Figure 9.5.2.3

Allen, F. H.; Watson, D. G.; Brammer, L.; Orpen, A. G.; Taylor, R.

doi:10.1107/97809553602060000621

International
Tables for
Crystallography
Volume C
Mathematical, physical and chemical tables
Edited by E. Prince

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International Tables for Crystallography (2006). Vol. C. ch. 9.5, p. 792

Figure 9.5.2.3

F. H. Allen,^a D. G. Watson,^a L. Brammer,^b A. G. Orpen^c and R. Taylor^a

^a Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, England,^bDepartment of Chemistry, University of Missouri–St Louis, 8001 Natural Bridge Road, St Louis, MO 63121-4499, USA, and ^cSchool of Chemistry, University of Bristol, Bristol BS8 1TS, England

Figure 9.5.2.3

Resolution of the bimodal distribution of C—N bond lengths in C_ar —N(Csp³)₂ fragments: (a) complete distribution; (b) distribution for planar N, mean valence angle at N > 117.6°; (c) distribution for pyramidal N, mean valence angle at N in the range 108–114°.