What does MNDO mean?
Definitions for MNDO
mndo
This dictionary definitions page includes all the possible meanings, example usage and translations of the word MNDO.
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Wikipedia
MNDO
MNDO, or Modified Neglect of Diatomic Overlap is a semi-empirical method for the quantum calculation of molecular electronic structure in computational chemistry. It is based on the Neglect of Diatomic Differential Overlap integral approximation. Similarly, this method replaced the earlier MINDO method. It is part of the MOPAC program and was developed in the group of Michael Dewar. It is also part of the AMPAC, GAMESS (US), PC GAMESS, GAMESS (UK), Gaussian, ORCA and CP2K programs. Later, it was essentially replaced by two new methods, PM3 and AM1, which are similar but have different parameterisation methods. The extension by W. Thiel's group, called MNDO/d, which adds d functions, is widely used for organometallic compounds. It is included in GAMESS (UK). MNDOC, also from W. Thiel's group, explicitly adds correlation effects though second order perturbation theory with the parameters fitted to experiment from the correlated calculation. In this way, the method should give better results for systems where correlation is particularly important and different from that in the ground state molecules from the MNDO training set. This include excited states and transition states. However Cramer (see reference below) argues that "the model has not been compared to other NDDO models to the degree necessary to evaluate whether the formalism lives up to that potential.
Numerology
Chaldean Numerology
The numerical value of MNDO in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of MNDO in Pythagorean Numerology is: 1
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"MNDO." Definitions.net. STANDS4 LLC, 2024. Web. 2 May 2024. <https://www.definitions.net/definition/MNDO>.
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