✦ LIBER ✦

Relation between force constant and bond length for carbon—nitrogen bonds

✍ Scribed by D.Michael Byler; Heino Susi; William C. Damert

Publisher: Elsevier Science
Year: 1987
Tongue: English
Weight: 252 KB
Volume: 43
Category: Article
ISSN: 1386-1425
DOI: 10.1016/0584-8539(87)80231-3

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✦ Synopsis

Using 25 accurately known bond-stretching force constants and bond lengths for 23 molecules, a relation of the form: F' = 37.3 r 5 35 has been obtained for carbon-nitrogen bonds. The root-mean-square deviation between the force constant values reported in the literature and those calculated from the equation above is 4.09 %. Fourteen of the molecules studied have a rotational symmetry axis that coincides with the carbon-to-nitrogen bond. The remaining molecules have lower symmetry. The observed force constant-bond length relationship gives quite satisfactory results for both groups of molecules.

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