. Author manuscript; available in PMC: 2016 Apr 6.

Published in final edited form as: J Am Chem Soc. 2015 Oct 12;137(41):13220–13223. doi: 10.1021/jacs.5b06841

Table 1.

Mössbauer and Metrical Parameters.

Compound	δ (mm/s)	\|ΔE_Q\| (mm/s)	Fe-S (Å)^a	Fe-S-Fe (°)
2	0.72	1.17	2.2474(9)	76.20(2)
3	0.67	0.73	2.218(2)	76.34(4)
4 (outer)	0.73	2.11	2.264(4)	82.4(1)
4 (inner)	0.83	1.63	2.264(4)	82.4(1)
5	0.87	1.91	2.298(2)	100.51(9)

Crystallographically inequivalent Fe-S distances are averaged.