{
    "mp_code": "mp_4295218890",
    "reduced_formula": "Pr1Ru2",
    "formula": "Pr2Ru4",
    "crystal_system": "Cubic",
    "space_group": 227,
    "international": "Fd-3m",
    "number_of_ions": 6,
    "volume": 113.830000,
    "plasma_frequency_xx": 3.585650,
    "plasma_frequency_yy": 3.585650,
    "plasma_frequency_zz": 3.585650,
    "plasma_frequency_xyz": 3.585000,
    "scattering_rate": 0.1
}