Synthesis and structure of d-metal complexes with 2,3,5,6-tetraoxo-4- nitropyridine: Crystal structure of Ni(H2O)6(C 5HO6N2)2·2H2O

Crystal hydrates of nickel(II) perchlorate and cobalt(II), copper(II), and zinc(II) chlorides react with ammonium 2,3,5,6-tetraoxo-4-nitropyridinate (NH4)2(C5HO6N2) 2 to produce the M(H2O)6(C5HO 6N2)2·2H2O complexes. The crystal structure of Ni(H2O)6(C5HO 6N2)2·2H2O has been determined by X-ray single-crystal diffraction. In the course of complex formation, complex cations [Ni(H2O)6]2+ are substituted for the ammonium cations in the organic salt, the organic anions are linked with the coordinated water molecules by O⋯H-O hydrogen bonds, and the dimers of 2,3,5,6-tetraoxo-4-nitropyridinate anions are spatially rearranged so that they cease to be charge-transfer complexes as in the initial (NH4)2(C5HO6N2) 2 salt.

Authors
Kovalchukova O.V. 1 , Kuz'mina N.E.2 , Palkina K.K.2 , Strashnova S.B. 1 , Zaitsev B.E. 1 , Ryabov M.A. 1
Publisher
IAPC Nauka/Interperiodica
Number of issue
2
Language
English
Pages
194-198
Status
Published
Volume
48
Year
2003
Organizations
  • 1 Peoples' Friendship Univ. of Russia, ul. Miklukho-Maklaya 6, 117197 Moscow, Russian Federation
  • 2 Inst. of Gen. and Inorg. Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russian Federation
Keywords
2,3,5,6 tetraoxo 4 nitropyridine; chloride; cobalt; copper; metal complex; nickel; pyridine derivative; unclassified drug; zinc; article; complex formation; crystal structure; hydrogen bond; synthesis; X ray diffraction
Date of creation
19.10.2018
Date of change
19.10.2018
Short link
https://repository.rudn.ru/en/records/article/record/118/