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Continue to ChatOrbital-Optimized MP3 and MP2.5 with Density-Fitting and Cholesky Decomposition Approximations - https://avesis.hacettepe.edu.tr/yayin/09443786-5b25-41f0-bcf5-7b20fc37ba3c/orbital-optimized-mp3-and-mp2-5-with-density-fitting-and-cholesky-decomposition-approximations