Abstract
In the title salt, C19H25N4O+·C24H20B−, the C=N and C—N bond lengths in the CN3 unit are 1.3327 (8)/1.3364 (9) and 1.3802 (9) Å, indicating double- and single-bond character, respectively. The N—C—N angles are 118.77 (6), 120.29 (6) and 120.81 (6)°, showing only a small deviation of the CN3 plane from an ideal trigonal-planar geometry. The bonds between the N atoms and the terminal methyl C atoms all have values close to a typical single bond [1.4636 (9)–1.4772 (9) Å]. The crystal packing is caused by electrostatic interactions between cations and anions.
Highlights
In the title salt, C19H25N4O+ÁC24H20BÀ, the C N and C—N bond lengths in the CN3 unit are 1.3327 (8)/1.3364 (9) and 1.3802 (9) A, indicating double- and single-bond character, respectively
The crystal packing is caused by electrostatic interactions between cations and anions
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: FK2067)
Summary
Key indicators: single-crystal X-ray study; T = 100 K; mean (C–C) = 0.001 A; R factor = 0.043; wR factor = 0.121; data-to-parameter ratio = 38.4. C19H25N4O+ÁC24H20BÀ, the C N and C—N bond lengths in the CN3 unit are 1.3327 (8)/1.3364 (9) and 1.3802 (9) A , indicating double- and single-bond character, respectively. The N—C—N angles are 118.77 (6), 120.29 (6) and 120.81 (6), showing only a small deviation of the CN3 plane from an ideal trigonal-planar geometry. The bonds between the N atoms and the terminal methyl C atoms all have values close to a typical single bond [1.4636 (9)– 1.4772 (9) A ]. Crystal data C19H25N4O+ÁC24H20BÀ Mr = 644.64 Monoclinic, P21=n a = 11.0564 (4) Ab = 9.5942 (3) Ac = 33.4312 (12) A = 91.684 (2)
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