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. Author manuscript; available in PMC: 2007 May 10.
Published in final edited form as: J Am Chem Soc. 2005 Oct 19;127(41):14422–14433. doi: 10.1021/ja053148x

Figure 6.

Figure 6

IR spectrum of a single crystal of [Fe(TPP)(CO)(1,2-Me2Im)]·C7H8 mulled in Nujol. Two C–O stretches are observed as a result of distinct methyl group interactions with two orientations of a 1,2-dimethylimidazole from an adjacent molecule in the crystal lattice.