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Python-based Simulations of Chemistry Framework (PySCF) is an ab initio computational chemistry program natively implemented in Python program language. The package aims to provide a simple, light-weight and efficient platform for quantum chemistry code developing and calculation. It provides various functions to do the HartreeFock, MP2, density functional theory, MCSCF, coupled cluster theory at non-relativistic level and 4-component relativistic HartreeFock theory. Although most functions are written in Python, the computation critical modules are intensively optimized in C. As a result, the package works as efficient as other C/Fortran-based quantum chemistry program. PySCF is developed by Qiming Sun. PySCF2.0 is the latest version of the program.

== See also == Quantum chemistry software

== References ==

== External links == PySCF source code PySCF HomePage