Synthesis, crystal structure and thermal decomposition of Cu(II), Co(II), Mn(II) complexes with hetero-ligands containing cysteic acid, 4,4'-dimethyl-2,2'-bipyridine and azide
Identifieur interne : 000542 ( Main/Curation ); précédent : 000541; suivant : 000543Synthesis, crystal structure and thermal decomposition of Cu(II), Co(II), Mn(II) complexes with hetero-ligands containing cysteic acid, 4,4'-dimethyl-2,2'-bipyridine and azide
Auteurs : Asma Lehleh [Algérie] ; Adel Beghidja [Algérie] ; Chahrazed Beghidja [Algérie] ; Olivier Mentre [France] ; Richard Welter [France]Source :
- Comptes rendus. Chimie [ 1631-0748 ] ; 2011.
Descripteurs français
- Pascal (Inist)
- Synthèse, Structure cristalline, Coordinat organique, Décomposition thermique, Azoture, Bipyridyle, Thermogravimétrie, Cuivre II, Cobalt II, Manganèse II, Analyse thermique, Analyse thermique différentielle, Spectrométrie IR, Monocristal, Diffraction RX, Structure moléculaire, Liaison hydrogène, Complexe de métal de transition, Complexe de cobalt, Complexe de cuivre, Complexe de manganèse, Acide cystéique, 2,2p-Bipyridyle(4,4p-diméthyl).
English descriptors
- KwdEn :
- Azides, Bipyridines, Cobalt II, Cobalt complex, Copper II, Copper complex, Crystalline structure, Differential thermal analysis, Hydrogen bond, Infrared spectrometry, Manganese II, Manganese complex, Molecular structure, Organic ligand, Single crystal, Synthesis, Thermal analysis, Thermal decomposition, Thermogravimetry, Transition element complexes, X ray diffraction.
Abstract
Three new transition metal complexes, [Cu(L-cyst)(dmbpy)(H2O)] (1), [Mn(dmbpy)2 (N3)(Cl)] (2) and [Co(dmbpy)3].[CoCl4].Cl.7H2O (3) with (L-cyst=L-cysteic acid, dmbpy = 4,4'-dimethyl-2,2'-bipyridine, N3 = azide) have been synthesized and characterized by elemental analysis, thermal analysis (DTA/TGA), IR spectroscopy and single crystal X-ray diffraction (XRD). In the complex 1, the copper atoms are five-coordinated in a distorted square pyramidal site. It forms monomeric species, which are further connected into a three-dimensional supramolecular network through hydrogen bonding interactions. In the complex 2, the manganese atoms have a distorted octahedral environment with four nitrogen atoms of the two dmbpy, one nitrogen atom provided from azide ligand, the coordination sphere being completed by a chlorine atom. (2) is also a monomeric complex and the molecular structure of compound 2 is stabilized by non standard weak C-H...Cl hydrogen-bonds. The asymmetric unit of the complex 3 is built of two cobalt-containing fragments: the cationic [CoII(dmbpy)3]+2 and the anionic (CoIICl4)-2groups. The molecular structure of compound 3 is stabilized by hydrogen bonds via O-H...O, O-H...Cl and C-H...Cl interactions. The thermal decompositions for 1 and 3 in the temperature range 30-1000 °C has revealed that the Cu complex decomposes in three steps whereas Co complex decomposes in four steps and transforms into the corresponding metal oxide.
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UST Lille, BP 90108</s1><s2>59652 Villeneuve d'Ascq</s2><s3>FRA</s3><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Hauts-de-France</region><region type="old region" nuts="2">Nord-Pas-de-Calais</region><settlement type="city">Villeneuve d'Ascq</settlement></placeName></affiliation></author><author><name sortKey="Welter, Richard" sort="Welter, Richard" uniqKey="Welter R" first="Richard" last="Welter">Richard Welter</name><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>UMR CNRS 7177, laboratoire DECOMET, universite de Strasbourg, 4, rue Blaise-Pascal</s1><s2>67070 Strasbourg</s2><s3>FRA</s3><sZ>5 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region><settlement type="city">Strasbourg</settlement></placeName><orgName type="university">Université de Strasbourg</orgName></affiliation></author></analytic><series><title level="j" type="main">Comptes rendus. Chimie</title><idno type="ISSN">1631-0748</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Comptes rendus. Chimie</title><idno type="ISSN">1631-0748</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Azides</term><term>Bipyridines</term><term>Cobalt II</term><term>Cobalt complex</term><term>Copper II</term><term>Copper complex</term><term>Crystalline structure</term><term>Differential thermal analysis</term><term>Hydrogen bond</term><term>Infrared spectrometry</term><term>Manganese II</term><term>Manganese complex</term><term>Molecular structure</term><term>Organic ligand</term><term>Single crystal</term><term>Synthesis</term><term>Thermal analysis</term><term>Thermal decomposition</term><term>Thermogravimetry</term><term>Transition element complexes</term><term>X ray diffraction</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Synthèse</term><term>Structure cristalline</term><term>Coordinat organique</term><term>Décomposition thermique</term><term>Azoture</term><term>Bipyridyle</term><term>Thermogravimétrie</term><term>Cuivre II</term><term>Cobalt II</term><term>Manganèse II</term><term>Analyse thermique</term><term>Analyse thermique différentielle</term><term>Spectrométrie IR</term><term>Monocristal</term><term>Diffraction RX</term><term>Structure moléculaire</term><term>Liaison hydrogène</term><term>Complexe de métal de transition</term><term>Complexe de cobalt</term><term>Complexe de cuivre</term><term>Complexe de manganèse</term><term>Acide cystéique</term><term>2,2p-Bipyridyle(4,4p-diméthyl)</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Three new transition metal complexes, [Cu(L-cyst)(dmbpy)(H<sub>2</sub>O)] (1), [Mn(dmbpy)<sub>2</sub> (N<sub>3</sub>)(Cl)] (2) and [Co(dmbpy)<sub>3</sub>].[CoCl<sub>4</sub>].Cl.7H<sub>2</sub>O (3) with (L-cyst=L-cysteic acid, dmbpy = 4,4'-dimethyl-2,2'-bipyridine, N<sub>3</sub> = azide) have been synthesized and characterized by elemental analysis, thermal analysis (DTA/TGA), IR spectroscopy and single crystal X-ray diffraction (XRD). In the complex 1, the copper atoms are five-coordinated in a distorted square pyramidal site. It forms monomeric species, which are further connected into a three-dimensional supramolecular network through hydrogen bonding interactions. In the complex 2, the manganese atoms have a distorted octahedral environment with four nitrogen atoms of the two dmbpy, one nitrogen atom provided from azide ligand, the coordination sphere being completed by a chlorine atom. (2) is also a monomeric complex and the molecular structure of compound 2 is stabilized by non standard weak C-H...Cl hydrogen-bonds. The asymmetric unit of the complex 3 is built of two cobalt-containing fragments: the cationic [Co<sup>II</sup>(dmbpy)<sub>3</sub>]<sup>+2</sup> and the anionic (Co<sup>II</sup>Cl<sub>4</sub>)<sup>-2</sup>groups. The molecular structure of compound 3 is stabilized by hydrogen bonds via O-H...O, O-H...Cl and C-H...Cl interactions. The thermal decompositions for 1 and 3 in the temperature range 30-1000 °C has revealed that the Cu complex decomposes in three steps whereas Co complex decomposes in four steps and transforms into the corresponding metal oxide.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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