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Title: | The mixed-valent 10-manganese(III/IV)-containing 36-tungsto-4-arsenate(V), [MnIII6MnIV4O4(OH)12(H2O)12(A-β-AsW9O34)4]22− | Authors: | Oweini, Rami Al Bassil, Bassem Itani , Marwa Emiroğlu, Dilara Börte Kortz, Ulrich |
Affiliations: | Department of Chemistry | Keywords: | Polyoxometalates Manganese Crystal structure Mixed valency |
Subjects: | Crystallography | Issue Date: | 2018 | Part of: | Journal of acta crystallographica section C: structural chemistry | Volume: | 74 | Issue: | 1 | Start page: | 1390 | End page: | 1394 | Abstract: | Interaction of the mixed-valent 12-manganese coordination complex [MnIII 8Mn IV 4O 12(CH 3COO) 16(H 2O) 4] with the lacunary 9-tungstoarsenate(V) [A- α-AsW 9O 34] 9− resulted in the 10-manganese(III/IV)-containing 36-tungsto-4-arsenate(V), [MnIII 6Mn IV 4O 4(OH) 12(H 2O) 12( A- β-AsW 9O 34) 4] 22− (1). Polyanion 1 was isolated as a hydrated mixed potassium–sodium salt, K14Na 8[Mn III 6Mn IV 4O 4(OH) 12(H 2O) 12( A- β-AsW 9O 34) 4]·104H 2O, which crystallizes in the orthorhombic space group Pbcn and was characterized by FT–IR spectroscopy and single-crystal X-ray diffraction, as well as elemental and thermogravimetric analyses. The title polyanion contains a unique [MnIII 6Mn IV 4O 4(OH) 12(H 2O) 12] 14+ core stabilized within the 36-tungsto-4-arsenate(V) framework. |
URI: | https://scholarhub.balamand.edu.lb/handle/uob/2251 | DOI: | 10.1107/S2053229618014183 | Ezproxy URL: | Link to full text | Type: | Journal Article |
Appears in Collections: | Department of Chemistry |
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