Michael J. S. Dewar

51.9k total citations · 9 hit papers
496 papers, 42.2k citations indexed

About

Michael J. S. Dewar is a scholar working on Organic Chemistry, Physical and Theoretical Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Michael J. S. Dewar has authored 496 papers receiving a total of 42.2k indexed citations (citations by other indexed papers that have themselves been cited), including 275 papers in Organic Chemistry, 208 papers in Physical and Theoretical Chemistry and 126 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Michael J. S. Dewar's work include Advanced Chemical Physics Studies (110 papers), Various Chemistry Research Topics (102 papers) and Inorganic and Organometallic Chemistry (64 papers). Michael J. S. Dewar is often cited by papers focused on Advanced Chemical Physics Studies (110 papers), Various Chemistry Research Topics (102 papers) and Inorganic and Organometallic Chemistry (64 papers). Michael J. S. Dewar collaborates with scholars based in United States, United Kingdom and Germany. Michael J. S. Dewar's co-authors include James J. P. Stewart, Eamonn F. Healy, Walter Thiel, Donald H. Lo, Richard C. Bingham, Henry S. Rzepa, Ralph C. Dougherty, Michael L. McKee, Caoxian Jie and George P. Ford and has published in prestigious journals such as Nature, Science and Chemical Reviews.

In The Last Decade

Michael J. S. Dewar

489 papers receiving 39.2k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Development and use of quantum mechanical molecular models. 76. AM1: a new general purpose quantum mechanical molecular model

1985 11.7k citations Michael J. S. Dewar et al. Journal of the American Chemical Society profile →
Ground states of molecules. 38. The MNDO method. Approximations and parameters

1977 4.4k citations Michael J. S. Dewar et al. Journal of the American Chemical Society profile →
Ground states of molecules. XXV. MINDO/3. Improved version of the MINDO semiempirical SCF-MO method

1975 1.3k citations Michael J. S. Dewar, Donald H. Lo et al. Journal of the American Chemical Society profile →
Ground states of molecules. 39. MNDO results for molecules containing hydrogen, carbon, nitrogen, and oxygen

1977 1.2k citations Michael J. S. Dewar et al. Journal of the American Chemical Society profile →
The molecular orbital theory of conjugated systems

1967 529 citations Michael J. S. Dewar profile →
The PMO Theory of Organic Chemistry

1975 479 citations Michael J. S. Dewar et al. profile →
Oxidative coupling of phenols

1968 421 citations Michael J. S. Dewar et al. Journal of the American Chemical Society profile →
Ground states of conjugated molecules. XI. Improved treatment of hydrocarbons

1969 400 citations Michael J. S. Dewar et al. Journal of the American Chemical Society profile →
Evaluation of AM1 calculated proton affinities and deprotonation enthalpies

1986 384 citations Michael J. S. Dewar, Kenneth M. Dieter Journal of the American Chemical Society profile →

Peers

Countries citing papers authored by Michael J. S. Dewar

Since Specialization

Citations

This map shows the geographic impact of Michael J. S. Dewar's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Michael J. S. Dewar with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Michael J. S. Dewar more than expected).

Fields of papers citing papers by Michael J. S. Dewar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael J. S. Dewar. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Michael J. S. Dewar. The network helps show where Michael J. S. Dewar may publish in the future.

