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A novel implementation of the coupled-cluster singles and doubles (CCSD)approach is presented that is specifically tailored for the treatment of large,symmetric systems. It fully exploits Abelian point-group symmetry and the useof the Cholesky decomposition of the two-electron repulsion integrals. Inaccordance with modern CCSD algorithms, we propose two alternative strategiesfor the computation of the so-called particle-particle ladder term. The code isdriven towards the optimal choice depending on the available hardwareresources. As a large-scale application, we computed the frozen-corecorrelation energy of buckminsterfullerene (C$_{60}$) with a polarized valencetriple-zeta basis set (240 correlated electrons in 1740 orbitals).

A novel coupled-cluster singles and doubles implementation that combines  the exploitation of point-group symmetry and Cholesky decomposition of the  two-electron integrals