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Issue 39, 2009
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Formation and characterization of the CuO5, CuO4 and CuO4 complexes in solid argon

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Abstract

Matrix isolation infrared spectra and quantum chemical calculations of the copper dioxygen/ozonide complexes, CuO5, CuO4 and CuO4 are reported. These oxygen-rich species were prepared by reactions of laser-evaporated copper atoms with dioxygen or ozone in solid argon. The CuO5 complex was determined to be a superoxo copper ozonide complex, in which both the superoxo and ozonide ligands are side-on bonded to the copper center. It was predicted to have a 4A1 ground state with planar C2v symmetry. Besides CuO5, the previously observed CuO4 complex and a new CuO4 anion were also formed. The CuO4 complex was characterized to be a side-on bonded copper disuperoxide complex, which has a 4B2u ground state with planar D2h symmetry. The CuO4 anion was characterized to be a disuperoxide complex with both superoxide ligands coordinated to the Cu center in an end-on fashion having a 3Au ground state with planar C2h symmetry.

Graphical abstract: Formation and characterization of the CuO5, CuO4 and CuO4− complexes in solid argon

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Article information


Submitted
21 May 2009
Accepted
10 Jul 2009
First published
31 Jul 2009

Phys. Chem. Chem. Phys., 2009,11, 8714-8720
Article type
Paper

Formation and characterization of the CuO5, CuO4 and CuO4 complexes in solid argon

Y. Gong and M. Zhou, Phys. Chem. Chem. Phys., 2009, 11, 8714
DOI: 10.1039/B909999A

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