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arxiv: 0901.1739 · v1 · submitted 2009-01-13 · ❄️ cond-mat.mtrl-sci · cond-mat.str-el

Theoretical study of electronic and atomic structures of (MnO)n

classification ❄️ cond-mat.mtrl-sci cond-mat.str-el
keywords atomicelectronicexchange-correlationfunctionalsaccuracyaccurateb3lypcalculate
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We calculate the electronic and atomic structure of (MnO)n (n=1-4) using the HF exchange, VWN, PBE and B3LYP exchange-correlation functionals. We also perform diffusion Monte Carlo calculation to evaluate more accurate energies. We ompare these results and discuss the accuracy of the exchange-correlation functionals.

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