#! UHF-CCSD(T) cc-pVDZ frozen-core energy for the $^2\Sigma^+$ state of the CN radical, with Z-matrix input.

memory 250 mb

molecule CN {
  0 2
  C
  N 1 R

  R = 1.175
}

set {
  reference   uhf
  basis       cc-pVDZ
  docc        [4, 0, 1, 1]
  socc        [1, 0, 0, 0]
  freeze_core true
  ao_basis disk
  delete_tei false

  r_convergence 10
  e_convergence 10
  d_convergence 10
}

energy('ccsd(t)')
