Studies on Solvothermal Synthesis and Structure of a New Titanium Phosphate Large Single Crystal

Abstract

Abstract: The organically templated titanium phosphate [Ti₃P₆O₂₇ H₅] · [C₂H₉N₂]₅·2 [H₃O] has been synthesized by solvothermal method and its structure was determined by single crystal Xray diffraction. The crystal crystallizes in a orthorhombic system of the enantiomorphic space group P2₁2₁2₁ , with a = 1.0180(6) nm , b =1.5899(9) nm, c =2.3227(12) nm, V =3.7594(4) nm³, Z =4, D_c= 1.96 g/cm³ , F (000)= 2296 , R =0.0486, ωR₂=0.1257. The title compound contains chiral spirals formed from macroanionic chains of titanium oxygen octahedra bonded together by phosphate tetrahedral. These spirals are interconnected through hydrogen bonding in a manner to form unusual tunnels along the [001] direction in which H₂N(CH₂)₂NH₃⁺ cations are included. Second harmonics are generated in powdered sample.

Key words: Template synthesis, Solvothermal method, 1D Chiral chain, Titanium phosphate

CLC Number:

O612

TrendMD:

GUO Yang-Hong, SHI Zhan, QU Xue-Jian, PANG Wen-Qin . Studies on Solvothermal Synthesis and Structure of a New Titanium Phosphate Large Single Crystal[J]. Chem. J. Chinese Universities, 2000, 21(7): 1010.

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Studies on Solvothermal Synthesis and Structure of a New Titanium Phosphate Large Single Crystal

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