New Developments in Molecular Orbital Theory
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This article is published in Reviews of Modern Physics.The article was published on 1951-04-01 and is currently open access. It has received 4691 citations till now. The article focuses on the topics: Molecular orbital theory.read more
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General atomic and molecular electronic structure system
Michael W. Schmidt,Kim K. Baldridge,Jerry A. Boatz,Steven T. Elbert,Mark S. Gordon,Jan H. Jensen,Shiro Koseki,Nikita Matsunaga,Kiet A. Nguyen,Shujun Su,Theresa L. Windus,Michel Dupuis,John A. Montgomery +12 more
TL;DR: A description of the ab initio quantum chemistry package GAMESS, which can be treated with wave functions ranging from the simplest closed‐shell case up to a general MCSCF case, permitting calculations at the necessary level of sophistication.
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The influence of polarization functions on molecular orbital hydrogenation energies
P. C. Hariharan,John A. Pople +1 more
TL;DR: In this paper, a split-valence extended gaussian basis set was used to obtain the LCAO-MO-SCF energies of closed shell species with two non-hydrogen atoms.
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Electronic Population Analysis on LCAO–MO Molecular Wave Functions. I
TL;DR: In this paper, an analysis in quantitative form is given in terms of breakdowns of the electronic population into partial and total ''gross atomic populations'' and ''overlap populations'' for molecules.
Journal ArticleDOI
An all‐electron numerical method for solving the local density functional for polyatomic molecules
TL;DR: In this paper, a method for accurate and efficient local density functional calculations (LDF) on molecules is described and presented with results using fast convergent threedimensional numerical integrations to calculate the matrix elements occurring in the Ritz variation method.
Journal ArticleDOI
Self‐Consistent Molecular‐Orbital Methods. IX. An Extended Gaussian‐Type Basis for Molecular‐Orbital Studies of Organic Molecules
TL;DR: In this article, an extended basis set of atomic functions expressed as fixed linear combinations of Gaussian functions is presented for hydrogen and the first row atoms carbon to fluorine, where each inner shell is represented by a single basis function taken as a sum of four Gaussians and each valence orbital is split into inner and outer parts described by three and one Gaussian function, respectively.