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Topic		Replies	Views	Activity
Making Topics that Get Answered Most questions that are answered on the Psi4 Forums are answered by a small group of developers and powerusers. Their time and energy is divided between their own research, further Psi development, and helping users. Acc…		2	3658	August 12, 2019
Welcome to the PSI4 Forum!		1	23023	July 16, 2015
Limit output of orbital energies?		1	18	April 24, 2024
Convergence of Geom opt + frozen dihedral		1	38	April 19, 2024
Unit of polarizability and meaning of the value		3	84	April 19, 2024
Perturb_dipole ? to change electric filed applied for a moleclue		2	48	April 16, 2024
Generating cube files for density		3	67	April 8, 2024
Defining the origin of a cube file		0	65	March 27, 2024
CCEOM can find root energies by irrep in C2v but not in Cs		3	102	March 21, 2024
LDA potential in real space: should be diagonal?		3	79	March 21, 2024
Plotting XC potential in real space		6	156	March 13, 2024
How to align the atomic orbitals between pyscf and psi4		8	187	March 13, 2024
Different "SCF" and "Reference" energies for a CCSD calculation?		4	203	March 5, 2024
Transition dipoles between Electronic and ground vibrational states	$fracton - Most Recent Poster$	2	563	February 26, 2024
Installing Psi4 for Matlab use		0	90	February 10, 2024
Linking BrianQC with PSI4		0	112	February 5, 2024
Excitation and de-excitation matrix		4	125	February 1, 2024
KE from CCSD density matrix not matching value in output file		3	194	January 2, 2024
How to estimate activation energy and pre exponential factor for a surface reaction		0	172	December 25, 2023
Applying an external electric field		0	156	December 19, 2023
How to get or calculate the dual descriptor at atom level?		0	183	December 14, 2023
Frequency differences between code versions		2	199	December 8, 2023
Dispersion gradients		5	252	January 22, 2024
Fchk() of CCSD(T) broken for PSI4-1.8 and 1.8.1		1	230	November 21, 2023
DF-UMP2 and DF-CCSD(T) unrelaxed density not generated		3	339	November 21, 2023
Support for Fragment Molecular Orbital (FMO)		3	233	November 14, 2023
EOM-CC3 calculation		2	220	November 7, 2023
EOM-CC3 calculation of triplet excited state		2	281	November 6, 2023
Restarting DFT calculation from DF electron density		2	178	November 2, 2023
Undefined CCEOM variables		3	199	November 1, 2023

Making Topics that Get Answered

Most questions that are answered on the Psi4 Forums are answered by a small group of developers and powerusers. Their time and energy is divided between their own research, further Psi development, and helping users. Acc…