Abstract
Changes in the composition and electronic state of iridium in the [Ir(COD)Cl]2 complex, which are induced by X-ray radiation and oxidation by atmospheric oxygen, are studied by XPS.
REFERENCES
K. Oura, V. G. Lifshits, A. A. Saranin, A. V. Zotov, and M. Katayama. Surface Science: An Introduction. Heidelberg: Springer, 2003.
K. Hermann. Crystallography and Surface Structure: An Introduction for Surface Scientists and Nanosientists, 2nd edition. Weinheim: Wiley-VCH, 2017.
A. V. Nartova, L. M. Kovtunova, A. K. Khudorozhkov, K. I. Shefer, G. V. Shterk, R. I. Kvon, and V. I. Bukhtiyarov. Influence of preparation conditions on catalytic activity and stability of platinum on alumina catalysts in methane oxidation. Appl. Catal., A, 2018, 566, 174-180. https://doi.org/10.1016/j.apcata.2018.08.029
K. D. Hesp, S. Tobish, and M. Stradiotto. [Ir(COD)Cl]2 as a catalyst precursor for the intramolecular hydroamination of unactivated alkenes with primary amines and secondary alkyl- or arylamines: A combined catalytic, mechanistic, and computational investigation. J. Am. Chem. Soc., 2010, 132(1), 413-426. https://doi.org/10.1021/ja908316n
K. Taguchi, H. Nakagawa, T. Hirabayashi, S. Sakagichi, and Y. Ishii. An efficient direct -alkylation of ketones with primary alcohols catalyzed by [Ir(cod)Cl]2/PPh3/KOH system without solvent. J. Am. Chem. Soc., 2004, 126(1), 72/73. https://doi.org//10.1021/ja037552c
M. Marigo, N. Marsich, and E. Farnetti. Polymerization of phenylacetylene catalyzed by organoiridium compounds. J. Mol. Catal., A, 2002, 187(2), 169-177. https://doi.org/10.1016/S1381-1169(02)00270-4
I. V. Skovpin, L. M. Kovtunova, A. V. Nartova, R. I. Kvon, V. I. Bukhtiyarov, and I. V. Koptyug. Anchored complexes of rhodium and iridium for the hydrogenation of alkynes and olefins with parahydrogen. Catal. Sci. Technol., 2022, 12, 3247-3253 https://doi.org/10.1039/D1CY02258J
E. V. Pokochueva, D. B. Dudari, O. G. Salnikov, and I. V. Koptyug. Heterogeneous catalysis and parahydrogen-induced polarization. Chem. Phys. Chem., 2021, 22(14), 1421-1440 https://doi.org/10.1002/cphc.202100153
N. K. Fernando, A. B. Cairns, C. A. Murray, A. L. Thompson, J. L. Dickerson, E. F. Garman, N. Ahmed, and L. E. Ratcliff, A. Regoutz. Structural and electronic effects of X-ray irradiation on prototypical [M(COD)Cl]2 catalysts. J. Phys. Chem. A, 2021, 125, 7473-7488. https://doi.org/10.1021/acs.jpca.1c05759
J. F. Moulder, W. F. Stckle, P. E. Sobol, and K. D. Bomben. Handbook of X-ray Photoelectron Spectroscopy. Eden Prairie, MN: Perkin-Elmer, 1992.
F. A. Cotton, P. Lahuerta, M. Sanau, and W. Schwotzer. Air oxidation of Ir2(Cl)2(COD)2 revisited. The structures of [Ir(2-Cl)(COD)]2(ruby form) and its oxidation product, Ir2Cl2(COD)2(2-OH)2(2-O). Inorg. Chim. Acta, 1986, 120(2), 153-157. https://doi.org/10.1016/S0020-1693(00)86102-2
Funding
The authors are grateful to the Russian Science Foundation for the support of this study performed at the Institute of Catalysis, Siberian Branch, Russian Academy of Sciences (grant No. 19-13-00172-P).
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
The authors declare that they have no conflicts of interests.
Additional information
Russian Text © The Author(s), 2023, published in Zhurnal Strukturnoi Khimii, 2023, Vol. 64, No. 2, 106142.https://doi.org/10.26902/JSC_id106142
Rights and permissions
About this article
Cite this article
Kvon, R.I., Nartova, A.V., Kovtunova, L.M. et al. COMPARATIVE XPS STUDY OF THE COMPOSITION AND ELECTRONIC STATE OF IRIDIUM IN BULK AND IMMOBILIZED BINUCLEAR [Ir(COD)Cl]2 COMPLEXES. J Struct Chem 64, 270–275 (2023). https://doi.org/10.1134/S0022476623020117
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S0022476623020117