2053229625004395

pmid: 40387618

Ca(BF4)2·xH2O redefined from powder diffraction as hydrogen-bonded Ca(H2O)4(BF4)2 ribbons

Abstract

The crystal structure of the calcium bis(tetrafluoroborate) hydrate Ca(BF4)2·xH2O has been determined from laboratory powder diffraction data. The water molecules all belong to [CaO4F4] square antiprisms sharing F corners with [BF4] tetrahedra, forming a mono-dimensional structure of infinite ribbons interconnected by H...F and H...O hydrogen bonds. No place is found for interstitial water molecules, so that the compound has to be reformulated as Ca(H2O)4(BF4)2, which is isostructural with calcium perchlorate tetrahydrate, Ca(ClO4)2·4H2O.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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