Correction to Monofluoride Bridged, Binuclear Metallacycles of First Row Transition Metals Supported by Third Generation Bis(1-pyrazolyl)methane Ligands: Unusual Magnetic Properties
Page 10659. The assumption made in this paper that the gelatin capsules used to hold the samples in the SQUID measurements “make a negligible contribution to the overall magnetism” is incorrect for the 3d9, strongly antiferromagnetically coupled compound [Cu2 (μ-F)(μ-m-[CH(pz) 2]2C6H4)2](BF4)3 (4). Analysis of a new data set1 in which the susceptibility of the sample container was measured independently and the data were corrected appropriately yields the results shown in corrected Figure 8 (p 10666) where, using the Hamiltonian H = -2JS1 · S2, the J value (Abstract on p 10658 and pp 10665 and 10668) is calculated as -181.3(4) cm-1 with a g value2 of 2.153(3). The Cu(II) ions in compound 4 are strongly antiferromagnetically coupled, but not to the degree indicated in the original paper. Table 4 (p 10668) is also corrected
D. L. Reger et al., "Correction to Monofluoride Bridged, Binuclear Metallacycles of First Row Transition Metals Supported by Third Generation Bis(1-pyrazolyl)methane Ligands: Unusual Magnetic Properties," Inorganic Chemistry, vol. 50, no. 6, pp. 2704, American Chemical Society (ACS), Jan 2011.
The definitive version is available at https://doi.org/10.1021/ic2002282
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31 Jan 2011