scholarly journals A New 3-D Open-Framework Zinc Borovanadate with Catalytic Potentials in α-Phenethyl Alcohol Oxidation

Molecules ◽  
2019 ◽  
Vol 24 (3) ◽  
pp. 531 ◽  
Author(s):  
Xinxin Liu ◽  
Biao Guo ◽  
Xuejiao Sun ◽  
Le Zhang ◽  
Hongming Yuan
Keyword(s):  
Three Dimensional ◽  
Alcohol Oxidation ◽  
Framework Structure ◽  
Open Framework ◽  
Catalytic Activities ◽  
Phenethyl Alcohol ◽  
Open Framework Structure

A novel 3-D open-framework zinc borovanadate [Zn6(en)3][(VIVO)6(VVO)6O6(B18O36(OH)6)·(H2O)]2·14H2O (1, en = ethylenediamine) was hydrothermally obtained and structurally characterized. The framework was built from [V12B18O54(OH)6(H2O)]10− polyanion clusters bridged by Zn(en) complex fragments. The compound not only possessed a three-dimensional open-framework structure with unique plane-shaped channels, but also exhibited excellent catalytic activities for the oxidation of α-phenethyl alcohol.

First chiral fluorinated lead vanadate selenite Pb2(V2O4F)(VO2)(SeO3)3 with five asymmetric motifs and large optical properties

2021 ◽  
Author(s):  
Lin Lin ◽  
Xingxing Jiang ◽  
Chao Wu ◽  
Zheshuai Lin ◽  
Zhipeng Huang ◽  
...  
Keyword(s):  
Optical Properties ◽  
Three Dimensional ◽  
Second Order ◽  
Framework Structure ◽  
Open Framework ◽  
Jahn Teller ◽  
Lead Vanadate ◽  
Open Framework Structure

The first fluorinated lead vanadate selenite Pb2(V2O4F)(VO2)(SeO3)3 was successfully synthesized, featuring a unique three-dimensional open framework structure composed of five kinds of second-order Jahn–Teller susceptible asymmetric motifs.

scholarly journals Ni3Te2O2(PO4)2(OH)4, an open-framework structure isotypic with Co3Te2O2(PO4)2(OH)4

2020 ◽  
Vol 76 (5) ◽  
pp. 625-628
Author(s):  
Felix Eder ◽  
Matthias Weil
Keyword(s):  
Three Dimensional ◽  
Molar Ratio ◽  
Structural Elements ◽  
Asymmetric Unit ◽  
Framework Structure ◽  
Structure Comparison ◽  
Open Framework ◽  
Medium Strength ◽  
Hydroxy Groups ◽  
Open Framework Structure

Single crystals of Ni3(TeO(OH)2)2(PO4)2, trinickel(II) bis[(oxidodihydoxidotellurate(IV)] bis(phosphate),were obtained by hydrothermal synthesis at 483 K, starting from NiCO3·2Ni(OH)2, TeO2 and H3PO4 in a molar ratio of 1:2:2. The crystal structure of Ni3Te2O2(PO4)2(OH)4 is isotypic with that of Co3Te2O2(PO4)2(OH)4 [Zimmermann et al. (2011). J. Solid State Chem. 184, 3080–3084]. The asymmetric unit comprises two Ni (site symmetries \overline{1}, 2/m) one Te (m), one P (m), five O (three m, two 1) and one H (1) sites. The tellurium(IV) atom shows a coordination number of five, with the corresponding [TeO3(OH)2] polyhedron having a distorted square-pyramidal shape. The two NiII atoms are both octahedrally coordinated but form different structural elements: one constitutes chains made up from edge-sharing [NiO6] octahedra extending parallel to [010], and the other isolated [NiO2(OH)4] octahedra. The two kinds of nickel/oxygen octahedra are connected by the [TeO3(OH)2] pyramids and the [PO4] tetrahedra through edge- and corner-sharing into a three-dimensional framework structure with channels extending parallel to [010]. Hydrogen bonds of medium strength between the hydroxy groups and one of the phosphate O atoms consolidate the packing. A quantitative structure comparison between Ni3Te2O2(PO4)2(OH)4 and Co3Te2O2(PO4)2(OH)4 is made.

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