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. Author manuscript; available in PMC: 2023 Feb 2.
Published in final edited form as: J Am Chem Soc. 2022 Jan 18;144(4):1534–1538. doi: 10.1021/jacs.1c12506

Figure 2.

Figure 2.

(A) Structure of [K2(18-c-6)2(thf)][2]. Non-SH protons were omitted for clarity. (B) FTIR spectrum of [K2(18-c-6)2(thf)][2] (black) and [K2(18-c-6)2(thf)]-13CN-[2] (red) in acetonitrile under N2.