Addison, S.J. and Connor, J.A. and Kinkaid, J.A. (1998) High temperature microcalorimetric studies of the thermal decomposition and halogenation of nonacarbonylcobaltmanganese, nonacarbonylcobaltrhenium and decacarbonylmanganeserhenium. Journal of Organometallic Chemistry, 554 (2). pp. 123-127. ISSN 0022-328X.
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Microcalorimetric measurements at elevated temperatures of the enthalpies of sublimation, bromination and iodination of CoMn(CO)(9), CoRe(CO)(9) and MnRe(CO)(10) have been made to obtain the standard enthalpies of formation Delta(f)H(0) (c) and Delta(f)H(0) (g) (in that order) as follows (values in kJ mol(-1)): CoMn(CO)(9) -(1460 +/- 36), -(1388 +/- 42); CoRe(CO)(9) -(1452 +/- 36), -(1369 +/- 42); MnRe(CO)(10) -(1630 +/- 24), -(1544 +/- 28). The values of Delta(f)H(m)(0) (g) are used to derive the enthalpy contributions of the metal-metal bonds in these molecules D(Co-Mn) = (114 +/- 23), D(Co-Re) = (122 +/- 25) and D(Mn-Re) = (145 +/- 29) kJ mol(-1). In each case, the value of D(M-M') is less than the mean of the corresponding homometallic bond enthalpy contributions.
|Uncontrolled keywords:||calorimetry; cobalt; manganese; rhenium|
|Subjects:||Q Science > QD Chemistry|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Biosciences|
|Depositing User:||I. Ghose|
|Date Deposited:||04 Apr 2009 20:54|
|Last Modified:||04 Apr 2009 20:54|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/17537 (The current URI for this page, for reference purposes)|
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