Crystal Growth of Four Oxovanadium(IV) Tartrates Prepared via a Mild Two-Step Hydrothermal Method: Observation of Spin-Dimer Behavior and Second Harmonic Generation
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https://figshare.com/articles/dataset/Crystal_Growth_of_Four_Oxovanadium_IV_Tartrates_Prepared_via_a_Mild_Two_Step_Hydrothermal_Method_Observation_of_Spin_Dimer_Behavior_and_Second_Harmonic_Generation/2175166
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资源简介：
Four
new oxovanadium(IV) tartrates, namely, A2[(VO)2(C4H4O6)(C4H2O6)(H2O)2]·(H2O)2, where A = Cs, 1, Rb, 2;
K2[(VO)2(C4H2O6)2(H2O)2]·(H2O)2, 3; and Na2[(VO)2(C4H4O6)(C4H2O6)(H2O)7]·(H2O)2, 4, were prepared utilizing a
two-step, mild hydrothermal route involving l-(+)-tartaric
acid as the reducing agent. All four compounds were structurally characterized
by single-crystal and powder X-ray diffraction methods and were found
to crystallize in the non-centrosymmetric orthorhombic space groups P212121 for 1, 2, and 4 and C2221 for 3. The temperature dependence of the magnetic
susceptibility of these compounds was measured, and 1, 2, and 4 were found to be paramagnetic
down to 2 K, while 3 was found to exhibit spin-dimer
behavior. Compounds 1, 2, and 3 were found to be second harmonic generation active. All compounds
were further characterized by IR and UV–vis spectroscopies.
创建时间：
2016-02-13
