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Open AccessArticle

Synthesis and X-Ray Crystal Structure of the First Pure and Air-Stable Salt of Peroxymonosulphuric Acid: (Ph)4PHSO5

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Università di Padova, Dipartimento di Chimica Organica, Centro CNR di Studio sui Meccanismi di Reazioni Organiche, Via Marzolo 1, 35131 Padova, Italia
2
Università di Padova, Dipartimento di Chimica Organica, Centro CNR di Studio sui Biopolimeri, Via Marzolo 1, 35131 Padova, Italia
*
Author to whom correspondence should be addressed.
Molecules 2000, 5(6), 886-894; https://doi.org/10.3390/50600886
Received: 10 May 2000 / Accepted: 21 June 2000 / Published: 28 June 2000
In this paper we describe the synthesis of tetraphenylphosphonium peroxymonosulphate, its crystal structure and packing mode. The asymmetric unit accomodates two independent molecules of the monopersulphate anion, which are held together by hydrogen bonds. In the packing mode, rows of such dimers are surrounded by four rows of tetraphenyl cations. The consequence is that the highly water sensitive HSO5¯ anions are segregated inside hydrophobic channels composed by the lipophilic cations. This circumstance presumably accounts for the exceptional stability of the title compound. View Full-Text
Keywords: Monopersulphate; X-Ray Crystallography; Oxidation Monopersulphate; X-Ray Crystallography; Oxidation
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Campestrini, S.; Crisma, M. Synthesis and X-Ray Crystal Structure of the First Pure and Air-Stable Salt of Peroxymonosulphuric Acid: (Ph)4PHSO5. Molecules 2000, 5, 886-894.

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