Synthesis and Characterization of a Novel Tetranuclear 5f Compound: A New Synthon for Exploring U(IV) Chemistry
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https://figshare.com/articles/dataset/Synthesis_and_Characterization_of_a_Novel_Tetranuclear_5f_Compound_A_New_Synthon_for_Exploring_U_IV_Chemistry/2575582
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资源简介：
In the course of structurally characterizing previously
reported
complexes based on the 1,2-bis(dimethylphosphino)ethane)) (dmpe) ligand
([(dmpe)2UCl4] (1) and [(dmpe)2UMe4] (2)), we find that adjusting
the U/dmpe ratio leads to an unprecedented species. Whereas the use
of two or three equivalents of dmpe relative to UCl4 produces 1 as a blue-green solid, the use of a 1:1 dmpe/UCl4 stoichiometry yields [(dmpe)4U4Cl16]·2CH2Cl2·(3·2CH2Cl2) as a green solid. In turn, 3 is
used to prepare a mixed-chelating ligand complex featuring the bidentate
ligand 4,4′-dimethyl-2,2′-bipyridine (dmbpy), [(dmpe)(dmbpy)UCl4] (4). The measured magnetic susceptibilities
for 1–4 trend toward nonmagnetic
ground states at low temperatures.
创建时间：
2016-02-22
