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Gauge-including magnetically induced currents.
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GIMIC: gauge-including magnetically induced currents



The GIMIC program calculates magnetically induced currents in molecules. You need to provide this program with a density matrix in atomic-orbital (AO) basis and three (effective) magnetically perturbed AO density matrices in the proper format.

Currently ACES2, Turbomole, G09, QChem, FERMION++, and LSDalton can produce these matrices.


There is an annotated example input in the examples directory.


When using GIMIC please cite:

  • J. Juselius, D. Sundholm, J. Gauss, Calculation of Current Densities Using Gauge- Including Atomic Orbitals. J. Chem. Phys. 2004, 121, 3952-3963

  • H. Fliegl, S. Taubert, O. Lehtonen, D. Sundholm, The Gauge Including Magnetically Induced Current Method. Phys. Chem. Chem. Phys. 2011, 13, 20500-20518


  • D. Sundholm, H. Fliegl, R. J. Berger, Calculations of Magnetically Induced Current Densities: Theory and Applications. WIREs Comput. Mol. Sci. 2016, 6, 639-678

Open-shell calculations:

  • S. Taubert, D. Sundholm, J Juselius, Calculation of Spin-Current Densities Using Gauge-Including Atomic Orbitals. J. Chem. Phys. 2011, 134, 054123:1-12


  • H. Fliegl, J. Jusélius, D. Sundholm, Gauge-Origin Independent Calculations of the Anisotropy of the Magnetically Induced Current Densities, J. Phys. Chem. A, 120, 2016, 5658-5664

When using the G09 interface:

  • M. Rauhalahti, S. Taubert, D. Sundholm, V. Liegeois, Calculations of current densities for neutral and doubly charged persubstituted benzenes using ective core potentials. Phys. Chem. Chem. Phys. 2017, 19, 7124-7131

When using the NumGrid libary:

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