Complex compounds of a series of d metals with rubazinic acid (HRub). Crystal and molecular structure of [Co(H2O)6](NO3)2 · 2HRub

Author： Kovalchukova O.   Strashnova S.   Ilyukhin A.   Sergienko V.   Zaitsev B.   Volyanskii O.   Korolev O.   Dutova T.  

Publisher： MAIK Nauka/Interperiodica

ISSN： 1070-3284

Source： Russian Journal of Coordination Chemistry, Vol.36, Iss.10, 2010-10, pp. : 751-756

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Abstract

Seven complexes of d elements with rubazinic acid, (4Z)-4-[(5-hydroxy-1,3-dimethyl-1H-pyrazol-4-yl)imino]-2,5-dimethyl-2,4-dihydro-3H-pyrazol-3-one (HRub), were synthesized and studied by IR and UV/Vis spectroscopy and potentiometry. The composition of the complexes in solution was determined by spectrophotometry and their stability constants were calculated. The crystal and molecular structures of [Co(H2O)6](NO3)2 · 2HRub were determined by X-ray diffraction.

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