Abstract
A new organic hybrid holmium–germanate oxo-cluster [Ho8(phen)2Ge12(μ 3-O)24(CH2CH2COO)12(H2O)16]·2H2O (1, phen = 1,10-phenanthroline) was prepared under mild hydrothermal conditions and structurally characterized by elemental analysis, UV/Vis, IR spectroscopy, thermogravimetric analysis, and powder X-ray diffraction. Compounds 1 contains cage clusters [Ho8(phen)2Ge12(μ 3-O)24(CH2CH2COO)12(H2O)16] and free H2O molecules. The cage cluster is constructed by the combination of two [Ho(phen)(H2O)2] units, two [Ge6O12(CH2CH2COO)6] rings and one circular [Ho6O36] fragment via sharing O atoms. 1 is the rare example of organic hybrid holmium–germanate oxo-cluster decorated by phen ligands.
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