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SINDO

SINDO is a suite of programs for molecular vibrational analysis.

  • JSindo: Viewer of molecules and modes

    • Import the output of quantum chemistry program
    • Harmonic analysis
      • Harmonic frequencies
      • IR intensity
      • Normal modes
    • Localized modes

  • RunMakePES: Generator of anharmonic potential

    • nMR expansion (n=1-4)
    • QFF generation
    • Grid-PES based on HO-DVR
    • Hybrid PES
    • Implementation for parallel execution
    • Interface with quantum chemistry programs

  • SINDO: Solver of vibrational Schrödinger equation

    • Multiresolution PES
    • optimized-coordinate-VSCF
    • VSCF
    • VCI[m]-(k)
    • VMP2-(k)
    • VQDPT2-(k)
    • Infrared intensities and spectrum

Author

Kiyoshi Yagi
Department of Chemistry University of Tsukuba [email protected]

Copyright Notice

SINDO is distributed under the GNU General Public License version 3.

Copyright 2009 - 2024

SINDO is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.

SINDO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.

You should have received a copy of the GNU General Public
License along with SINDO -- see the file COPYING
If not, see https://www.gnu.org/licenses/.

External packages

JSindo uses the following packages.

The license files are included in JSindo/external_licenses.

Acknowledgment

Dr. Hiroya Asami (Gakushuin Univ.)
Prof. Masaaki Fujii (Tokyo Institute of Technology)
Prof. Hiroshi Fujisaki (Nippon Medical School)
Prof. So Hirata (Univ. of Illinois at Urbana-Champaign)
Prof. Wataru Mizukami (Osaka Univ.)
Prof. Hiroki Otaki (Nagasaki Univ.)
Dr. Yuji Sugita (RIKEN)

References

Review

  1. (Japanese) Development of Molecular Vibrational Structure Theory with an Explicit Account of Anharmonicity, K. Yagi, Mol. Sci. 10, A0085 (2016). [PDF]

Vibrational Theories

  1. Vibrational quasi-degenerate perturbation theory with optimized coordinates: Applications to ethylene and trans-1,3-butadiene, K. Yagi and H. Otaki, J. Chem. Phys. 140, 084113 (2014). [13 pages]
  2. Vibrational quasi-degenerate perturbation theory: Applications to Fermi resonance in CO2, H2CO, and C6H6, K. Yagi, S. Hirata, and K. Hirao, Phys. Chem. Chem. Phys. 10, 1781-1788 (2008).

Coordinates

  1. Optimized coordinates for anharmonic vibrational structure theories, K. Yagi, M. Keçeli, and S. Hirata, J. Chem. Phys. 137, 204118 (2012). [16 pages]
  2. Anharmonic Vibrational Calculations Based on Group-Localized Coordinates: Applications to Internal Water Molecules in Bacteriorhodopsin, K. Yagi and Y. Sugita, J. Chem. Theory Comput. 17, 5007-5020 (2021).

PES Generation

  1. Multiresolution potential energy surfaces for vibrational state calculations, K. Yagi, S. Hirata, and K. Hirao, Theor. Chem. Acc. 118, 681-691 (2007).
  2. Ab initio vibrational state calculations with a quartic force field: Applications to H2CO, C2H4, CH3OH, CH3CCH, and C6H6, K. Yagi, K. Hirao, T. Taketsugu, M. W. Schmidt, and M. S. Gordon, J. Chem. Phys. 121, 1383-1389 (2004).
  3. Direct vibrational self-consistent field method: Application to H2O and H2CO, K. Yagi, T. Taketsugu, K. Hirao, and M. S. Gordon, J. Chem. Phys. 113, 1005-1017 (2000).

Applications

  1. Anharmonic Vibrational Analysis of Biomolecules and Solvated Molecules Using Hybrid QM/MM Computations, K. Yagi, K. Yamada, C. Kobayashi, and Y. Sugita, J. Chem. Theory Comput. 15, 1924 (2019).
  2. Towards complete assignment of the infrared spectrum of the protonated water cluster H+(H2O)21, J. Liu, J. Yang, X. C. Zeng, S. S. Xantheas, K. Yagi, and X. He, Nat. Comm. 12, 6141 (2021).