4-benzyl pyridinium dihydrogenmonophosphate C6H5CH2C5H4NHH2PO4 : Single-crystal structure and its conductivity in polycrystalline form期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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4-benzyl pyridinium dihydrogenmonophosphate C₆H₅CH₂C₅H₄NHH₂PO₄ : Single-crystal structure and its conductivity in polycrystalline form

Authors:	I Ben Djemaa T Mhiri

Institution:	^a Laboratoire d’Electrochimie et d’Environnement, ENIS, 3038 Sfax, Tunisie ^b Laboratoire de l’Etat Solide, Département de chimie, Faculté des Sciences de Sfax, 3038 Sfax, Tunisie ^c Centre d’Elaboration de Matériaux et d’Etudes Structurales, CNRS, B.P. 4347, 31055, Toulouse Cedex, France

Abstract:	The salt 4-benzyl pyridinium dihydrogenmonophosphate is monoclinic P2₁/c with the following unit cell dimensions: ; ; ; and β=97.328(11). Also, , D_x=1.403, , F(000)=560; ; and R=0.0495 and R_w=0.0964 for 3733 independent reflections. The structure consists of infinite parallel two-dimensional planes built of H₂PO₄⁻ anions and C₆H₅CH₂C₅H₄NH⁺ cations mutually connected by strong O-H ?O and N-H ?O hydrogen bonding. There are no contacts other than the normal Van der Waals interactions between the layers. The conductivity relaxation parameters associated with some H⁺ conduction have been determined from an analysis of the spectrum measured in a wide temperature range.

Keywords:	74 62 Bf 78 55 Hx
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