Copper uranyl phosphate and arsenate incorporating an organic ligand with a pillared layer structure: [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HPO{sub 4})(H{sub 2}PO{sub 4})]{center_dot}H{sub 2}O and [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HAsO{sub 4})(H{sub 2}AsO{sub 4})]{center_dot}1.5H{sub 2}O

Wang, Chih-Min; Lii, Kwang-Hwa

doi:10.1016/J.JSSC.2012.08.031

Title: Copper uranyl phosphate and arsenate incorporating an organic ligand with a pillared layer structure: [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HPO{sub 4})(H{sub 2}PO{sub 4})]{center_dot}H{sub 2}O and [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HAsO{sub 4})(H{sub 2}AsO{sub 4})]{center_dot}1.5H{sub 2}O

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Abstract

Two mixed-metal uranium compounds, [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HPO{sub 4})(H{sub 2}PO{sub 4})]{center_dot}H{sub 2}O (1) and [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HAsO{sub 4})(H{sub 2}AsO{sub 4})]{center_dot}1.5H{sub 2}O (2) have been synthesized under hydrothermal conditions and structurally characterized by single-crystal X-ray diffraction, fluorescence spectroscopy, and magnetic susceptibility. They are the first examples of mixed-metal uranium phosphate and arsenate incorporating an organic ligand. Their structures contain copper uranyl phosphate/arsenate layers which are covalently linked by 4,4 Prime -bpy pillars to form a 3-D framework structure. The fluorescence spectrum of 1 shows the characteristic vibronic structure of the UO{sub 2}{sup 2+} moiety despite the presence of copper(II) ions in its structure. The two compounds are isostructural and crystallize in the monoclinic space group C2/c with a=20.184(4) A, b=8.921(2) A, c=19.095(3) A, {beta}=115.15(1) Degree-Sign , and R{sub 1}=0.0244 for 1, and a=20.184(1) A, b=9.0210(5) A, c=19.714(1) A, {beta}=114.879(1) Degree-Sign , and R{sub 1}=0.0399 for 2. - Graphical abstract.: A new copper uranyl phosphate and the arsenate analog have been presented. The compounds contain copper uranyl phosphate/arsenate layers covalently linked by 4,4 Prime -bipyridine pillars into an open-framework structure.

Authors:

Wang, Chih-Min ^[1]; Lii, Kwang-Hwa ^[1]

Department of Chemistry, National Central University, Jhongli 320, Taiwan (China)

Publication Date:: Tue Jan 15 00:00:00 EST 2013

OSTI Identifier:: 22131212

Resource Type:: Journal Article

Journal Name:: Journal of Solid State Chemistry

Additional Journal Information:: Journal Volume: 197; Other Information: Copyright (c) 2012 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0022-4596

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; ARSENATES; BIPYRIDINES; COPPER; COPPER PHOSPHATES; FLUORESCENCE SPECTROSCOPY; LAYERS; LIGANDS; MAGNETIC SUSCEPTIBILITY; MONOCLINIC LATTICES; MONOCRYSTALS; SPACE GROUPS; URANIUM; URANIUM DIOXIDE; URANIUM PHOSPHATES; URANYL PHOSPHATES; X-RAY DIFFRACTION

Citation Formats


                    Wang, Chih-Min, Lii, Kwang-Hwa, and Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan. Copper uranyl phosphate and arsenate incorporating an organic ligand with a pillared layer structure: [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HPO{sub 4})(H{sub 2}PO{sub 4})]{center_dot}H{sub 2}O and [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HAsO{sub 4})(H{sub 2}AsO{sub 4})]{center_dot}1.5H{sub 2}O.  United States: N. p., 2013. 
        Web.  doi:10.1016/J.JSSC.2012.08.031.

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                    Wang, Chih-Min, Lii, Kwang-Hwa, & Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan. Copper uranyl phosphate and arsenate incorporating an organic ligand with a pillared layer structure: [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HPO{sub 4})(H{sub 2}PO{sub 4})]{center_dot}H{sub 2}O and [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HAsO{sub 4})(H{sub 2}AsO{sub 4})]{center_dot}1.5H{sub 2}O.  United States.  https://doi.org/10.1016/J.JSSC.2012.08.031

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                    Wang, Chih-Min, Lii, Kwang-Hwa, and Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan. 2013.  
        "Copper uranyl phosphate and arsenate incorporating an organic ligand with a pillared layer structure: [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HPO{sub 4})(H{sub 2}PO{sub 4})]{center_dot}H{sub 2}O and [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HAsO{sub 4})(H{sub 2}AsO{sub 4})]{center_dot}1.5H{sub 2}O".  United States.  https://doi.org/10.1016/J.JSSC.2012.08.031.

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@article{osti_22131212,

  title        = {Copper uranyl phosphate and arsenate incorporating an organic ligand with a pillared layer structure: [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HPO{sub 4})(H{sub 2}PO{sub 4})]{center_dot}H{sub 2}O and [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HAsO{sub 4})(H{sub 2}AsO{sub 4})]{center_dot}1.5H{sub 2}O},

  author       = {Wang, Chih-Min and Lii, Kwang-Hwa and Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan},

  abstractNote = {Two mixed-metal uranium compounds, [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HPO{sub 4})(H{sub 2}PO{sub 4})]{center_dot}H{sub 2}O (1) and [Cu(4,4 Prime -bpy)(UO{sub 2}){sub 0.5}(HAsO{sub 4})(H{sub 2}AsO{sub 4})]{center_dot}1.5H{sub 2}O (2) have been synthesized under hydrothermal conditions and structurally characterized by single-crystal X-ray diffraction, fluorescence spectroscopy, and magnetic susceptibility. They are the first examples of mixed-metal uranium phosphate and arsenate incorporating an organic ligand. Their structures contain copper uranyl phosphate/arsenate layers which are covalently linked by 4,4 Prime -bpy pillars to form a 3-D framework structure. The fluorescence spectrum of 1 shows the characteristic vibronic structure of the UO{sub 2}{sup 2+} moiety despite the presence of copper(II) ions in its structure. The two compounds are isostructural and crystallize in the monoclinic space group C2/c with a=20.184(4) A, b=8.921(2) A, c=19.095(3) A, {beta}=115.15(1) Degree-Sign , and R{sub 1}=0.0244 for 1, and a=20.184(1) A, b=9.0210(5) A, c=19.714(1) A, {beta}=114.879(1) Degree-Sign , and R{sub 1}=0.0399 for 2. - Graphical abstract.: A new copper uranyl phosphate and the arsenate analog have been presented. The compounds contain copper uranyl phosphate/arsenate layers covalently linked by 4,4 Prime -bipyridine pillars into an open-framework structure.},

  doi          = {10.1016/J.JSSC.2012.08.031},

  url          = {https://www.osti.gov/biblio/22131212},
  journal      = {Journal of Solid State Chemistry},

  issn         = {0022-4596},

  number       = ,

  volume       = 197,

  place        = {United States},

  year         = {Tue Jan 15 00:00:00 EST 2013},

  month        = {Tue Jan 15 00:00:00 EST 2013}

}

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