def flatten_material(material):
    """
    Flattens a given material.

    Args:
        material (dict): material config.

    Returns:
        list
    """
    lattice = material['lattice']
    return [material['_id'], material['name'], ', '.join(material['tags']),
        len(material['basis']['coordinates']), lattice['a'], lattice['b'],
        lattice['c'], lattice['alpha'], lattice['beta'], lattice['gamma']]
