Comments (2)
Psi4 uses "standard" for cartesian (cartgauss) and shell_set and "gaussian" for solid harmonics (shgauss) https://github.com/evaleev/libint/blob/master/configure.ac#L62-L148 . After psi4/psi4#2861 is merged, you'll be able to select standard or gaussian for solid harmonics at psi4 compile time. https://github.com/psi4/psi4/blob/master/psi4/src/psi4/libmints/solidharmonics.cc may also be a file in psi4 that interests you.
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Psi4 uses "standard" for cartesian (cartgauss) and shell_set and "gaussian" for solid harmonics (shgauss) https://github.com/evaleev/libint/blob/master/configure.ac#L62-L148 . After psi4/psi4#2861 is merged, you'll be able to select standard or gaussian for solid harmonics at psi4 compile time. https://github.com/psi4/psi4/blob/master/psi4/src/psi4/libmints/solidharmonics.cc may also be a file in psi4 that interests you.
hi @loriab , thank you so much for your very quick reply.
i will have a deep look at these files.
a follow-up question, how can I verify the ordering of the different basis functions and shells for a given element?
e.g. for def2-SVP
basis set, for carbon, there are 3 sets of s AOs, 2 sets of p AOs (3 orbitals each) and finally 1 set of d AOs (5 orbitals if spherical, 6 orbitals if cartesian). I got this from Basis Set Exchange. do I assume the order is as written in the psi4
basis set file?
i.e. https://www.basissetexchange.org/basis/def2-svp/format/psi4/?version=1&elements=6
all of the s AOs are listed first, followed by all of the p AOs, and finally the d AOs.
can I assume the same ordering for the rows & columns of the density matrix?
thank you very much.
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