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单词 structural formula
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structural formula
structural formula n. [compare German Strukturformel (see structure formula n. at structure n. Compounds 2)] Chemistry a formula which represents the relative arrangement of atoms in a molecule, ion, etc., and often also the position and nature of the bonds between them; contrasted with empirical formula n. (b) at empirical adj. and n. Compounds.Cf. molecular formula n. at molecular adj. Compounds, rational formula n. at rational adj. and adv. Compounds.
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structural formula1868
structure formula1877
1868 J. W. Gibbs in Amer. Jrnl. Sci. 95 295 The structural formula which I have given explains the decomposition effected by Strecker very simply.
1951 I. L. Finar Org. Chem. I. i. 6 It is always desirable to show the arrangement (if known) of the atoms in the molecule, and this is done by means of structural formulæ or bond-diagrams.
2000 M. Clugston & R. Flemming Adv. Chem. xxi. 386 The shortened structural formulae of ethanol and methoxymethane are CH3CH2OH and CH3OCH3 respectively.
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