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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Lithium tungstate ： ウィキペディア英語版 Lithium tungstate Lithium tungstate is the inorganic compound with the formula Li2WO4. It is a white solid that is soluble in water. The compound is one of the several orthotungstates, compounds that feature the tetrahedral WO42− anion. ==Structure== The salt consists of tetrahedrally coordinated Li and W centres bridged by oxides. The W-O and Li-O bond distances are 1.79 and 1.96 Å, respectively. These differing bond lengths reflect the multiple bond character of the W-O interaction and the weaker ionic bonding between the Li-O interactions.〔Zachariasen,W. H; Plettinger,H. A. "The crystal structure of lithium tungstate" Acta Crystallographica 1961, volume 14, pp. 229-30. 〕 The solid undergoes phase transitions at high pressures, such that the coordination geometry at tungsten becomes octahedral (six W-O bonds). For example at 40 kilobars, it adopts a structure related to wolframite.〔Horiuchi, Hiroyuki Morimoto, Nobuo; Yamaoka, Shinobu "The crystal structure of lithium tungstate phase (IV) and its relation to the wolframite-type structure" Journal of Solid State Chemistry volume 33, 115-19. 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Lithium tungstate」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.