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author:

Xu Jian-Fu (Xu Jian-Fu.) [1] | Li Hao-Hong (Li Hao-Hong.) [2] (Scholars:李浩宏) | Cao Yan-Ning (Cao Yan-Ning.) [3] (Scholars:曹彦宁) | Huang Chang-Cang (Huang Chang-Cang.) [4] (Scholars:黄长沧) | Zhang Han-Hui (Zhang Han-Hui.) [5] | Liu Dong-Sheng (Liu Dong-Sheng.) [6] | Yang Qi-Yu (Yang Qi-Yu.) [7] | Sun Rui-Qing (Sun Rui-Qing.) [8] (Scholars:孙瑞卿)

Indexed by:

SCIE PKU CSCD

Abstract:

Two organically templated uranium phosphites, (C4H12N)(UO2)(HPO3)(NO3) (M-r = 486.16) 1 and (C16H36N)(2)(UO2)(2)(H2PO3)(2)(HPO3)(NO3)(2) (M-r = 1390.95) 2, were prepared by evaporation from aqueous solution of uranyl nitrate, phosphite acid and their respective organic ammonium hydroxids. Their structures were determined by single-crystal X-ray diffraction and further characterized by infrared and fluorescence spectroscopy. In 1, pentagonal [UO7] bipyramids share corners with three [HPO3](2-) tetrahedra and one edge with a [NO3](-) anion to form [(UO2)(HPO3)(NO3)](-) ladder-like chains parallel to the b axis. The structure of 2 is also based upon one-dimensional anionic [(UO2)(2)(H2PO3)(2)(HPO3)(NO3)(2)](2-) chains of corner-sharing penta- gonal [UO7] bipyramids with [H2PO3](-) and [HPO3] tetrahedra, which is still unknown in structural chemistry of uranium so far. Crystal data for 1: monoclinic, space group C2/m, a = 21.808(7), b = 6.9605(15), c = 8.357(2) angstrom, beta = 98.327(15)degrees, V = 1255.2(6) angstrom(3), Z = 4, D-c = 2.573 g/cm(3), F(000) = 888, mu = 13.086 mm(-1), the final R = 0.0418 and wR = 0.0906 (I > 2 sigma(I)); and those for 2: monoclinic, space group C2/c, a = 36.4549(8), b = 14.5296(11), c = 20.8253(11) angstrom, beta = 101.7440(8)degrees, V = 10799.7(10) angstrom(3), Z = 8, D-c = 1.711 g/cm(3), F(000) = 5424, mu = 6.144 mm(-1), the final R = 0.0368 and wR = 0.0865 (I > 2 sigma(I)).

Keyword:

crystal structure fluorescence organically templated phosphite uranium

Community:

  • [ 1 ] Fuzhou Univ, Coll Chem & Chem Engn, Fujian 350002, Peoples R China
  • [ 2 ] Jinggangshan Coll, Dept Chem, Jian 343009, Jiangxi, Peoples R China

Reprint 's Address:

  • 黄长沧

    [Huang Chang-Cang]Fuzhou Univ, Coll Chem & Chem Engn, Fujian 350002, Peoples R China

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Source :

CHINESE JOURNAL OF STRUCTURAL CHEMISTRY

ISSN: 0254-5861

CN: 35-1112/TQ

Year: 2006

Issue: 11

Volume: 25

Page: 1380-1386

0 . 7 2 9

JCR@2006

5 . 9 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

JCR Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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