New Mononuclear Cu(II) Complexes and 1D Chains with 4-Amino-4H-1,2,4-triazole
AbstractThe crystal structures of two mononuclear Cu(II) NH2trz complexes [Cu(NH2trz)4(H2O)](AsF6)2 (I) and [Cu(NH2trz)4(H2O)](PF6)2 (II) as well as two coordination polymers [Cu(μ2-NH2trz)2Cl]Cl∙H2O (III) and [Cu(μ2-NH2trz)2Cl] (SiF6)0.5∙1.5H2O (IV) are presented. Cationic 1D chains with bridging bis-monodentate μ2-coordinated NH2trz and bridging μ2-coordinated chloride ligands are present in III and IV. In these coordination polymers, the Cu(II) ions are strongly antiferromagnetically coupled with J = −128.4 cm−1 for III and J = −143 cm−1 for IV (H = −JΣSiSi+1), due to the nature of the bridges between spin centers. Inter-chain interactions present in the crystal structures were taken into consideration, as well as g factors, which were determined experimentally, for the quantitative modeling of their magnetic properties.
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Dîrtu, M.M.; Boland, Y.; Gillard, D.; Tinant, B.; Robeyns, K.; Safin, D.A.; Devlin, E.; Sanakis, Y.; Garcia, Y. New Mononuclear Cu(II) Complexes and 1D Chains with 4-Amino-4H-1,2,4-triazole. Int. J. Mol. Sci. 2013, 14, 23597-23613.
Dîrtu MM, Boland Y, Gillard D, Tinant B, Robeyns K, Safin DA, Devlin E, Sanakis Y, Garcia Y. New Mononuclear Cu(II) Complexes and 1D Chains with 4-Amino-4H-1,2,4-triazole. International Journal of Molecular Sciences. 2013; 14(12):23597-23613.Chicago/Turabian Style
Dîrtu, Marinela M.; Boland, Yves; Gillard, Damien; Tinant, Bernard; Robeyns, Koen; Safin, Damir A.; Devlin, Eamonn; Sanakis, Yiannis; Garcia, Yann. 2013. "New Mononuclear Cu(II) Complexes and 1D Chains with 4-Amino-4H-1,2,4-triazole." Int. J. Mol. Sci. 14, no. 12: 23597-23613.