. Author manuscript; available in PMC: 2012 Feb 28.

Published in final edited form as: Inorg Chem. 2012 Jan 20;51(4):2393–2402. doi: 10.1021/ic202379b

Table 1.

Summary of Spectroscopic Data.

	Crude Solid			2	10a	10b
Mössbauer^a	Site 1	Site 2	Site 3
δ (mm/s)	0.44	0.44	0.44	0.44	0.44	0.44
ΔE_Q (mm/s)	1.16	1.66	0.71	1.46	1.47	1.49
Γ (mm/s)	0.35	0.32	0.40	0.47	0.38	0.38
	36%	28%	36%

UV-visible^b λ_max (nm)	* heterogeneous solution			370, 550	450, 490, 690	454, 504, 700

Infrared^c ν (cm⁻¹)		2945 1600 1575		2947 1599 1575	2927 1598 1576	2960 1599 1570
					1540	1532
		1478		1478	1478	1478
		1456		1455	1450	1450
		1401		1402	1402	1402
		1384		1384	1384
		1293		1292	1292	1291
		1267		1268	1267	1264
		1077		1076	1091	1092
		1096
		995		995	994	995
		874		874	875	875
				800 (w)		800
		768(w)		763(w)	765	764
		660		657(w)
		623		624	623	623

¹H NMR^d δ (ppm)	* heterogeneous solution			4.70, 4.00, 3.89, 3.60, 3.42, 2.79, 2.24, 1.63	3.92, 3.68, 3.28, 2.94, 2.45	3.91, 3.67, 3.28, 2.93, 2.44

Polycrystalline samples recorded at 80 K.

Recorded in dichloromethane at RT.

Measured as KBr pellets; IR peaks designated with a “w” indicate weak intensity.

Recorded in chloroform-d₁.