Syntheses, Structures, and Magnetic Properties of Mixed-Valent Diruthenium(II,III) Diphosphonates with Discrete and One-Dimensional Structures
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https://figshare.com/articles/dataset/Syntheses_Structures_and_Magnetic_Properties_of_Mixed-Valent_Diruthenium_II_III_Diphosphonates_with_Discrete_and_One-Dimensional_Structures/4009353
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资源简介:
Four mixed-valent ruthenium diphosphonates, namely, Na4[Ru2(hedp)2X]·16H2O [X = Cl (1), Br (2)], K3[Ru2(hedp)2(H2O)2]·6H2O (3), and Na7[Ru2(hedp)2Fe(CN)6]·24H2O (4), where hedp represents 1-hydroxyethylidenediphosphonate
[CH3C(OH)(PO3)2]4-, were synthesized and structurally characterized. Compounds 1, 2, and 4 show linear chain
structures in which the mixed-valent [Ru2(hedp)2]3- dimers are linked by X- or [Fe(CN)6]4- bridges. Compound 3
contains discrete species of [Ru2(hedp)2(H2O)2]3- where the axial positions of [Ru2(hedp)2]3- paddlewheel are
terminated by water molecules. Magnetic studies show that significant antiferromagnetic exchanges are mediated
between the [Ru2(hedp)2]3- (S = 3/2) units through halide bridges in compounds 1 and 2.
创建时间:
2016-10-12



