def _get_orb_lobster(orb):
    """
    Args:
        orb: string representation of orbital
    Returns:
         Orbital
    """
    orb_labs = ["s", "p_y", "p_z", "p_x", "d_xy", "d_yz", "d_z^2",
                "d_xz", "d_x^2-y^2", "f_y(3x^2-y^2)", "f_xyz",
                "f_yz^2", "f_z^3", "f_xz^2", "f_z(x^2-y^2)", "f_x(x^2-3y^2)"]

    try:
        orbital = Orbital(orb_labs.index(orb[1:]))
        return orbital
    except AttributeError:
        print("Orb not in list")