Abstract
Two gadolinium selenidoantimonates [Gd(trien)2]SbSe4 (1) and [Gd(dien)(trien)(SbSe4)] (2) (trien = triethylenetetramine, dien = diethylenetriamine), were prepared by solvothermal reactions of Gd2O3, Sb and Se in trien and mixed trien + dien solvents respectively. Compounds 1 and 2 crystallize in monoclinic space group P21/c and P21/n, respectively. Cell Parameters of 1 are a = 9.2638(17), b = 13.462(3), c = 19.647(4) Å, β = 92.776(3)°, V = 2,447.4(8) Å3, Z = 4. Cell Parameters of 2 are a = 10.210(2), b = 17.602(4), c = 12.377(3) Å, β = 90.280(5)°, V = 2,224.5(9) Å3, Z = 4. In 1 the anion [SbSe4]3− exists as an isolated, charge-compensating anion for the [Gd(trien)2]3+ complex cation. It coordinates to the Gd(III) center of [Gd(dien)(trien)]3+ as a monodentate ligand to form a neutral mixed-coordinate complex [Gd(dien)(trien)(SbSe4)] (2). The coordination to Gd(III) center is influenced by the co-ligands of polyamines.
Graphical Abstract
New lanthanide selenidoantimonates [Gd(trien)2]SbSe4 and [Gd(trien)(dien)(SbSe4)] with 3-dimensional H-bonding network structures were respectively synthesized in trien and mixed trien/dien (trien = triethylenetetramine; dien = diethylenetriamine) solvents under mild solvothermal conditions.
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This work was supported by the National Natural Science Foundation China (NSFC, No. 21171123).
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Wang, F., Tang, Cy., Lu, Jl. et al. Solvothermal Syntheses and Crystal Structures of Gadolinium Selenidoantimonates [Gd(trien)2]SbSe4 and [Gd(trien)(dien)(SbSe4)]. J Chem Crystallogr 45, 61–66 (2015). https://doi.org/10.1007/s10870-015-0564-4
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DOI: https://doi.org/10.1007/s10870-015-0564-4