ideal_gas(
    name="complete",
    elements=" C H O",
    species="gri30: O2 CH4 H2O CO2",
    initial_state=state(temperature=298.0,
                        pressure = 100000.0))

ideal_gas(
    name="incomplete",
    elements=" C H O",
    species="gri30: O2 CH4 H2O CO2 CO H2 OH",
    initial_state=state(temperature=298.0,
                        pressure = 100000.0))

ideal_gas(
    name="overconstrained-1",
    elements=" C H O",
    species="gri30: O2 CH4",
    initial_state=state(temperature=298.0,
                        pressure = 100000.0))

ideal_gas(
    name="overconstrained-2",
    elements=" C H O N Ar",
    species="gri30: O2 CH4 AR",
    initial_state=state(temperature=298.0,
                        pressure = 100000.0))