/usr/share/psi4/samples/adc2/input.dat is in psi4-data 1:1.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | #! ADC/aug-cc-pVDZ on two water molecules that are distant from 1000 angstroms from each other
molecule h2ox2 {
   o                               0.000000    0.000000    0.118621
   h                               0.000000    0.756713   -0.474484
   h                               0.000000   -0.756713   -0.474484
   o                               1000.000000    0.000000    0.118621
   h                               1000.000000    0.756713   -0.474484
   h                               1000.000000   -0.756713   -0.474484
 symmetry c1
}
set {
    reference rhf
    basis aug-cc-pvdz
    guess core
    roots_per_irrep [2]
}
ref_energy = -152.52670794053822
adc_energy = energy('adc')
 |