Issue 5, 2018

Solid state vibrational circular dichroism towards molecular recognition: chiral metal complexes intercalated in a clay mineral

Abstract

Vibrational circular dichroism (VCD) spectroscopy was applied to study chirality recognition in the interlayer space of a clay mineral. Clay intercalation compounds including two kinds of chiral molecules were prepared. Firstly a cationic metal complex, Δ- or Λ-[Ru(phen)3]2+ (phen = 1,10-phenanthroline), was ion-exchanged into sodium montmorillonite. Thereafter a neutral organic molecule, R- or S-1,1′-bi-2-naphthol (denoted as R- or S-BINOL), was co-adsorbed. The solid state VCD spectra were recorded on the hybrid compounds thus prepared. The intensity of VCD peaks in the region of 1300–1400 cm−1, which were assigned to the bending vibrations of OH groups in BINOL, was remarkably dependent on the chirality relation between the two intercalated species. This implied that BINOL took a different conformation in response to the chirality of co-existing [Ru(phen)3]2+.

Graphical abstract: Solid state vibrational circular dichroism towards molecular recognition: chiral metal complexes intercalated in a clay mineral

Supplementary files

Article information

Article type
Paper
Submitted
28 7 2017
Accepted
30 8 2017
First published
30 8 2017

Phys. Chem. Chem. Phys., 2018,20, 3141-3147

Solid state vibrational circular dichroism towards molecular recognition: chiral metal complexes intercalated in a clay mineral

H. Sato, K. Tamura, K. Takimoto and A. Yamagishi, Phys. Chem. Chem. Phys., 2018, 20, 3141 DOI: 10.1039/C7CP05114J

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements