(C6H17N3)[Zn4(PO4)2(HPO3)2]: a new layered zinc phosphate-phosphite templated by 1-(2-Aminoethyl) piperazine |
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Authors: | Xiaoxin Chen Yongchun Zou |
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Institution: | College of Chemistry, State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, PR China |
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Abstract: | Employing 1-(2-Aminoethyl) piperazine as a template, a new organically templated layered zinc phosphate-phosphite (C6H17N3)Zn4(PO4)2(HPO3)2] has been prepared hydrothermally. Single-crystal X-ray diffraction analysis shows that it crystallizes in the monoclinic space group Cc with a=5.3272(11) Å, b=17.146(3) Å, c=22.071(4) Å, β=94.58(3)°, V=2009.5(7) Å3, Z=4, R1=0.0201 (I>2σ(I)) and wR2=0.0812 (all data). The inorganic network is based on strictly alternating ZnO4 tetrahedral units and P-centered units including PO4 tetrahedra and HPO3 pseudo-pyramids forming a double layered structure that contains columns of double six-membered rings. The diprotonated 1-(2-Aminoethyl) piperazine molecules reside in the interlayer region and interact with the inorganic network through H-bonds. |
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Keywords: | Layer Zinc phosphate-phosphite Hydrothermal synthesis Structure Host-guest system |
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