Hydrothermal syntheses and crystal structures of new uranyl complexes: UO2( p -C7H4O2Br)2(H2O) and UO2( m -C7H4O2Br)2

Two uranyl complexes, UO 2 (p-C 7 H 4 O 2 Br) 2 (H 2 O) and UO 2 (m-C 7 H 4 O 2 Br) 2 , are synthesized by hydrothermal method and their structures determined by single-crystal X-ray diffraction. UO 2 (p-C 7 H 4 O 2 Br) 2 (H 2 O): R = 0.0606, monoclinic, space group P2(1)/c, with a =19.8400(12) Å, b...

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Published inJournal of coordination chemistry Vol. 61; no. 20; pp. 3350 - 3356
Main Authors Yige, Cai, Weihai, Zhang, Qingjin, Sun, Weiping, Zhang, Jianshe, Zhao, Jianyu, Miao, Zhanli, Ren, Chiyang, Liu
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 20.10.2008
Subjects
Crystal structure
Humic acid
Hydrothermal reaction
Uranium complex
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Summary:Two uranyl complexes, UO 2 (p-C 7 H 4 O 2 Br) 2 (H 2 O) and UO 2 (m-C 7 H 4 O 2 Br) 2 , are synthesized by hydrothermal method and their structures determined by single-crystal X-ray diffraction. UO 2 (p-C 7 H 4 O 2 Br) 2 (H 2 O): R = 0.0606, monoclinic, space group P2(1)/c, with a =19.8400(12) Å, b = 8.8081(5) Å, c = 10.0914(6) Å, α = 90°, β = 92.687(2)°, γ = 90°, Z = 4, has a chair configuration with two cations. UO 2 (m-C 7 H 4 O 2 Br) 2 : R = 0.0333, monoclinic, space group P2(1)/c, with a = 5.1084(7) Å, b = 17.642(3) Å, c = 9.0716(13) Å, α = 90°, β = 94.063(2)°, γ = 90(2)°, Z = 2, forms a 1D chain with the ligand (m-bromobenzoic acid) taking the bridging mode.
ISSN:0095-8972
1029-0389
DOI:10.1080/00958970802056248