Carl S. Ewig

3.0k total citations · 1 hit paper
74 papers, 2.5k citations indexed

About

Carl S. Ewig is a scholar working on Atomic and Molecular Physics, and Optics, Spectroscopy and Organic Chemistry. According to data from OpenAlex, Carl S. Ewig has authored 74 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 47 papers in Atomic and Molecular Physics, and Optics, 20 papers in Spectroscopy and 17 papers in Organic Chemistry. Recurrent topics in Carl S. Ewig's work include Advanced Chemical Physics Studies (43 papers), Spectroscopy and Quantum Chemical Studies (14 papers) and Molecular Spectroscopy and Structure (9 papers). Carl S. Ewig is often cited by papers focused on Advanced Chemical Physics Studies (43 papers), Spectroscopy and Quantum Chemical Studies (14 papers) and Molecular Spectroscopy and Structure (9 papers). Carl S. Ewig collaborates with scholars based in United States, Taiwan and India. Carl S. Ewig's co-authors include A. T. Hagler, John R. Van Wazer, Marvin Waldman, Ming‐Jing Hwang, Jon R. Maple, Uri Dinur, Thomas P. Stockfisch, Prasad L. Polavarapu, Zhengwei Peng and L. J. Schaad and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and Physical review. B, Condensed matter.

In The Last Decade

Carl S. Ewig

74 papers receiving 2.4k citations

Hit Papers

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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.

Derivation of class II force fields. I. Methodology and quantum force field for the alkyl functional group and alkane molecules

1994 678 citations Ming‐Jing Hwang, Marvin Waldman et al. Journal of Computational Chemistry profile →

Peers

Countries citing papers authored by Carl S. Ewig

Since Specialization

Citations

This map shows the geographic impact of Carl S. Ewig'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 Carl S. Ewig with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Carl S. Ewig more than expected).

Fields of papers citing papers by Carl S. Ewig

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Carl S. Ewig. 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 Carl S. Ewig. The network helps show where Carl S. Ewig may publish in the future.

Co-authorship network of co-authors of Carl S. Ewig

This figure shows the co-authorship network connecting the top 25 collaborators of Carl S. Ewig. A scholar is included among the top collaborators of Carl S. Ewig 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 Carl S. Ewig. Carl S. Ewig 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	Global Processes, Local Consequences: Gender Equity and Health Sector Reform in Peru 2006 ·Social Politics International Studies in Gender State & Society ·Carl S. Ewig	24
2	Ab Initio Embedded Cluster Study of F and M Centers in LiF 2001 ·The Journal of Physical Chemistry B ·Christoph Kölmel, Carl S. Ewig	11
3	Derivation of class II force fields. VI. Carbohydrate compounds and anomeric effects 1998 ·Biopolymers ·Ming‐Jing Hwang, (unknown), Marvin Waldman, Carl S. Ewig, A. T. Hagler	87
4	The structure and energetics of glycine polymorphs based on first principles simulation using density functional theory 1998 ·Chemical Communications ·C. M. Freeman, Jan Andzelm, Carl S. Ewig, Jörg‐Rüdiger Hill, B. Delley	17
5	Vibrational properties of the peptide group: achiral and chiral conformers of N-methylacetamide 1994 ·The Journal of Physical Chemistry ·Prasad L. Polavarapu, Zhengyu Deng, Carl S. Ewig	23
6	Theory of multicenter partitioning of molecular energies 1990 ·The Journal of Chemical Physics ·Carl S. Ewig	5
7	Ab initio studies of molecular structures and energetics. 3. Pentacoordinated nitrogen NFnH5-n compounds 1989 ·Journal of the American Chemical Society ·Carl S. Ewig, John R. Van Wazer	18
8	Experimental and ab initio vibrational spectra of 1,2-dibromoethane, meso-1,2-dideuterio-1,2-dibromoethane, and chiral 1,2-dideuterio-1,2-dibromoethane 1989 ·The Journal of Physical Chemistry ·P. K. Bose, D. O. Henderson, Carl S. Ewig, Prasad L. Polavarapu	7
9	Basis set effects and the choice of reference geometry in ab initio calculations of vibrational spectra 1988 ·Journal of Computational Chemistry ·Danuta Michalska, L. J. Schaad, (unknown), Berk Hess, Carl S. Ewig	15
10	Ab initio structures of phosphorus acids and esters. 3. The phosphorus-oxygen-phosphorus bridged phosphinic compounds H4P2O2n-1 for n = 1 to 4 1988 ·Journal of the American Chemical Society ·Carl S. Ewig, John R. Van Wazer	18
11	Ab initio study of excited states of CN− stabilized in point-charge lattices 1988 ·Chemical Physics Letters ·Carl S. Ewig, Joel Tellinghuisen	16
12	An ab initio study of the structure and bonding of pralidoxime and its conjugate base 1988 ·Journal of Molecular Structure THEOCHEM ·Carl S. Ewig, John R. Van Wazer	2
13	The ab initio structure of O-methyl methylphosphonofluoridate 1985 ·Journal of Molecular Structure THEOCHEM ·Carl S. Ewig, John R. Van Wazer	10
14	The calculation of infrared intensities 1985 ·The Journal of Chemical Physics ·L. J. Schaad, Carl S. Ewig, B.A. Hess, Danuta Michalska	12
15	Pseudopotential SCF–MO studies of hypervalent compounds. II. XeF+5 and XeF6 1980 ·The Journal of Chemical Physics ·(unknown), Lawrence S. Bartell, Carl S. Ewig, John R. Van Wazer	20
16	The structure of molecular effective potentials in compounds of heavy elements, with application to I2 1977 ·The Journal of Chemical Physics ·Carl S. Ewig, Roman Osman, John R. Van Wazer	25
17	Barriers to internal rotation obtained by pseudopotential calculations 1976 ·The Journal of Chemical Physics ·Carl S. Ewig, John R. Van Wazer	5
18	Pseudopotential SCF method for valence-only molecular calculations 1975 ·Journal of the American Chemical Society ·Patrick Coffey, Carl S. Ewig, John R. Van Wazer	43
19	On pseudopotential and effective-potential SCF theory and its application to compounds of heavy elements 1975 ·The Journal of Chemical Physics ·Carl S. Ewig, John R. Van Wazer	51
20	Matrix solution of periodic mathieu equations 1973 ·Journal of Computational Physics ·Carl S. Ewig, David O. Harris	1

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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