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SCELib3.0: The new revision of SCELib, the parallel computational library of molecular properties in the Single Center Approach

N. Sanna, I. Baccarelli, G. Morelli
CASPUR, Consortium for Supercomputing in Research, Via dei Tizii 6, 00185 Rome, Italy
Computer Physics Communications (25 July 2009)

@article{sanna2009scelib3,

   title={SCELib3. 0: The new revision of SCELib, the parallel computational library of molecular properties in the Single Center Approach},

   author={Sanna, N. and Baccarelli, I. and Morelli, G.},

   journal={Computer Physics Communications},

   volume={180},

   number={12},

   pages={2544–2549},

   issn={0010-4655},

   year={2009},

   publisher={Elsevier}

}

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SCELib is a computer program which implements the Single Center Expansion (SCE) method to describe molecular electronic densities and the interaction potentials between a charged projectile (electron or positron) and a target molecular system. The first version (CPC Catalog identifier ADMG_v1_0) was submitted to the CPC Program Library in 2000, and version 2.0 (ADMG_v2_0) was submitted in 2004. We here announce the new release 3.0 which presents additional features with respect to the previous versions aiming at a significative enhance of its capabilities to deal with larger molecular systems. SCELib 3.0 allows for ab initio effective core potential (ECP) calculations of the molecular wavefunctions to be used in the SCE method in addition to the standard all-electron description of the molecule. The list of supported architectures has been updated and the code has been ported to platforms based on accelerating coprocessors, such as the NVIDIA GPGPU and the new parallel model adopted is able to efficiently run on a mixed many-core computing system.
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