5-amino-5-nitropyridinium halide crystal structure

Details 5-amino-5-nitropyridinium halide crystal structure 5-amino-5-nitropyridinium halide crystal structure

1994-04-06

1996-05-07

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546297, C07D21390

Patent

active

055148077

ABSTRACT:
The present invention relates to new noncentrosymmetric crystal structures consisting of an optionally substituted 2-amino-5-nitropyridinium halide.
It also relates to a process for the preparation of these crystal structures. Finally, it relates to a device with an electro-optical effect comprising said crystal structure.

REFERENCES:
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Journal of the Chemical Society, Chemical Communications No. 23, 1989, pp. 1856-1851859, C. B. Aakeroy et al "A novel class of salts for harmonic generation".
Acta Crystallographica Section B: Structural Science, vol. B49, No. 2, 1 Apr. 1993, Copenhagen pp. 277-282 J. Pecaut; R. masse "Structure of Bis(2-amino-5-nitropyridinium) dichrmate . . . ".
Pecaut et al. J. Materials Chem., 1993, vol. 3, No. 10, pp. 999-1003.
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