Issue 0, 1971

Crystal structure of iproniazid phosphate

Abstract

The crystal structure of the monoamine oxidase inhibitor iproniazid phosphate (N′-isopropylpyridine-4-carbohydrazinium phosphate), C9H14N3O+H2PO4, has been determined by X-ray diffraction techniques. The colourless crystals are triclinic with space group P[1 with combining macron] and cell dimensions of a= 9·063, b= 10·084, c= 7·883 Å, α= 94·02, β= 98·84, and γ= 116·67° with Z= 2. The structure was determined by Patterson and Fourier methods. The refinement by least-squares methods converged to an R of 0·089 for the 1958 observed reflections measured on a diffractometer by the stationary crystal–stationary counter technique. The crystal consists of an iproniazid cation and H2PO4 anions held together by hydrogen bonds.

Article information

Article type
Paper

J. Chem. Soc. A, 1971, 576-579

Crystal structure of iproniazid phosphate

P. C. Chieh and G. J. Palenik, J. Chem. Soc. A, 1971, 576 DOI: 10.1039/J19710000576

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