Table 1. CF Parameters for 1 and 2 Determined by Fitting Magnetometry Data Reported in Reference (29); The Optical CF Parameters in the First Column Are Taken from Reference (42)^a.

	1 (opt.)	1 (mag.)	2b
B02	–2485	–3129(19)	–810(60)
B04	1323	1980(20)	1230(40)
B06	555	484(11)	484c
B66	–1956	–1760(60)	–1760c
k	–	0.98c	0.98c

^aAll CF values are in units of cm^–1. λ was fixed at 380 cm^–1, which is 90% of the optimized free ion value.⁴³

^bFit includes an empirical TIP component of 7.4 × 10^–4 emu mol^–1. The exchange coupling, j, was set to 10,000 cm^–1.

^cFixed during the fit.