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a) FTIR spectra and b) solid‐state 11B NMR spectra of the helical structures formed by the CHO‐Bolas and BDBA, as well as brick‐shaped structure formed by BDBA alone. c) Solid‐state 13C NMR spectra of the helical structures formed by MCCM‐12 and BDBA, as well as brick‐shaped structure formed by BDBA alone. Asterisks indicate spinning side‐band peaks. d) Plausible packing model of the co‐assembled helical structures.
