== Search z
    = GEO_DELTA
        O_ads     xyz = -0.10 0.10 0.01
        Ir_surf   xyz = -0.10 0.10 0.01
        Ir L(2-5) xyz = -0.10 0.10 0.01

    = VIB_DELTA
        O_ads   = -0.10 0.10 0.01
        Ir_surf = -0.03 0.03 0.01
