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Research Paper

Applied Science and Convergence Technology 2020; 29(5): 99-102

Published online September 30, 2020

https://doi.org/10.5757/ASCT.2020.29.5.099

Copyright © The Korean Vacuum Society.

Gram-scale Synthesis of Quadruply Bonded Chromium (II) Acetate with Axial Ligands by Ligand Vapor Diffusion

Jumin Park and Intek Song*

Department of Applied Chemistry, Andong National University, Andong 36729, Republic of Korea

Correspondence to:E-mail: songintek@anu.ac.kr

Received: September 7, 2020; Accepted: September 21, 2020

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-CommercialLicense (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution,and reproduction in any medium, provided the original work is properly cited.

Abstract

Quadruply bonded chromium (II) acetate coordinated with axial ligands was synthesized in gram scale by ligand vapor diffusion, where vaporphase ligands diffuse onto the surface of anhydrous chromium (II) acetate crystals without dissolution. The product was obtained in gram scale with nearly 100 % yield, with the size of each crystal being comparable to previous reports. Powder X-ray diffraction studies confirmed the high purity of the product. The reaction mechanism was scrutinized by changing the amount of ligand inside the reaction vessel and the reaction time. As a new, simple route for ligand coordination by simple diffusion of vapor, this new method would contribute to fundamental studies and application of various complexes and materials with desired ligand coordination.

Keywords: Chromium, Quadruple bond, Synthesis, Interfacial diffusion, Ligand coordination

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