A Series of Weakley-type Polyoxomolybdates: Synthesis, Characterization, and Magnetic Properties by a Combined Experimental and Theoretical Approach.
Shan SheChen GaoKun ChenAruuhan BayaguudYichao HuangBing-Wu WangSong GaoYong-Ge WeiPublished in: Inorganic chemistry (2018)
Using DCC as the dehydrating agent, a series of Weakley-type polyoxomolybdates [Bu4N]3{Ln[Mo5O13(OMe)4(NO)]2} (Ln = Tb, Dy, Ho, Er) were synthesized in a one-pot reaction and structurally characterized by elemental, IR, UV-vis analysis, PXRD, and single-crystal X-ray diffraction. Furthermore, the static and dynamic measurements were utilized to investigate their magnetic performances. Typically, slow relaxation of magnetization was observed for Dy analogues with an energy barrier for the reversal of the magnetization of 50 K, which is the highest barrier height observed on the polyoxomolybdates-based single-molecule magnets (SMMs). For a deep understanding of the appearance of the SMM behavior on Weakley-type polyoxomolybdates series, ab initio calculations on {Dy[Mo5O13(OMe)4(NO)]2}3- have been conducted.
Keyphrases
- single molecule
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- atomic force microscopy
- high resolution
- body mass index
- molecularly imprinted
- density functional theory
- molecular dynamics
- molecular docking
- magnetic resonance imaging
- molecular dynamics simulations
- cell proliferation
- physical activity
- contrast enhanced
- crystal structure
- liquid chromatography
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