A New Organo-templated Layered Zincophosphate Synthesized from a Solvothermal System Containing Racemic1,2-Diaminopropane |
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Authors: | CHEN Wei YUAN Hong-ming JIANG Yu-sheng Huo Hua CHEN Jie-sheng |
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Institution: | State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, P. R. China |
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Abstract: | A new layered zincophosphate was synthesized under solvothermal conditions by employing racemic 1,2-diaminopropane as the structure-directing agent. The structure of the compound was solved by means of single-crystal X-ray diffraction analysis. It crystallized in the monoclinic space group P21/c (No. 14) with a=1.047 0(3) nm, b=0.787 31(18) nm, c=0.662 68(16) nm, β=103.120(5)°, V=0.532 0(2) nm3 and Z=4. The structure is made up of anionic zincophosphate sheets stacked in an AAAA sequence. The individual sheet contains three- and four-membered rings and the infinite Zn-O-Zn chains can also be envisaged in the sheet. The charge-balancing diprotonated racemic 1,2-diaminopropane cations are sandwiched between the layers, whereas the inorganic layers are stabilized by strong H-bonds formed between the N atoms of the amine and the O atoms in the inorganic sheets. |
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Keywords: | Layered zincophosphate X-ray diffraction Crystal structure Racemic system |
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