Crystal structure of the new compound Co6(TeO3)2(TeO6)Cl2 |
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| Institution: | 1. Departamento de Física, Escuela Politécnica Superior, Universidad Carlos III de Madrid, Avda. de la Universidad, 30, 28911 Leganés, Madrid, Spain;2. Departamento de Ciencia de Materiales, Escuela Politécnica Superior, Universidad Carlos III de Madrid, Avda. de la Universidad, 30, 28911 Leganés, Madrid, Spain;3. Departamento de Física de Materiales C-04, Universidad Autónoma de Madrid, Cantoblanco 28045, Madrid, Spain;1. Department of Chemistry, Dalian University of Technology, Dalian, 116024, China;2. Department of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 116029, PR China |
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| Abstract: | The new compound Co6(TeO3)2(TeO6)Cl2 has been isolated during an investigation of the system CoO:CoCl2:TeO2. The new compound is deep purple in color and crystallizes in the tetragonal system, space group P42/mbc, a=8.3871(7) Å, c=18.5634(19) Å, Z=4. The Co(II) ions have octahedral Co1O6] and tetrahedral Co2O3Cl] coordinations. Tellurium is present both as Te(IV) with a tetrahedral Te1O3E] coordination, where E is the 5s2 lone-pair and as Te(VI) with an octahedral Te2O6] coordination. The structure is made up of intersecting layers of tetrahedra forming channels comprising octahedra chains that run along the c-axis. The new compound is the first cobalt tellurium oxochloride described. |
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