μ-Acetato-aqua-μ-(5-bromo-2-{1,3-bis­[2-(5-bromo-2-oxidobenzyl­idene­amino)­eth­yl]imidazolidin-2-yl}phenolato)methano­ldinickel(II) methanol disolvate monohydrate

نویسندگان

  • Ahmed Raza Khan
  • Yohannes Tesema
  • Ray J. Butcher
  • Yilma Gultneh
چکیده

The crystal structure of the title compound, [Ni(2)(C(27)H(24)Br(3)N(4)O(3))(CH(3)CO(2))(CH(3)OH)(H(2)O)]·2CH(3)OH·H(2)O contains [L(OAc){(CH(3)OH)Ni}{(H(2)O)Ni}] mol-ecules {H(3)L = 2-(5-bromo-2-hy-droxy-phen-yl)-1,3-bis-[4-(5-bromo-2-hy-droxy-phen-yl)-3-aza-but-3-en-yl]-1,3-imidazolidine} with additional water and two methanol solvent mol-ecules. In this instance, one of the two Ni atoms is coordinated to a water and the other to a methanol mol-ecule. The Ni-O and Ni-N distances, as well as the angles about the metal atoms, show quite regular octa-hedra around the central ions. The Ni-O(phenol)-Ni and Ni-O(acetate)-Ni angles are not similar [95.26 (13) and 97.34 (13)°, respectively], indicating that this subtle solvate exchange induces significant differences in the conformation adopted. The coordinated methanol ligand is involved in an intra-molecular hydrogen bond to the uncoordinated O atom of the bridging acetate ligand, while the coordinated water mol-ecule forms a hydrogen bond with the one of the methanol solvent mol-ecules. The water solvent mol-ecule forms strong hydrogen bonds to both phenolate O atoms. The remaining methanol solvent mol-ecule also forms a hydrogen bond with this solvent water mol-ecule.

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منابع مشابه

μ-Acetato-μ-(5-chloro-2-{1,3-bis[2-(5-chloro-2-oxidobenzylideneamino)ethyl]imidazolidin-2-yl}phenolato)-bis[methanolnickel(II)] methanol monosolvate monohydrate

The crystal structure shows that the title compound, [Ni(2)(CH(3)CO(2))(C(27)H(24)Cl(3)N(4)O(3))(CH(4)O)(2)]·CH(3)OH·H(2)O, con-tains [Ni(2)L(OAc)(CH(3)OH)(2)] mol-ecules in the unit cell {H(3)L = 5-chloro-2-{1,3-bis[2-(5-chloro-2-oxidobenzylideneimino)-ethyl]imidazolidin-2-yl}phenolate} with water and methanol as solvates. The title compound is a neutral dinuclear compound, in which the L(3-) ...

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عنوان ژورنال:

دوره 67  شماره 

صفحات  -

تاریخ انتشار 2011