英语词汇“chair form”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	chair form
释义	chair form chair form [′cher ‚fȯrm] (physical chemistry) A particular nonplanar conformation of a cyclic molecule with more than five atoms in the ring; for example, in the chair form of cyclohexane, the hydrogens are staggered and directed perpendicularly to the mean plane of the carbons (axial conformation, a) or equatorially to the center of the mean plane (equatorial conformation, e). Also known as chair conformation. chair form chair form the more stable of two conformations assumed by six-membered cyclic sugars (for example, the pyranoses) or cyclohexane derivatives, as opposed to boat form. See also: Haworth conformational formulas of cyclic sugars.
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