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. 2021 Nov 25;12:6908. doi: 10.1038/s41467-021-27282-9

Fig. 3. The centric-to-acentric symmetric variation involved in the two-step structural transformation.

Fig. 3

a The temperature-dependence of SHG upon heating the crystal of 1-0D to 420 K. Inset: comparison of the SHG signal with KDP. b The CD spectra of 1-1D with enantiomeric structures.