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Inne
Crystal structure of μ3-oxo-esakis(μ2-acetate)triaquatrichromium(III) 2,6-dihydroxybenzoate dihydrate.
Autorzy
Rok wydania
1996
Czasopismo
Numer woluminu
248
Strony
99-102
DOI
10.1016/0020-1693(95)04990-8
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The compound [Cr3(μ2-CH3COO)6(μ3-O)(H2O)3]DHB·2H2O (DHB = 2,6-dihydroxybenzoate(−1)), as characterized by single crystal X-ray analysis and spectroscopy, is described. The compound crystallizes in the monoclinic space group Cc with a = 14.122(3), b = 15.137(4), c = 14.952(3)Å, β = 99.70(3)°, Z = 4. The structure of the complex consists of the trimetallic cage common to ‘basic’ acetates of Cr(III), Fe(III) and Rh(III), where three metal ions lie at the corners of a nearly equilateral triangle of side ∼ 3.3Å, the center being occupied by a triply-bridging oxygen. The chromium coordination is compared with those found in related complexes. The DHB anion is anchored to the trichromium moiety through bonding between the carboxylate group and a metal-bound water molecule.
Słowa kluczowe
Chromium complexes, Carboxylate complexes, Trinuclear complexes, molecule, 6-Dihydroxybenzoic acid, Crystal structures
Adres publiczny
https://doi.org/10.1016/0020-1693(95)04990-8
Strona internetowa wydawcy
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