Synthesis, crystal structure and magnetic properties of three unprecedented tri-nuclear and one very rare tetra-nuclear copper(II) Schiff-base complexes supported by mixed azido/phenoxo/nitrato or acetato bridges

Dalton Transactions : an International Journal of Inorganic Chemistry
Chaitali BiswasAshutosh Ghosh

Abstract

Three novel mixed bridged trinuclear and one tetranuclear copper(II) complexes of tridentate NNO donor Schiff base ligands [Cu(3)(L(1))(2)(mu(1,1)-N(3))(2)(CH(3)OH)(2)(BF(4))(2)] (1), [Cu(3)(L(1))(2)(mu(1,1)-N(3))(2)(mu-NO(3)-1kappaO:2kappaO')(2)] (2), [Cu(3)(L(2))(2)(mu(1,1)-N(3))(2)(mu-NO(3)-1kappaO:2kappaO')(2)] (3) and [Cu(4)(L(3))(2)(mu(1,1)-N(3))(4)(mu-CH(3)COO-1kappaO:2kappaO')(2)] (4) have been synthesized by reaction of the respective tridentate ligands (L(1) = 2-[1-(2-dimethylamino-ethylimino)-ethyl]-phenol, L(2) = 2-[1-(2-diethylamino-ethylimino)-ethyl]-phenol, L(3) = 2-[1-(2-dimethylamino-ethylimino)-methyl]-phenol) with the corresponding copper(ii) salts in the presence of NaN(3). The complexes are characterized by single-crystal X-ray diffraction analyses and variable-temperature magnetic measurements. Complex 1 is composed of two terminal [Cu(L(1))(mu(1,1)-N(3))] units connected by a central [Cu(BF(4))(2)] unit through nitrogen atoms of end-on azido ligands and a phenoxo oxygen atom of the tridentate ligand. The structures of 2 and 3 are very similar; the only difference is that the central unit is [Cu(NO(3))(2)] and the nitrate group forms an additional mu-NO(3)-1kappaO:2kappaO' bridge between the terminal and c...Continue Reading

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Citations

Apr 28, 2011·Acta Crystallographica. Section E, Structure Reports Online·Lin Yuan
Jan 23, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Alokesh HazariAshutosh Ghosh
Dec 5, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Rahman BikasTadeusz Lis
Aug 30, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Yogendra SinghMaria A Palacios
Jun 29, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Avijit DasAshutosh Ghosh
Nov 15, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Zu-Zhen ZhangChen-I Yang
May 8, 2019·Acta Crystallographica. Section C, Structural Chemistry·Roza DimeskaRay J Butcher
Oct 13, 2011·Dalton Transactions : an International Journal of Inorganic Chemistry·Sandip MukherjeePartha Sarathi Mukherjee
Jan 24, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Sandip Mukherjee, Partha Sarathi Mukherjee
Aug 13, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Yu MaEn-Qing Gao
Jul 8, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Pallab BhowmikAshutosh Ghosh
Dec 3, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Monotosh MondalAshutosh Ghosh
Dec 2, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Santokh S TandonLaurence K Thompson

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