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#1 2026-03-10 09:47:16

sid
Member
Registered: 2026-01-09
Posts: 4

FX175-ωPBE in orca

Dear members of the community,

I would like to get some information regarding how to perform a ΔUKS calculation with the FX175-ωPBE. I have checked the orca manual but I am bit confused with these functional as its not available in default. Could anyone help me with the input file format. I read that we have to provide the different amounts of Fock exchange (FX) and range-separation parameters. If someone one could shine some information regarding this it would be really helpful. I am trying to use this in Orca 6.1.1.

FYI: I am new to these type of tuning the functions.

Best regards
Sid

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