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. Author manuscript; available in PMC: 2020 May 29.
Published in final edited form as: J Am Chem Soc. 2019 May 14;141(21):8550–8556. doi: 10.1021/jacs.9b02288

Figure 5.

Figure 5.

(A) Noncovalent interaction between the Nβ of 2 and imidazolium (NCI analysis; supporting ligands omitted for clarity). (B) Re−N and N−N Wiberg bond indices and (C) NBO Nα (red) and Nβ (blue) charges of adducts of 2.