Please use this identifier to cite or link to this item: https://doi.org/10.1039/b708926k
Title: A dinuclear cobalt(II) complex of calix[8]arenes exibiting strong magnetic anisotropy
Authors: Petit, Sarah
Pilet, Guillaume
Luneau, Dominique
Chibotaru, Liviu F
Ungur, Liviu 
Keywords: Science & Technology
Physical Sciences
Chemistry, Inorganic & Nuclear
Chemistry
BOND-VALENCE PARAMETERS
CRYSTAL-STRUCTURE
URANIUM(IV) COMPLEXES
TRANSITION-METAL
CALIXARENE
POLYNUCLEAR
TUNGSTEN
OXIDE
RIM
N=4
Issue Date: 1-Jan-2007
Publisher: ROYAL SOC CHEMISTRY
Citation: Petit, Sarah, Pilet, Guillaume, Luneau, Dominique, Chibotaru, Liviu F, Ungur, Liviu (2007-01-01). A dinuclear cobalt(II) complex of calix[8]arenes exibiting strong magnetic anisotropy. DALTON TRANSACTIONS (40) : 4582-4588. ScholarBank@NUS Repository. https://doi.org/10.1039/b708926k
Abstract: The solvothermal reaction of cobalt(ii) acetate with p-tert-butylcalix[8] arene (calix) and triethylamine affords the compound (Et3NH) 2 [CoII2(calix)2] (1·2Et 3NH) that shows a hydrogen bond bridged dinuclear complex [Co II2(calix)2]2- (1) with cobalt(ii) ions in a tetrahedral geometry. The compound crystallises in the monoclinic, space group P21/n with cell parameters a = 14.89(1) Å, b = 20.90(2) Å, c = 30.87(4) Å, β = 102.57(7)°, V = 9376(16) Å3, Z = 2. The magnetic studies together with ab initio calculations are evidence of an important role of the geometry of the second coordination sphere of carbon and hydrogen atoms around the CoO4 core in quantifying the zero field splitting on cobalt sites. This results in strong magnetic anisotropies with a negative axial component on the cobalt fragments. © The Royal Society of Chemistry.
Source Title: DALTON TRANSACTIONS
URI: https://scholarbank.nus.edu.sg/handle/10635/228679
ISSN: 14779226
14779234
DOI: 10.1039/b708926k
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