C2 with GAMESS
from qmcblip.gamess.utils import Presets
from qmcblip.champ import CHAMP
atoms = Presets.C2().atoms
input = Presets.C2().build('../../champ')
input.optwf.nopt_iter = 100
atoms.calc = CHAMP(champ_loc='../../champ/bin/vmc.mov1', settings = input)
print(atoms.get_total_energy())