quantum-espresso/atomic_doc/all-electron/ar.in

 &input
        title='Ar',
        zed=18.0,
        xmin=-6,
        rel=0,
        beta=0.3,
        config='1s2 2s2 2p6 3s2 3p6 '
        lsd=1,
        isic=1,
        latt=0,
        iswitch=1,
        dft='LDA',
 /