Computational Chemistry Package


BAGEL (Brilliantly Advanced General Electronic-structure Library) is a computational chemistry package aimed at large-scale parallel computations. It specializes on highgly accurate methods and includes density-fitting and relativistic effects for most of the methods it implements.

It can compute energies and gradients for the following methods:
 * Hartree-Fock (HF)
 * Density-Functional Theory (DFT)
 * Second-order Moeller-Plesset perturbation theory (MP2)
 * Complete active space SCF (CASSCF)
 * Complete active space second order perturbation theory (CASPT2)
 * Extended multistate CASPT2 (XMS-CASPT2)

Additionally, it can compute energies for the following methods:
 * Configuration-interaction singles (CIS)
 * Full configuration-interaction (FCI)
 * Multi-state internally contracted multireference configuration-interaction
 * N-electron valence-state second order perturbation theory (NEVPT2)
 * Active-space decomposition (ASD) for dimers and for multiple sites via
   density matrix renormalization group (ASD-DMRG)

BAGEL is able to optimize stationary geometries and conical intersections and to compute vibrational frequencies.

BAGEL does not include a disk interface, so computations need to fit in memory.

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Install this software package

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Install bagel