  Atomic properties of the 24 low-lying ns, np, nd, nf, and ng states in Th IV
ion are calculated using the high-precision relativistic all-order method where
all single, double, and partial triple excitations of the Dirac-Fock wave
functions are included to all orders of perturbation theory. Recommended values
are provided for a large number of electric-dipole matrix elements, oscillator
strengths, transition rates, and lifetimes. Scalar polarizabilities of the
ground and six excited states (5f_j, 6d_j, 7p_j, and 7s), and tensor
polarizabilities of the 5f_j, 6d_j, 7p_{3/2} states of Th IV are evaluated. The
uncertainties of the recommended values are estimated. These calculations
provide recommended values critically evaluated for their accuracy for a number
of Th IV atomic properties for use in theoretical modeling as well as planning
and analysis of various experiments including development of ultra precise
nuclear clock and RESIS studies of actinide ions
