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Psi4でUHF、UDFT計算

Last updated at Posted at 2022-05-20

Psi4で非制限HF計算をする際にちょっと詰まったのでメモしておきます。結構使う手法なわりにマニュアルをたどるのが面倒だったので。

molecule {
1 2 # charge mult
... # xyz
}
set reference UHF
set basis def2-svp
energy('b3lyp')

ちなみに、電荷、多重度の指定は以下でもできます。

molecule mol {
... # xyz
}
mol.set_molecular_charge(1)
mol.set_multiplicity(2)
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