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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 Carbon pentoxide ： ウィキペディア英語版 Carbon pentoxide Carbon pentaoxide or carbon pentoxide is an unstable molecular oxide of carbon. The molecule has been produced and studied at cryogenic temperatures. The molecule is important in atmospheric chemistry and in the study of cold ices in the outer solar system and interstellar space. The substance could form and be present on Ganymede or Triton, moons in the outer solar system. The molecule has a C2 symmetry. It consists of a five membered ring with one carbon and four oxygen atoms. A fifth oxygen atom has a double bond to the carbon. Calculation has resulted in a theoretical structure. The pentagon is not regular, but varies in the length of its sides and angles. The distance between the oxygen atoms that are not attached to carbon is 1.406 Å, whereas the distance between one of these atoms and an oxygen attached to carbon is 1.457 Å. The carbon oxygen bond length is 1.376 Å. The double carbon to oxygen bond is the shortest at 1.180 Å. There is no carbon to carbon bond as there is only one carbon atom. The OOO bond angle is 100.2° and the OOC angle is 109.1°. The OCO bond angle is 125.4°. ==Production== The carbon pentaoxide was produced by irradiating crogenically frozen carbon dioxide with 5 kV electrons. The reaction mechanism is by carbon tetroxide reacting with an oxygen atom. This reaction releases 17.0 kJmol−1.〔 Formation from ozone and carbon dioxide is energetically unfavourable by 165.6 kJmol−1, and carbon trioxide reacting with dioxygen molecules also would require 31.6 kJmol−1. 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「Carbon pentoxide」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.