Thermal decomposition of [Co(en)3][Fe(CN)6]∙ 2H2O: Topotactic dehydration process, valence and spin exchange mechanism elucidation

Table 5 Hyperfine parameters of in-field Mössbauer spectrum of sample 7 at 5 K and in external field 5 T

Position of the Fe⁺³ions	δ ± 0.01 (mm/s)	ΔE_Q ± 0.01 (mm/s)	B_eff ± 0.3 (T)	Γ ± 0.01 (mm/s)	RA ± 3%	A_2,5/A_3,4	Canting angle (°)	Average canting angle of both sites (°)
T-site	0.38	−0.02	52.6	0.54	45	0.579	30.2	30.3
O-site	0.54	−0.08	49.0	0.63	55	0.589	30.4

Where δ is center shift, ΔE_Q is quadrupole splitting, B_eff is effective magnetic field, Γ is line width and RA is the relative area of individual sextets. Furthermore, A_2,5 and A_3,4 are the intensities of the second/fifth, and third/fourth lines, respectively.