A monomeric and a dimeric copper(II) trigonelline adduct with chloride, and a dimeric copper(II) 1-methyl-2-pyrrolecarboxylate adduct with 3-methylpyridine

Hiroo Nakagawa, Yoshiyuki Kani, Masanobu Tsuchimoto, Shigeru Ohba, Matsushima Hideaki, Tadashi Tokii

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In the crystal structure of trans-dichlorobis(trigonelline-O,O′)copper(II) (trigonelline is N-methylpyridinium-3-carboxylate), [CuCl2(C7H7NO2)2], (I), the monomeric CuII complex has a distorted octahedral coordination. In the crystal structure of tetrakis(μ-trigonelline-O:O′)-bis[chlorocopper(II)] dichloride octahydrate, [Cu2Cl2-(C7H7NO2) 4]Cl2·8H2O, (II), the dinuclear CuII complex has a slightly elongated cage structure, with a Cu⋯Cu distance of 2.770 (1) Å. In the crystal structure of tetrakis[μ-(1-methylpyrrole-2-carboxylato)-O:O′]-bis[(3-methylpyridine- N)copper(II)], [Cu2(C6H6NO2)4-(C 6H7N)2], (III), the dinuclear CuII complex has a cage structure, with a Cu⋯Cu distance of 2.671 (1) Å. The magnetic -2J value for (III) is 343 cm-1 (H = -2JS1.S2).

Original languageEnglish
Pages (from-to)882-886
Number of pages5
JournalActa Crystallographica Section C: Crystal Structure Communications
Volume55
Issue number6
DOIs
Publication statusPublished - 1999 Jun 15

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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