Mark A. Freitag

993 total citations · 1 hit paper
11 papers, 835 citations indexed

About

Mark A. Freitag is a scholar working on Atomic and Molecular Physics, and Optics, Physical and Theoretical Chemistry and Organic Chemistry. According to data from OpenAlex, Mark A. Freitag has authored 11 papers receiving a total of 835 indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Atomic and Molecular Physics, and Optics, 5 papers in Physical and Theoretical Chemistry and 4 papers in Organic Chemistry. Recurrent topics in Mark A. Freitag's work include Advanced Chemical Physics Studies (8 papers), Spectroscopy and Quantum Chemical Studies (5 papers) and Photochemistry and Electron Transfer Studies (4 papers). Mark A. Freitag is often cited by papers focused on Advanced Chemical Physics Studies (8 papers), Spectroscopy and Quantum Chemical Studies (5 papers) and Photochemistry and Electron Transfer Studies (4 papers). Mark A. Freitag collaborates with scholars based in United States and Australia. Mark A. Freitag's co-authors include Mark S. Gordon, Jan H. Jensen, Walter J. Stevens, Pradipta Bandyopadhyay, Visvaldas Kairys, Ivana Adamovic, Brandon G. Hillman, Theis I. Sølling, David M. Smith and Leo Radom and has published in prestigious journals such as The Journal of Chemical Physics, The Journal of Physical Chemistry A and Journal of Chemical Education.

In The Last Decade

Mark A. Freitag

11 papers receiving 809 citations

Hit 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.

The Effective Fragment Potential Method: A QM-Based MM Approach to Modeling Environmental Effects in Chemistry

2000 511 citations Mark S. Gordon, Mark A. Freitag et al. The Journal of Physical Chemistry A profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Mark A. Freitag United States	8	619	252	181	173	155	11	835
Ludwik Adamowicz United States	16	407 0.7×	227 0.9×	207 1.1×	317 1.8×	159 1.0×	44	791
Andrew D. Daniels United States	7	528 0.9×	143 0.6×	108 0.6×	157 0.9×	186 1.2×	11	834
Ivana Adamovic United States	10	409 0.7×	138 0.5×	194 1.1×	103 0.6×	109 0.7×	13	672
Niclas Forsberg Sweden	6	560 0.9×	338 1.3×	157 0.9×	143 0.8×	160 1.0×	8	977
Е. В. Громов Germany	19	752 1.2×	355 1.4×	280 1.5×	218 1.3×	202 1.3×	45	1.1k
Tianhai Zhu United States	9	445 0.7×	213 0.8×	158 0.9×	245 1.4×	98 0.6×	11	709
Xinfu Xia United States	11	623 1.0×	238 0.9×	264 1.5×	223 1.3×	106 0.7×	15	1.1k
M. Elhanine France	14	668 1.1×	364 1.4×	365 2.0×	118 0.7×	291 1.9×	17	981
Hans‐Martin Frey Switzerland	21	589 1.0×	321 1.3×	197 1.1×	140 0.8×	485 3.1×	46	1.0k
David R. Garmer United States	15	707 1.1×	343 1.4×	386 2.1×	195 1.1×	203 1.3×	20	1.2k

Countries citing papers authored by Mark A. Freitag

Since Specialization

Citations

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

Fields of papers citing papers by Mark A. Freitag

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Mark A. Freitag. 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 Mark A. Freitag. The network helps show where Mark A. Freitag may publish in the future.

Co-authorship network of co-authors of Mark A. Freitag

This figure shows the co-authorship network connecting the top 25 collaborators of Mark A. Freitag. A scholar is included among the top collaborators of Mark A. Freitag 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 Mark A. Freitag. Mark A. Freitag is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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11 of 11 papers shown

1.

Parsons, Bradley F., et al.. (2023). Singlet O₂ from Ultraviolet Excitation of the Quinoline-O₂ Complex. The Journal of Physical Chemistry A. 127(23). 4957–4963. 2 indexed citations

2.

Parsons, Bradley F., et al.. (2021). Singlet O₂ Produced by Ultraviolet Dissociation of the β-ionone–O₂ Complex. The Journal of Physical Chemistry A. 125(39). 8649–8657. 4 indexed citations

3.

Freitag, Mark A., et al.. (2008). Quantum Chemistry: Restricted Hartree-Fock SCF Calculations Using Microsoft Excel. Journal of Chemical Education. 85(1). 159–159. 10 indexed citations

4.

Freitag, Mark A., et al.. (2008). Restricted Hartree-Fock SCF Calculations using Microsoft Excel. 1 indexed citations

5.

Freitag, Mark A., et al.. (2007). On the Keto−Enol Tautomerization of Malonaldehyde: An Effective Fragment Potential Study. The Journal of Physical Chemistry A. 111(9). 1659–1666. 16 indexed citations

6.

Freitag, Mark A., et al.. (2004). Predicting shielding constants in solution using gauge invariant atomic orbital theory and the effective fragment potential method. The Journal of Chemical Physics. 120(3). 1197–1202. 14 indexed citations

7.

Adamovic, Ivana, Mark A. Freitag, & Mark S. Gordon. (2003). Density functional theory based effective fragment potential method. The Journal of Chemical Physics. 118(15). 6725–6732. 110 indexed citations

8.

Freitag, Mark A. & Mark S. Gordon. (2002). On the Electronic Structure of Bis(η⁵-cyclopentadienyl) Titanium. The Journal of Physical Chemistry A. 106(34). 7921–7926. 15 indexed citations

9.

Sølling, Theis I., David M. Smith, Leo Radom, Mark A. Freitag, & Mark S. Gordon. (2001). Towards multireference equivalents of the G2 and G3 methods. The Journal of Chemical Physics. 115(19). 8758–8772. 16 indexed citations

10.

Gordon, Mark S., Mark A. Freitag, Pradipta Bandyopadhyay, et al.. (2000). The Effective Fragment Potential Method: A QM-Based MM Approach to Modeling Environmental Effects in Chemistry. The Journal of Physical Chemistry A. 105(2). 293–307. 511 indexed citations breakdown →

11.

Freitag, Mark A., Mark S. Gordon, Jan H. Jensen, & Walter J. Stevens. (2000). Evaluation of charge penetration between distributed multipolar expansions. The Journal of Chemical Physics. 112(17). 7300–7306. 136 indexed citations

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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