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Binuclear copper(II) complexes with N3S-coordinate tripodal ligand and mixed azide-carboxylate bridges: Synthesis, crystal structures and magnetic properties
| hal.structure.identifier | Department of Chemistry | |
| dc.contributor.author | SADHU, Mehul H. | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | MATHONIÈRE, Corine | |
| hal.structure.identifier | Inorganic and Physical Chemistry Department | |
| dc.contributor.author | PATIL, Yogesh P. | |
| hal.structure.identifier | Department of Chemistry | |
| dc.contributor.author | KUMARA, Sujit Baran | |
| dc.date.issued | 2017 | |
| dc.identifier.issn | 0277-5387 | |
| dc.description.abstractEn | One new N3S-coordinate tetradentate ligand N,N-bis((3,5-dimethyl-1H-pyrazol-1-yl)methyl)-2-(phenylthio)ethan-1-amine (bdmpe) has been synthesized and characterized. Two double end-on azide bridged copper(II) complexes [Cu(bdmpe)(μ1,1-N3)]2(X)2 [X = ClO4−, PF6−] and two triple bridged copper(II) complexes [Cu2(dmpe)2(μ1,1-N3)2(Y)]PF6 [where dmpe = N-((3,5-dimethyl-1H-pyrazol-1-yl)methyl)-2-(phenylthio)ethan-1-amine, Y = CH3COO− or HCOO−] have been synthesized and characterized. Ligand (dmpe) has been formed from ligand bdmpe during in situ complexation reaction. Crystal structures of the three complexes [Cu(bdmpe)(N3)]2(ClO4)2 (1), [Cu2(dmpe)2(μ1,1-N3)2(CH3COO)]PF6 (3) and [Cu2(dmpe)2(μ1,1-N3)2(HCOO)]PF6 (4) have been solved by single crystal X-ray diffraction studies and the structural data revealed that the complex [Cu2(bdmpe)2(N3)2](ClO4)2 is binuclear and two copper(II) centers are bridged by a pair of (μ1,1) N3− ion whereas the structures of complexes 3 and 4 are binuclear with triple bridged and two adjacent copper(II) centers are bridged by pair of N3− ions with end-on (μ1,1) coordination mode and one acetate/formate group with syn–syn coordination mode, respectively. Variable temperature (4–273 K) magnetic measurement shows that complex 1 has no magnetic interaction whereas complexes 3 and 4 have weak antiferromagnetic interactions with J values −15.3(1) cm−1 for complex 3 and −17.8(1) cm−1 for complex 4. | |
| dc.language.iso | en | |
| dc.publisher | Elsevier | |
| dc.subject.en | N3S donor ligand | |
| dc.subject.en | Binuclear Cu(II) complexes | |
| dc.subject.en | Bridging ligands | |
| dc.subject.en | Structure | |
| dc.subject.en | Magnetic studies | |
| dc.title.en | Binuclear copper(II) complexes with N3S-coordinate tripodal ligand and mixed azide-carboxylate bridges: Synthesis, crystal structures and magnetic properties | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1016/j.poly.2016.11.036 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Polyhedron | |
| bordeaux.page | 210-218 | |
| bordeaux.volume | 122 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-01444147 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-01444147v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Polyhedron&rft.date=2017&rft.volume=122&rft.spage=210-218&rft.epage=210-218&rft.eissn=0277-5387&rft.issn=0277-5387&rft.au=SADHU,%20Mehul%20H.&MATHONI%C3%88RE,%20Corine&PATIL,%20Yogesh%20P.&KUMARA,%20Sujit%20Baran&rft.genre=article |
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