Preparation, Crystal Structure and Thermolysis Mechanism of [Y(NTO)2NO3(H2O)5]·2H2O

Chem. J. Chinese Universities ›› 1997, Vol. 18 ›› Issue (5): 676.

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Preparation, Crystal Structure and Thermolysis Mechanism of [Y(NTO)₂NO₃(H₂O)₅]·2H₂O

SONG Ji-Rong¹, HU Rong-Zu², LI Fu-Ping², MAO Zhi-Hua³, ZHOU Zong-Hua³, HONG Zhou³

1. Department of Chemical Engineering, Northwest University, Xi'an, 710069;
2. Xi'an Modern Chemistry Research Institute, Xi'an, 710065;
3. Depurtment of Chemistry.Testing and Analytical Center, Sichuun University, Chengdu, 610064

Received:1996-07-24 Online:1997-05-24 Published:1997-05-24

Abstract

Abstract: [Y(NTO)₂NO₃ (H₂O)₅].2H₂Owas prepared by mixing the aqueous solution oflithium 3-nitro-1 2, 4-triazol-5uonate and the dilute nitric acid solution of yttrium oxide.The single crystal structure was determined by a four-circle X-ray diffractometer.The crystal is monoclinic, space group Cm with crystal parameters of a = 0.6773(2) nm, b= 2.0866(2)nm, c=0.6551(1) nm; β=102.98(2)°, V=0.9021(1) nm³, Z=2, D_c=1.970 g.cm^{^-3},p=33.49 cm^-1, F(000) =540, R=0.032.The two carbonyls of NTOanion, one NO₃^-, and five water molecules are coordinated to Y³⁺.The coordinate bond lengths are between 0.2283 nm and 0.2478 nm, so the distorted dodecahedron is formed.Based on the thermal analysis, the thermolysis mechanism of [Y(NTO)₂NO₃(H₂O)₅].2H₂Ohas been derived.

Key words: Yttrium complex of NTO, Preparation, Crystal structure, Thermolysis mechanism

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SONG Ji-Rong, HU Rong-Zu, LI Fu-Ping, MAO Zhi-Hua, ZHOU Zong-Hua, HONG Zhou. Preparation, Crystal Structure and Thermolysis Mechanism of [Y(NTO)₂NO₃(H₂O)₅]·2H₂O[J]. Chem. J. Chinese Universities, 1997, 18(5): 676.

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Preparation, Crystal Structure and Thermolysis Mechanism of [Y(NTO)₂NO₃(H₂O)₅]·2H₂O

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