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Journal of Structural Chemistry

2008 year, number 4

STRUCTURE OF the SYN-OXIMe of 2-N,N′-DIMETHYL-AMINO-5-METHYLBENZOPHENONE С16H18N2O

О. V. Kulikov, L. K. Minacheva, А. V. Mazepa
Keywords: syn-oxime, crystal structure, X-ray analysis, hydrogen bonds, mass-spectrometry fragmentation pattern
Pages: 791-794

Abstract

The structure of the syn-isomer of 2-N,N′-dimethylamino-5-methylbenzophenone oxime is studied by X-ray diffraction and mass-spectrometry. This molecular compound crystallizes in the triclinic system. Unit cell parameters are: a = 19.5318(10) Å, с = 19.5439(17) Å, V = 6456.9(7) Å3, Z = 18, space group The molecules are linked into centrosymmetric pseudo dimers by hydrogen bonds О-H…N formed by the oxime groups. The pathway of the electron-impact induced decomposition of the compound is discussed.