10.6084/m9.figshare.4244441.v1
Qiong Wu
Qiong
Wu
Wei Wu
Wei
Wu
Baoling Wang
Baoling
Wang
Yongfeng Qiao
Yongfeng
Qiao
Hongping Ju
Hongping
Ju
Yuqiang Liu
Yuqiang
Liu
Hai Wang
Hai
Wang
Asymmetrically decorated POM framework formed by a chiral polyanion
Taylor & Francis Group
2016
Polyanion
asymmetrically decorating
single molecular magnet
photocatalysis
2016-11-21 06:47:19
Journal contribution
https://tandf.figshare.com/articles/journal_contribution/Asymmetrically_decorated_POM_framework_formed_by_a_chiral_polyanion/4244441
<p>Reactions of NaH<sub>2</sub>AsO<sub>4</sub> with C-type polyanion precursor lead to a new compound, (NH<sub>4</sub>)<sub>15</sub>[As<sub>2</sub>Fe<sub>6</sub>Mo<sub>22</sub>O<sub>85</sub>AsO<sub>2</sub>(OH)<sub>2</sub>]·31.5H<sub>2</sub>O (<b>1</b>). Compound <b>1</b> was characterized by elemental analysis, infrared spectra, thermogravimetric analysis, and single-crystal X-ray diffraction. Structural analysis reveals that AsO<sub>2</sub>(OH)<sup>2−</sup> asymmetrically decorated the POM framework, constituting the first inorganic anion asymmetrically decorating a POM. AC measurements of the frequency-dependent <i>χ</i>′′ below 5 K indicated a slow magnetization relaxation in <b>1</b>, resembling typical single-molecule-magnet behavior. Photocatalytic experiments indicated that introduction of AsO<sub>2</sub>(OH)<sup>2−</sup> may offer new active sites and enhanced the overall photocatalytic activity compared with the C-type precursor.</p>