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Results of the magnetism studies on complex 1. (A) χMT vs. T data and fit; see the text for the fit parameters. The Inset shows the exchange coupling model employed and the spin alignments in the ST = 9/2 ground state. (B) Plot of ST energies vs. the J/J′ ratio, showing the change in ground state. The dashed line corresponds to the experimentally determined J/J′ ratio of -3.75 for complex 1.
