Abstract
Chiral organic–inorganic hybrid metal halides have a strong structure–property relationship, such as that the modification of their structural dimensionality can adjust their chiroptical properties. Here, based on chiral organic molecules R/S-methylbenzylamine (R/S-MBA), we synthesized new chiral antimony halides with structures from zero-dimensional (0D) (R/S-MBA)2SbI5to one-dimensional (1D) (R/S-MBA)SbI4. The chirality transfer from chiral ligands to the inorganic framework was analyzed based on the electrical dipole moment of R/S-MBA. The anisotropy factor of circular dichroism (gCD) of this 1D chiral (R/S-MBA)SbI4 is determined to be about ∼0.02, which is about 1 order of magnitude larger than that of the 0D (R/S-MBA)2SbI5.
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