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- W2885207787 abstract "We present results and analyses for the photoelectron spectra of small copper oxide cluster anions (CuO−, CuO2−, CuO3−, and Cu2O−). The spectra are computed using various techniques, including density functional theory (DFT) with semi-local, global hybrid, and optimally tuned range-separated hybrid functionals, as well as many-body perturbation theory within the GW approximation based on various DFT starting points. The results are compared with each other and with the available experimental data. We conclude that as in many metal-organic systems, self-interaction errors are a major issue that is mitigated by hybrid functionals. However, these need to be balanced against a strong role of non-dynamical correlation—especially in smaller, more symmetric systems—where errors are alleviated by semi-local functionals. The relative importance of the two phenomena, including practical ways of balancing the two constraints, is discussed in detail." @default.
- W2885207787 created "2018-08-22" @default.
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- W2885207787 date "2018-08-13" @default.
- W2885207787 modified "2023-10-15" @default.
- W2885207787 title "Photoelectron spectra of copper oxide cluster anions from first principles methods" @default.
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- W2885207787 doi "https://doi.org/10.1063/1.5038744" @default.
- W2885207787 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30111139" @default.
- W2885207787 hasPublicationYear "2018" @default.
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