source: ThirdParty/mpqc_open/src/bin/mpqc/validate/H2OFRQINPUTS/h2ofrq_mp2006311gssc1optfrq.in

% Emacs should use -*- KeyVal -*- mode
% this file was automatically generated
% label: water test series
% molecule specification
molecule<Molecule>: (
  symmetry = C1
  unit = angstrom
  { atoms geometry } = {
     O     [     0.000000000000     0.000000000000     0.369372944000 ]
     H     [     0.783975899000     0.000000000000    -0.184686472000 ]
     H     [    -0.783975899000     0.000000000000    -0.184686472000 ]
  }
)
% basis set specification
basis<GaussianBasisSet>: (
  name = "6-311G**"
  molecule = $:molecule
)
mpqc: (
  checkpoint = no
  savestate = no
  restart = no
  % molecular coordinates for optimization
  coor<SymmMolecularCoor>: (
    molecule = $:molecule
    generator<IntCoorGen>: (
      molecule = $:molecule
    )
  )
  do_energy = yes
  do_gradient = no
  % method for computing the molecule's energy
  mole<MBPT2>: (
    molecule = $:molecule
    basis = $:basis
    coor = $..:coor
    memory = 32000000
    method = mp
    nfzc = 0
    nfzv = 0
    reference<CLHF>: (
      molecule = $:molecule
      basis = $:basis
      total_charge = 0
      multiplicity = 1
      memory = 32000000
      guess_wavefunction<CLHF>: (
        molecule = $:molecule
        total_charge = 0
        multiplicity = 1
        basis<GaussianBasisSet>: (
          molecule = $:molecule
          name = "STO-3G"
        )
        memory = 32000000
      )
    )
    hessian<FinDispMolecularHessian>: (
      checkpoint = no
      restart = no
    )
  )
  optimize = yes
  % optimizer object for the molecular geometry
  opt<QNewtonOpt>: (
    max_iterations = 20
    function = $..:mole
    update<BFGSUpdate>: ()
    convergence<MolEnergyConvergence>: (
      cartesian = yes
      energy = $..:..:mole
    )
  )
% vibrational frequency input
  freq<MolecularFrequencies>: (
    molecule = $:molecule
  )
)