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Volumn , Issue 23, 2008, Pages 3633-3647

Copper(II) complexes of tridentate schiff bases of 5-substituted salicylaldehydes and diamines - The role of the substituent and the diamine in the formation of mono-, di- and trinuclear species - Crystal structures and magnetic properties

Author keywords

Copper; Dinuclear complexes; Magnetic interactions; Tridentate ligands; Trinuclear complexes

Indexed keywords

COPPER COMPOUNDS;

EID: 53249103606     PISSN: 14341948     EISSN: 10990682     Source Type: Journal    
DOI: 10.1002/ejic.200800372     Document Type: Article
Times cited : (41)

References (71)
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    • For other Schiff base metal complexes with NLO features, see, for instance: a S. Di Bella, Chem. Soc. Rev. 2001, 30, 355-366 and references therein;
    • For other Schiff base metal complexes with NLO features, see, for instance: a) S. Di Bella, Chem. Soc. Rev. 2001, 30, 355-366 and references therein;
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    • P. G. Lacroix, Lettre Sci. Chim. 1999, 68, 35-37.
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    • and references cited therein
    • c) R. Paschke, D. Balkow, E. Sinn, Inorg. Chem. 2002, 41, 1949-1953 and references cited therein.
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  • 29
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    • The different conformation of the two complexes reflects in a different coordination geometry around the copper atom. Though the presence of the electron-attracting nitro substituent in position 5 of 1c′ should lead to lengthening of the Cu-N2 and Cu-O1 distances as observed for example by comparing structures 3a and 3c, see below, one notes, on the contrary, a significant bond shortening on going from 1b to 1c′, the largest variation, 0.058 Å, refers to the Cu-N2 bond. The longer bonds observed in 1b could be explained by a reduced charge delocalisation within the complex, associated with the lack of planarity in this structure. This hypothesis appears to be confirmed by a comparison of structure of 1b with that reported for 1a,[13] where the two independent complex molecules are both much more planar than 1b. The average Cu-N and Cu-O distances of 1a on the side of the salicylaldehyde
    • [13] where the two independent complex molecules are both much more planar than 1b. The average Cu-N and Cu-O distances of 1a on the side of the salicylaldehyde moiety, in fact, measure 1.949(6) and 1.900(4) Å, respectively.
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    • Crystals suitable for X-ray diffraction were obtained directly from the reaction mixture; the structure of this compound has already been reported: M. S. Ray, G. Mukhopadhyay, M. G. B. Drew, T.-H. Lu, S. Chaudhuri, A. Ghosh, Inorg. Chem. Commun. 2003, 6, 961-965
    • Crystals suitable for X-ray diffraction were obtained directly from the reaction mixture; the structure of this compound has already been reported: M. S. Ray, G. Mukhopadhyay, M. G. B. Drew, T.-H. Lu, S. Chaudhuri, A. Ghosh, Inorg. Chem. Commun. 2003, 6, 961-965.
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    • b) J. S. Miller, M. Drillon (Eds.), Magnetism: Molecules to Materials IV, Wiley-VCH, Weinheim, 2003;
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    • Present work and: a J.-P. Costes, F. Dahan, J.-P. Laurent, Inorg. Chem. 1986, 25, 413-416;
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    • a) T. Moriya, Phys. Rev. 1960, 120, 91-98;
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    • Eds, G. T. Rado, H. Suhl, Academic Press, New York
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    • 85163246451 scopus 로고    scopus 로고
    • This compound was obtained, as crystals suitable for X-ray diffraction, by diffusion of diisopropyl ether into the reaction mixture, before the addition of the diamine; the structure has been previously reported: J. Wang, M.-L. Tong, Acta Crystallogr, Sect. E 2004, 60, m1223-m1224
    • This compound was obtained, as crystals suitable for X-ray diffraction, by diffusion of diisopropyl ether into the reaction mixture, before the addition of the diamine; the structure has been previously reported: J. Wang, M.-L. Tong, Acta Crystallogr., Sect. E 2004, 60, m1223-m1224.
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    • ORTEP-III: Oak Ridge Thermal Ellipsoid Plot Program for Crystal Structure Illustrations
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.