Hydrothermal Synthesis and Structural Characterization of a Novel P-V-O Layered Compound [H2en]2[H3O]6[Co（H2O）2（VO）8（OH）4（PO4）8]

Chem. J. Chinese Universities ›› 2002, Vol. 23 ›› Issue (11): 2046.

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Hydrothermal Synthesis and Structural Characterization of a Novel P-V-O Layered Compound [H₂en]₂[H₃O]₆[Co（H₂O）₂（VO）₈（OH）₄（PO₄）₈]

ZENG Qing-Xin¹, CHEN Xu², LI Ya-Feng³, YANG Guo-Yu¹, XU Ji-Qing³

1. State Key Laboratory of the Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China;
2. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
3. College of Chemistry, Jilin University, Changchun 130023, China

Received:2001-12-31 Online:2002-11-24 Published:2002-11-24

Abstract

Abstract: A new compound [H₂en]₂[H₃O]₆[Co（H₂O）₂（VO）₈（OH）₄（PO₄）₈] has been hydrothermally synthesized. Single crystal X-ray analysis indicates that this compound crystallizes in a monoclinic system, space group P2₁/n with a=1.438 5(3) nm, b=1.012 2(2) nm, c=1.832 5(4) nm, β=90.21°, V=2.668 2(9) nm³, Z=2, D_c=2.112 g/cm³, R=0.055, wR=0.149 7, S=1.037. The structure of [H₂en]₂[H₃O]₆[Co（H₂O）₂（VO）₈（OH）₄（PO₄）₈] is characterized by P-V-O layers constructed by [(VO)₄(OH)₂(PO₄)₄]^6- non-symmetric units. The P-V-O layers are pillared by [Co(H₂O)₂]²⁺ group, resulting in the channels within which the protonated diaminoethane and H₃O⁺ are located.

Key words: Hydrothermal synthesis, Layered compound, Crystal structure

CLC Number:

O614

TrendMD:

ZENG Qing-Xin, CHEN Xu, LI Ya-Feng, YANG Guo-Yu, XU Ji-Qing . Hydrothermal Synthesis and Structural Characterization of a Novel P-V-O Layered Compound [H₂en]₂[H₃O]₆[Co（H₂O）₂（VO）₈（OH）₄（PO₄）₈][J]. Chem. J. Chinese Universities, 2002, 23(11): 2046.

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Hydrothermal Synthesis and Structural Characterization of a Novel P-V-O Layered Compound [H₂en]₂[H₃O]₆[Co（H₂O）₂（VO）₈（OH）₄（PO₄）₈]

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