Crystal structure of the salt bis(triethanolamine-κ3 N,O,O′)cobalt(II) bis[2-(2-oxo-2,3-dihydro-1,3-benzothiazol-3-yl)acetate]
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چکیده
The reaction of 2-(2-oxo-2,3-di-hydro-1,3-benzo-thia-zol-3-yl)acetic acid (NBTA) and tri-ethano-lamine (TEA) with Co(NO3)2 results in the formation of the title complex, [Co(C6H15NO3)2](C9H6NO3S)2, which is formed as a result of the association of bis-(tri-ethano-lamine)-cobalt(II) and 2-(2-oxo-2,3-di-hydro-1,3-benzo-thia-zol-3-yl)acetate units. It crystallizes in the monoclinic centrosymmetric space group P21/c, with the Co(II) ion situated on an inversion centre. In the complex cation, the Co(II) ion is octa-hedrally coordinated by two N,O,O'-tridentate TEA mol-ecules with a facial distribution and the N atoms in a trans arrangement. Two ethanol groups of each TEA mol-ecule form two five-membered chelate rings around the Co(II) ion, while the third ethanol group does not coordinate to the metal. The free and coordinating hy-droxy groups of the TEA mol-ecules are involved in hydrogen bonding with the O atoms of NBTA anions, forming an infinite two-dimensional network extending parallel to the bc plane.
منابع مشابه
Crystal structure of the salt bis(triethanolamine-κ4 N,O,O′,O′′)cadmium bis[2-(2-oxo-2,3-dihydro-1,3-benzothiazol-3-yl)acetate]
The reaction of 2-(2-oxo-2,3-di-hydro-1,3-benzo-thia-zol-3-yl)acetic acid (NBTA) and tri-ethano-lamine (TEA) with Cd(CH3OO)2 resulted in the formation of the title salt, [Cd(C6H15NO3)2](C9H6NO3S)2. In its crystal structure, the complex cation [Cd(TEA)2](2+) and two independent NBTA(-) units with essentially similar geometries and conformations are present. In the complex cation, each TEA mol-ec...
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