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Synthesis and characterisation of the carboxylate linked osmium clusters [{Os3H(CO)(10)}(2)(CO2CH2CO2)], [{Os3H(CO)(10)}(2)(CO2C2H4CO2)], [{Os3H(CO)(10)}(2)(C4O4)] and [{Os3H(CO)(10)}(2)(C4O4){Co-2(CO)(6)}]


Reference:

Amoroso, A. J., Johnson, B. F. G., Lewis, J., Li, C. K., de Arellano, M. C. R., Raithby, P. R., Shields, G. P. and Wong, W. T., 2006. Synthesis and characterisation of the carboxylate linked osmium clusters [{Os3H(CO)(10)}(2)(CO2CH2CO2)], [{Os3H(CO)(10)}(2)(CO2C2H4CO2)], [{Os3H(CO)(10)}(2)(C4O4)] and [{Os3H(CO)(10)}(2)(C4O4){Co-2(CO)(6)}]. Inorganica Chimica Acta, 359 (11), pp. 3589-3595.

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Abstract

Reactions between the activated cluster [Os-3(CO)(10)(NCMe)(2)] and malonic acid, succinic acid and dicarboxylic acetylene, respectively, lead to the formation of the linked cluster complexes [{Os3H(CO)(10)}(2)(CO2CH2CO2)] (1), [{Os3H(CO)(10)}(2)(CO2C2H4CO2)] (2), and [{Os3H(CO)(10)}(2)(C4O4)] (3) in good yield. Cluster 3 was subsequently treated with [Co-2(CO)(8)] and this results in the addition of a "Co-2(CO)(6)" group giving [{Os3H(CO)(10)}(2)(C2O4){Co-2(CO)(6)}] (4). The X-ray crystal structures are reported for 2-4. In each structure the two triangular triosmium units are linked by the carboxylate groups and within each complex the carboxylate groups are chelating and bridge two osmium atoms. (c) 2005 Elsevier B.V. All rights reserved.

Details

Item Type Articles
CreatorsAmoroso, A. J., Johnson, B. F. G., Lewis, J., Li, C. K., de Arellano, M. C. R., Raithby, P. R., Shields, G. P. and Wong, W. T.
DOI10.1016/j.ica.2005.12.010
DepartmentsFaculty of Science > Chemistry
RefereedYes
StatusPublished
ID Code4746
Additional InformationID number: ISI:000239475800022

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