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Methods in Computational Chemistry : Methods in Computational Chemistry Electron Correlation in Atoms and Molecules Volume 1 - Stephen Wilson

Methods in Computational Chemistry

Methods in Computational Chemistry Electron Correlation in Atoms and Molecules Volume 1

By: Stephen Wilson (Editor)

Hardcover Published: 30th November 1987
ISBN: 9780306426452
Number Of Pages: 364

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When, forty years ago, as a student of Charles Coulson in Oxford I began work in theoretical chemistry, I was provided with a Brunsviga calculator-a small mechanical device with a handle for propulsion, metal levers for setting the numbers, and a bell that rang to indicate overflow. What has since come to be known as computational chemistry was just beginning. There followed a long period in which the fundamental theory of the "golden age" (1925-1935) was extended and refined and in which the dreams of the early practitioners were gradually turned into hard arithmetic reality. As a still-computing survivor from the early postwar days now enjoying the benefits of unbelievably improved hardware, I am glad to contribute a foreword to this series and to have the opportunity of providing a little historical perspective. After the Brunsviga came the electromechanical machines of the late 1940s and early 1950s, and a great reduction in the burden of calculating molecular wavefunctions. We were now happy. At least for systems conĀ­ taining a few electrons it was possible to make fully ab initio calculations, even though semiempirical models remained indispensable for most molecules of everyday interest. The 1950 papers of Hall and of Roothaan represented an important milestone along the road to larger-scale nonĀ­ empirical calculations, extending the prewar work of Hartree and Fock from many-electron atoms to many-electron molecules-and thus into "real chemistry.

1. Electron Correlation in Atoms.- 2. Electron Correlation in Molecules.- 3. Four-Index Transformations.- 4. Green's Function Monte Carlo Methods.- Author Index.

ISBN: 9780306426452
ISBN-10: 0306426455
Series: Electron Correlation in Atoms and Molecules : Book 1
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 364
Published: 30th November 1987
Publisher: SPRINGER VERLAG GMBH
Country of Publication: US
Dimensions (cm): 23.39 x 15.6  x 2.24
Weight (kg): 0.72