. 2015 Aug 12;137(35):11432–11444. doi: 10.1021/jacs.5b06648

Table 2. Mössbauer Parameters of Mesitylated Iron(II)–Bisphosphine Complexes^50,51.

complex	geometry	sample	δ (mm/s)	ΔE_Q (mm/s)
FeMes₂(SciOPP)	sq. planar	solid	0.29	3.58
		froz. soln.	0.28	3.67
FeMes₂(PEt₂Ph)₂	sq. planar	solid	0.31	4.63
FeMes₂(dppe)	sq. planar	solid	0.33	4.53
FeMes₂(depe)	dist. tetra.	solid	0.39	1.71
FeMesBr(SciOPP)	dist. tetra	solid	0.52	1.97
		froz. soln.	0.52	2.12

Table 2. Mössbauer Parameters of Mesitylated Iron(II)–Bisphosphine Complexes50,51.