Static response properties of second-period atoms: coupled cluster calculations

Accurate static dipole polarizabilities and hyperpolarizabilities are calculated for the ground states of the boron, carbon, nitrogen, oxygen and fluorine atoms. Anisotropies are reported for the P-state atoms. The computations are based on a finite-field procedure using energies computed with basis sets of contracted Gaussian-type functions and the CCSD(T) method, that is the coupled cluster method in the space of single and double substitutions corrected non-iteratively for the effects of triple substitutions. These are the first electron-correlated hyperpolarizabilities reported to date for all but one of these atoms.