Hydrothermal synthesis, structure and thermal property of a 2-dimensional network: sodium sulfate [Ni(H2O)6(NaSO4)2] |
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| Authors: | Pu Su Zhao Fang Fang Jian Zheng Shuai Bai Jian Zheng Rui Rui Zhuang |
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| Institution: | (1) Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, Huaiyin Teachers College, Huaian, 223300, People’s Republic of China;(2) New Materials & Function Coordination Chemistry Laboratory, Qingdao University of Science and Technology, Qingdao, Shandong, 266042, People’s Republic of China |
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| Abstract: | The title compound of Ni(H2O)6(NaSO4)2] has been synthesized under hydrothermal conditions and characterized by single crystal X-ray diffraction. The compound crystallizes in space group P21/c of the monoclinic system in a cell at 293.2 K of a=6.1820(12) Å, b=12.316(3) Å, c=9.0890(18) Å, β=106.03(3)°, and V=665.1(2) Å3. In the title compound, each SO4 tetrahedron coordinates with three Na(I) ions and each Na(I) connects to three SO4 tetrahedrons. Such a coordinate model makes up a two-dimensional network having two different kinds of rings and, in the bigger rings, the Ni(H2O)6]2+ ions are located. In the solid state, some hydrogen bonds connect the title compound to form three-dimensional networks, stabilizing the crystal structure. Thermogravimetric analysis shows that there are three steps of weight loss from the beginning of 110 °C and the residue may be the mixtures of NiO2 and Na2O. |
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| Keywords: | Hydrothermal synthesis Crystal structure Thermal property Two-dimensional network |
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