Potassium, rubidium and ammonium salts of μ-(formato-κ2O:O′)-μ-oxido-bis[oxidobis(peroxido-κ2O,O′)molybdate(VI)]

The unit‐cell parameters of the three title salts, namely, tripotassium, K3[Mo2(CHO2)O3(O2)4], trirubidium, Rb3[Mo2(CHO2)O3(O2)4], and triammonium μ‐(formato‐κ2O:O′)‐μ‐oxido‐bis[oxidobis(peroxido‐κ2O,O′)molybdate(VI)], (NH4)3[Mo2(CHO2)O3(O2)4], which were all crystallized at pH 3, are quite similar,...

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Bibliographic Details
Published in:Acta crystallographica. Section C, Crystal structure communications Crystal structure communications, 2013-01, Vol.69 (1), p.37-40
Main Authors: Takehara, Masaki, Hashimoto, Masato
Format: Article
Language:English
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Summary:The unit‐cell parameters of the three title salts, namely, tripotassium, K3[Mo2(CHO2)O3(O2)4], trirubidium, Rb3[Mo2(CHO2)O3(O2)4], and triammonium μ‐(formato‐κ2O:O′)‐μ‐oxido‐bis[oxidobis(peroxido‐κ2O,O′)molybdate(VI)], (NH4)3[Mo2(CHO2)O3(O2)4], which were all crystallized at pH 3, are quite similar, but the potassium and rubidium salt structures are noncentrosymmetric, whereas that of the ammonium salt is centrosymmetric. Formate acts as an O:O′‐bridging ligand in the complex anion and is bound to a μ‐oxido‐bis(oxidodiperoxidomolybdate) unit.
ISSN:0108-2701
1600-5759
DOI:10.1107/S0108270112049803