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. Author manuscript; available in PMC: 2020 Feb 27.
Published in final edited form as: J Am Chem Soc. 2019 Feb 13;141(8):3717–3722. doi: 10.1021/jacs.9b00363

Figure 1.

Figure 1.

Characterization of SCCs. (a-c) Partial 1H NMR spectra (500 MHz, DMSO-d6, 298 K) of 4 (a) organic ligand 1 (b) and 5 (c). (d-e) 31P{1H} NMR spectra (121 MHz, DMSO-d6, 298 K) of 4 (d) and 5 (e). (f-g) Experimental (red) and calculated (blue) ESI-TOF-MS spectra of 4 [M – 5OTf]5+ (f) and 5 [M – 3OTf]3+ (g).