Synthesis, characterization, spectroscopic and crystallographic investigation of metal complexes of N-benzyl-N-nitrosohydroxylamine

Olga Kovalchukova, Ali Sheikh Bostanabad, Vladimir Sergienko, Irina Polyakova, Igor Zyuzin, Svetlana Strashnova

Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.
Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Russia.
Peoples’ Friendship University of Russia, Moscow, Russia.

DOI: 10.4236/ojic.2013.31001                

Abstract

New metal complexes of N-benzyl-N-nitrosohy-droxylamine (BNHA) are isolated and characterized by elemental analysis, IR and UV-VIS spectroscopy. Spectrophotometric titration of aqueous solutions of BNHА by salts of some transition metals allowed to calculate the composition and formation constants of the metal complexes. The crystal structure of Cu (BNHА)₂ is studied by X-ray diffraction. The Cu atom is coordinated by four O atoms of two bidentate ligands, which close 5-membered chelate rings. The N-O (1.306 ? - 1.320 ?) and N-N (1.274 ? and 1.275? ) bond lengths indicate that π electrons are delocalized over the chelating groups. Complexes form stacks with intermolecular Cu…N contacts equal to 3.118 ? and 3.306 ?.

Keywords

N-Benzyl-N-Nitrosohydroxylamine; BNHA; Potassium Salt; Complex Compounds; IR; UV-Visible; Single Crystal X-Ray Diffraction; Formation Constants

Conflicts of Interest

The authors declare no conflicts of interest.

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