Co-authorship network of co-authors of Michael J. S. Dewar

This figure shows the co-authorship network connecting the top 25 collaborators of Michael J. S. Dewar. A scholar is included among the top collaborators of Michael J. S. Dewar based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Michael J. S. Dewar. Michael J. S. Dewar is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	An efficient procedure for calculating the molecular gradient, using SCF-CI semiempirical wavefunctions with a limited number of configurations 1990 ·Journal of Molecular Structure THEOCHEM ·Michael J. S. Dewar, D. Liotard	46
2	Mechanism of the chain extension step in the biosynthesis of fatty acids 1988 ·Biochemistry ·Michael J. S. Dewar, Kenneth M. Dieter	23
3	An improved set of mndo parameters for sulfur 1986 ·Journal of Computational Chemistry ·Michael J. S. Dewar, Charles H. Reynolds	229
4	Ground states of molecules 1980 ·Journal of Molecular Structure ·Michael J. S. Dewar, Michael L. McKee	12
5	Some Recent Developments in Quantum Organic Chemistry 1978 ·Novartis Foundation symposium ·Michael J. S. Dewar	2
6	MINDO/3 Study of the thermal isomerizations of methylbicyclo[2,1,0]pent-2-ene and its 1- and 2- methyl derivatives 1975 ·Journal of the Chemical Society Chemical Communications ·Michael J. S. Dewar, Steven Kirschner	4
7	Ground states of molecules. XXI. Mindo (2) potential surface for ethane 1972 ·Proceedings of the Royal Society of London A Mathematical and Physical Sciences ·Michael J. S. Dewar, Horia Metiu	5
8	Ground states of molecules 1972 ·Theoretical Chemistry Accounts ·Michael J. S. Dewar, Paul K. Weiner	0
9	Ground states of σ-bonded molecules. Part XII. MINDO/1 studies of inversion barriers, rotational barriers, tautomerism, and hydrogen bonding 1971 ·Journal of the Chemical Society A Inorganic Physical Theoretical ·Michael J. S. Dewar, (unknown)	4
10	MINDO/2 calculations of nuclear quadrupole coupling constants of the chlorobenzenes 1971 ·Journal of the Chemical Society D Chemical Communications ·Michael J. S. Dewar, Donald H. Lo, Dennis B. Patterson, Nenad Trinajsti, G. E. Peterson	1
11	Calculated and observed ionization potentials of unsaturated polycyclic hydrocarbons; calculated heats of formation by several semiempirical s. c. f. m.o. methods 1970 ·Proceedings of the Royal Society of London A Mathematical and Physical Sciences ·Michael J. S. Dewar, Edwin Haselbach, S. D. Worley	46
12	Ground states of conjugated molecules XVI. Treatment of hydrocarbons by l.c.a.o. s.c.f. m.o 1970 ·Proceedings of the Royal Society of London A Mathematical and Physical Sciences ·Michael J. S. Dewar, Alan J. Harget	46
13	Solvolysis of arylmethyl halides and p-toluenesulfonates 1970 ·Journal of the American Chemical Society ·Michael D. Bentley, Michael J. S. Dewar	9
14	Heteroaromatic compounds. XXIX. Mechanism of salt formation in some nitroborazarophenanthrenes 1968 ·The Journal of Organic Chemistry ·Michael J. S. Dewar, Richard S. Jones, (unknown)	4
15	Doubly Charged Ions in the Mass Spectra of Some Organoboron Derivatives¹ 1965 ·Journal of the American Chemical Society ·Michael J. S. Dewar, Peter A. Rona	5
16	Substituent Effects. IV.¹ A Quantitative Theory 1962 ·Journal of the American Chemical Society ·Michael J. S. Dewar, Patrick J. Grisdale	88
17	The s. p -o. (split- p -orbital) method, II. Further definition and application to acctylene 1961 ·Proceedings of the Royal Society of London A Mathematical and Physical Sciences ·Michael J. S. Dewar, (unknown)	30
18	Resonance and conjugation—II Factors determining bond lengths and heats of formation 1960 ·Tetrahedron ·Michael J. S. Dewar, H. N. Schmeising	195
19	77. Chemical applications of nuclear quadrupole resonance spectroscopy. Part II. Chloro-derivatives of maleic anhydrides, thiophen, and anilinium salts 1959 ·Journal of the Chemical Society (Resumed) ·Michael J. S. Dewar, E. A. C. Lücken	5
20	The correspondence between the resonance and molecular orbital theories 1952 ·Proceedings of the Royal Society of London A Mathematical and Physical Sciences ·Michael J. S. Dewar, Hugh Christopher Longuet-Higgins	120

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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