Chiroptical Activity from an Achiral Biological Metal-Organic Framework

Journal of the American Chemical Society
Li-Li XuDan Li

Abstract

Chiroptical activity is observed from an achiral adenine-containing metal-organic framework (MOF) named ZnFDCA. Such a seemingly counterintuitive phenomenon can, in fact, be predicted by the intrinsic crystal symmetry of 4̅2 m point group. Although theoretically allowed, examples of optically active achiral crystals are extremely rare. ZnFDCA is the first reported achiral MOF showing optical activity, as demonstrated by a pair of circular dichroism signals with opposite signs and enhanced intensity. Moreover, simply through adding an amino substituent to adenine, the chiroptical activity, as well as nonlinear optical activity, of the analogous MOF, namely ZnFDCA-NH2, disappears due to diverse packing pattern giving rise to centrosymmetric crystal symmetry.

References

Jul 8, 2008·Angewandte Chemie·Kacey ClabornBart Kahr
Jun 6, 2009·Journal of the American Chemical Society·Jihyun AnNathaniel L Rosi
Feb 26, 2010·Accounts of Chemical Research·Bart KahrErica Gunn
Apr 19, 2016·Nature Materials·Romain GautierKenneth R Poeppelmeier
Feb 9, 2018·Chirality·Bart KahrKarl-Heinz Ernst

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Citations

Mar 9, 2019·Chemical Communications : Chem Comm·Hui XueMaochun Hong
May 1, 2019·Chemistry, an Asian Journal·Yu PengJunhua Luo
Feb 14, 2020·Sensors·Willian A Paiva-MarquesJ Ricardo Mejía-Salazar
Mar 19, 2021·Small·Rongchao ShiXian-He Bu
Jul 30, 2021·Chemical Communications : Chem Comm·Alexander T MartinBart Kahr
Sep 19, 2019·Journal of the American Chemical Society·Jian ZhaoShuang-Quan Zang

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