N,N '-diphenylguanidinium hydrogen (+)-L-tartrate monohydrate

Authors
Paixao, JA Silva, PSP Beja, AM Silva, MR Gomes, ED Belsley, M
Citation
Ja. Paixao et al., N,N '-diphenylguanidinium hydrogen (+)-L-tartrate monohydrate, ACT CRYST C, 55, 1999, pp. 1287-1290
Citations number
26
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS
ISSN journal
01082701 → ACNP
Volume
55
Year of publication
1999
Part
8
Pages
1287 - 1290
Database
ISI
SICI code
0108-2701(19990815)55:<1287:N'H(M>2.0.ZU;2-J
Abstract
The cation of the title compound, C13H14N3+. C4H5O6-. H2O, has a central gu anidinium fragment with a planar geometry, as expected for sp(2) hybridizat ion at the C atom. The conformation of the phenyl rings is syn-syn with res pect to the unsubstituted N atom, but the overall conformation of the catio n is far from the C-2v symmetry predicted by ab initio calculations for the isolated ion. A broad range of hydrogen-bond interactions contributes to p acking cohesion, the strongest of these linking the anions head-to-tail.