NDLI: Syntheses and structures of discrete copper(II) and cadmium(II) supramolecular complexes based on 1,4-diacylthiosemicarbazone ligands.

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Syntheses and structures of discrete copper(II) and cadmium(II) supramolecular complexes based on 1,4-diacylthiosemicarbazone ligands.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Jiao, Chen Zhang, Si-Si Li, Zuo-Yin Liu, Jian-Jun Lin, Mei-Jin Huang, Chang-Cang
Description	Author Affiliation: Jiao C ( College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, People's Republic of China.); Zhang SS ( College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, People's Republic of China.); Li ZY ( College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, People's Republic of China.); Liu JJ ( College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, People's Republic of China.); Lin MJ ( College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, People's Republic of China.); Huang CC ( College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, People's Republic of China.)
Abstract	Thiosemicarbazides and their metal complexes have attracted considerable interest because of their biological activities and their flexibility, which allows the ligands to bend and rotate freely to accommodate the coordination geometries of various metal centres. Discrete copper(II) and cadmium(II) complexes have been prepared by crystallization of N-[2-(2-hydroxybenzoyl)hydrazinecarbonothioyl]propanamide (H3L) with Cu(CH3COO)2 or Cd(NO3)2 in a dimethylformamide/methanol mixed-solvent system at room temperature, affording the complexes di-µ-acetato-bis{µ4-1-[(2-oxidophenyl)carbonyl]-2-(propanamidomethanethioyl)hydrazine-1,2-diido}tetracopper(II) dimethylformamide disolvate, [Cu4(C11H10N3O3S)2(C2H3O2)2]·2C3H7NO, (I), and bis{µ2-[(2-hydroxyphenyl)formamido](propanamidomethanethioyl)azanido}bis[(4,4'-bipyridine)nitratocadmium(II)] dihydrate, [Cd2(C11H12N3O3S)2(NO3)2(C10H8N2)2]·2H2O, (II). Complex (I) consists of four Cu(II) cations, two µ4-bridging trianionic ligands and two µ2-bridging acetate ligands, while complex (II) is composed of two Cd(II) cations, two µ2-bridging monoanionic ligands, two nitrate ligands and two 4,4'-bipyridine ligands. These discrete complexes are connected by hydrogen bonds and van der Waals interactions to form a three-dimensional supramolecular architecture. Compared with (I), the phenolic hydroxy group and hydrazide N atom of the thiosemicarbazide ligand of (II) are not involved in coordination and lead to a binuclear Cd(II) complex. This different coordination mode may be attributed to the larger ionic radius of the Cd(II) ion compared with the Cu(II) ion.
File Format	HTM / HTML
Issue Number	Pt 2
Volume Number	72
e-ISSN	20532296
Journal	Acta Crystallographica Section C Structural Chemistry
Language	English
Publisher	IUCr
Publisher Date	2016-02-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Crystallography Discipline Analytical Chemistry Cadmium Chemistry Coordination Complexes Chemical Synthesis Copper Semicarbazides Semicarbazones Crystallography, X-ray Hydrogen Bonding Ligands Models, Molecular Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article

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