Synthesis and Crystal Structure of di-p-Methyl pyridinium-p-methylpyridinidine Hexatungstate

高等学校化学研究 ›› 1999, Vol. 15 ›› Issue (3): 205-210.

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Synthesis and Crystal Structure of di-p-Methyl pyridinium-p-methylpyridinidine Hexatungstate

LIN Xin-rong, CHEN Ming-qin, LIU Hui-zhang, XU Jin-yu, LI Pei, JIN Song-lin, XIE Gao-yang

Department of Chemistry, Research Center of Analysis and Measurement, Fudan University, Shanghai 200433, P. R. China

收稿日期:1999-01-25 出版日期:1999-08-24 发布日期:2011-08-17
通讯作者: JIN Song-lin
基金资助:
Supported by the National Natural Science Foundation of China(No.29841001).

Synthesis and Crystal Structure of di-p-Methyl pyridinium-p-methylpyridinidine Hexatungstate

LIN Xin-rong, CHEN Ming-qin, LIU Hui-zhang, XU Jin-yu, LI Pei, JIN Song-lin, XIE Gao-yang

Department of Chemistry, Research Center of Analysis and Measurement, Fudan University, Shanghai 200433, P. R. China

Received:1999-01-25 Online:1999-08-24 Published:2011-08-17
Supported by:
Supported by the National Natural Science Foundation of China(No.29841001).

摘要/Abstract

摘要： A novel isopolyanion salt [(CH₃Py)₂H]₂W₆O₁₉ was synthesized by the reaction of a white powdery tungstic acid (WPTA) with p-methylpyridine, and characterized by elemental analyses, infrared spectrometry and X-ray diffraction methods. In the crystal structure of the title compound there are a hexatungstate anion and two unique [(CH₃Py)₂H]⁺ dimeric cations, and the most specific aspect of its structure is the first reported hydrogen bond existing between two of the p-methylpyridine molecules with a N_N distance of 0.267 3 nm. This hydrogen bond is analogous to that between the water molecules in H₅O₂⁺, but is rather weaker.

关键词: Di-p-methylpyridinium-p-methylpyridine hexatungstate, Hydrogen bond, Crystal structure

Abstract: A novel isopolyanion salt [(CH₃Py)₂H]₂W₆O₁₉ was synthesized by the reaction of a white powdery tungstic acid (WPTA) with p-methylpyridine, and characterized by elemental analyses, infrared spectrometry and X-ray diffraction methods. In the crystal structure of the title compound there are a hexatungstate anion and two unique [(CH₃Py)₂H]⁺ dimeric cations, and the most specific aspect of its structure is the first reported hydrogen bond existing between two of the p-methylpyridine molecules with a N_N distance of 0.267 3 nm. This hydrogen bond is analogous to that between the water molecules in H₅O₂⁺, but is rather weaker.

Key words: Di-p-methylpyridinium-p-methylpyridine hexatungstate, Hydrogen bond, Crystal structure

LIN Xin-rong, CHEN Ming-qin, LIU Hui-zhang, XU Jin-yu, LI Pei, JIN Song-lin, XIE Gao-yang . Synthesis and Crystal Structure of di-p-Methyl pyridinium-p-methylpyridinidine Hexatungstate[J]. 高等学校化学研究, 1999, 15(3): 205-210.

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Synthesis and Crystal Structure of di-p-Methyl pyridinium-p-methylpyridinidine Hexatungstate

Synthesis and Crystal Structure of di-p-Methyl pyridinium-p-methylpyridinidine Hexatungstate

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