Tetra-μ-benzoato-bis[(quinoxaline)copper(II)]

Abstract

Key indicators: single-crystal X-ray study; T = 293 K; mean (C-C) = 0.004 Å; R factor = 0.033; wR factor = 0.080; data-to-parameter ratio = 14.0.

Bis(methanol-κO)bis(quinoline-2-carboxylato-κ2N,O)nickel(II)

“…For interactions of metal ions with amino acids, see: Daniele et al (2008); Parkin (2004); Tshuva & Lippard (2004); Stoumpos et al (2009). For related structures, see: Lee et al (2008); Park et al (2008); Shin et al (2009); Song et al (2009); Yu et al (2008Yu et al ( , 2009Yu et al ( , 2010; Kim et al (2011).…”

“…The interaction of transition metal ions with biologically active molecules such as amino acids, proteins, sugars, and various acids is of great importance in biological systems (Daniele, et al, 2008;Parkin, 2004;Tshuva & Lippard, 2004;Stoumpos, et al, 2009). As models to examine the interaction, we have intensively studied the interaction of transition metal ions with various acids such as benzoic acid, fulvic acids and humic acids and have reported a variety of structures of copper(II), cadmium(II), and zinc(II) benzoates with quinoxaline,6-methylquinoline, 3-methylquinoline, trans-1-(2pyridyl)-2-(4-pyridyl)ethylene, and di-2-pyridyl ketone (Lee, et al, 2008;Yu, et al, 2008;Park, et al, 2008;Shin, et al, 2009;Song, et al, 2009;Yu, et al, 2008Yu, et al, ,2009Yu, et al, ,2010Kim, et al, 2011). In this work, we have employed nickel (II) chloride as a building block and quinaldic acid as a ligand.…”

A neutral cubane with a ZnII4O4core: tetrabenzoatotetrakis(μ3-hydroxydi-2-pyridylmethanolato)tetrazinc(II)–acetone–methanol (1/2/1)

“…For background to transition metal ions as the major cationic contributors to the inorganic composition of natural water and biological fluids, see: Daniele et al (2008); For related crystal structures, see: Lee et al (2008); Park et al (2008); Yu et al (2008); Stoumpos et al (2008); Papaefstathiou & Perlepes (2002); Papatriantafyllopoulou et al (2007).…”

Tetra-μ-benzoato-bis[(3-methylquinoline)copper(II)](Cu—Cu)

“…For related literature, see: Daniele et al (2008); Lee et al (2008); Parkin (2004); Tshuva & Lippard (2004); Wu et al (2004); Weston (2005); Yu et al (2008).…”

“…[Cu 2 (C 7 H 5 O 2 ) 4 (C 10 H 9 N) 2 ] M r = 897.88 Monoclinic, P2 1 =c a = 29.988 4 Data collection: SMART (Bruker, 1997); cell refinement: SAINT (Bruker, 1997); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL. have previously used copper(II) benzoate as a building block and reported the structures of copper(II) benzoates with quinoxaline and 6-methylquinoline (Lee, et al, 2008;Yu, et al, 2008). In this work, we have employed 3-methylquinoline to further investigate the substituent effects of organic ligands on the structure of copper-benzoate containing coordination complexes.…”