Alan D. Isaacson

2.9k total citations · 1 hit paper
40 papers, 2.5k citations indexed

About

Alan D. Isaacson is a scholar working on Atomic and Molecular Physics, and Optics, Spectroscopy and Physical and Theoretical Chemistry. According to data from OpenAlex, Alan D. Isaacson has authored 40 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 37 papers in Atomic and Molecular Physics, and Optics, 10 papers in Spectroscopy and 9 papers in Physical and Theoretical Chemistry. Recurrent topics in Alan D. Isaacson's work include Advanced Chemical Physics Studies (32 papers), Spectroscopy and Quantum Chemical Studies (17 papers) and Quantum, superfluid, helium dynamics (12 papers). Alan D. Isaacson is often cited by papers focused on Advanced Chemical Physics Studies (32 papers), Spectroscopy and Quantum Chemical Studies (17 papers) and Quantum, superfluid, helium dynamics (12 papers). Alan D. Isaacson collaborates with scholars based in United States and Spain. Alan D. Isaacson's co-authors include Donald G. Truhlar, Bruce C. Garrett, William H. Miller, N. Sachchida, A. P. Hickman, Rozeanne Steckler, Gene C. Hancock, Rex T. Skodje, Vasilios S. Melissas and Thanh N. Truong and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and The Journal of Physical Chemistry.

In The Last Decade

Alan D. Isaacson

40 papers receiving 2.4k 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.

POLYRATE 4: A new version of a computer program for the calculation of chemical reaction rates for polyatomics

1992 519 citations Thanh N. Truong, Vasilios S. Melissas et al. Computer Physics Communications profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Alan D. Isaacson United States	26	2.1k	863	795	269	255	40	2.5k
Rozeanne Steckler United States	25	2.2k 1.0×	852 1.0×	891 1.1×	305 1.1×	251 1.0×	30	2.6k
Walter J. Chesnavich United States	18	1.8k 0.9×	1.4k 1.6×	725 0.9×	356 1.3×	244 1.0×	28	2.7k
D. C. Tardy United States	18	1.1k 0.5×	646 0.7×	635 0.8×	204 0.8×	364 1.4×	60	1.8k
V. G. Anicich United States	33	1.8k 0.8×	1.6k 1.8×	944 1.2×	182 0.7×	182 0.7×	81	3.6k
Soji Tsuchiya Japan	29	2.0k 1.0×	1.5k 1.8×	598 0.8×	152 0.6×	309 1.2×	106	2.6k
J. W. Hepburn Canada	31	1.9k 0.9×	1.2k 1.4×	430 0.5×	142 0.5×	242 0.9×	70	2.3k
J. F. Ogilvie Taiwan	31	2.0k 0.9×	1.7k 2.0×	971 1.2×	302 1.1×	365 1.4×	187	3.1k
P. J. Kuntz Germany	28	2.6k 1.2×	1.2k 1.4×	489 0.6×	97 0.4×	229 0.9×	75	2.8k
S. Carter United Kingdom	24	1.7k 0.8×	962 1.1×	384 0.5×	123 0.5×	173 0.7×	34	2.0k
James M. Farrar United States	26	1.8k 0.9×	1.0k 1.2×	340 0.4×	177 0.7×	281 1.1×	100	2.3k

Countries citing papers authored by Alan D. Isaacson

Since Specialization

Citations

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

Fields of papers citing papers by Alan D. Isaacson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alan D. Isaacson. 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 Alan D. Isaacson. The network helps show where Alan D. Isaacson may publish in the future.

Co-authorship network of co-authors of Alan D. Isaacson

This figure shows the co-authorship network connecting the top 25 collaborators of Alan D. Isaacson. A scholar is included among the top collaborators of Alan D. Isaacson 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 Alan D. Isaacson. Alan D. Isaacson 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

Isaacson, Alan D.. (2008). Including anharmonicity in the calculation of rate constants. II. The OH+H2→H2O+H reaction. The Journal of Chemical Physics. 128(13). 134304–134304. 9 indexed citations

Isaacson, Alan D.. (1998). Removing resonance effects from quantum mechanical vibrational partition functions obtained from perturbation theory. The Journal of Chemical Physics. 108(24). 9978–9986. 26 indexed citations

Truhlar, Donald G., et al.. (1996). General method for removing resonance singularities in quantum mechanical perturbation theory. The Journal of Chemical Physics. 104(12). 4664–4671. 100 indexed citations

Hu, Wei‐Ping, Gillian C. Lynch, Ivan Rossi, et al.. (1995). MORATE 6.5: A new version of a computer program for direct dynamics calculations of chemical reaction rate constants. Computer Physics Communications. 88(2-3). 344–346. 8 indexed citations

Steckler, Rozeanne, Wei‐Ping Hu, Yiping Liu, et al.. (1995). POLYRATE 6.5: A new version of a computer program for the calculation of chemical reaction rates for polyatomics. Computer Physics Communications. 88(2-3). 341–343. 90 indexed citations

Isaacson, Alan D., Lan Wang, & Steve Scheiner. (1993). Variational transition state theory calculation of proton transfer dynamics in (H3CH...CH3)-. The Journal of Physical Chemistry. 97(9). 1765–1769. 23 indexed citations

Truong, Thanh N., Gillian C. Lynch, Vasilios S. Melissas, et al.. (1993). MORATE: a program for direct dynamics calculations of chemical reaction rates by semiempirical molecular orbital theory. Computer Physics Communications. 75(1-2). 143–159. 103 indexed citations

Truong, Thanh N., Vasilios S. Melissas, Gillian C. Lynch, et al.. (1992). POLYRATE 4: A new version of a computer program for the calculation of chemical reaction rates for polyatomics. Computer Physics Communications. 71(3). 235–262. 519 indexed citations breakdown →

Isaacson, Alan D.. (1992). Global potential energy surfaces from limited ab initio data. The Journal of Physical Chemistry. 96(2). 531–537. 43 indexed citations

10.

Isaacson, Alan D., et al.. (1988). Vibrational partition functions for H2O derived from perturbation-theory energy levels. Theoretical Chemistry Accounts. 74(6). 493–511. 28 indexed citations

11.

Isaacson, Alan D., et al.. (1985). Improved canonical and microcanonical variational transition state theory calculations for a polyatomic reaction: OH+H2→H2O+H. The Journal of Chemical Physics. 82(3). 1338–1340. 35 indexed citations

12.

Isaacson, Alan D.. (1984). On the practical calculation of resonance energies and widths by basis set methods. Chemical Physics. 85(3). 367–376. 9 indexed citations

13.

Isaacson, Alan D. & Donald G. Truhlar. (1984). Vibrational partition functions calculated from limited information. The Journal of Chemical Physics. 80(6). 2888–2896. 20 indexed citations

14.

Isaacson, Alan D. & Donald G. Truhlar. (1982). Polyatomic canonical variational theory for chemical reaction rates. Separable-mode formalism with application to OH+H2→H2O+H. The Journal of Chemical Physics. 76(3). 1380–1391. 255 indexed citations

15.

Truhlar, Donald G. & Alan D. Isaacson. (1982). Statistical-diabatic model for state-selected reaction rates. Theory and application of vibrational-mode correlation analysis to OH(nOH)+H2(nHH)→H2O+H. The Journal of Chemical Physics. 77(7). 3516–3522. 105 indexed citations

16.

Isaacson, Alan D., C. William McCurdy, & William H. Miller. (1978). On possibility of calculating Siegert eigenvalues for autoionizing electronic states. Chemical Physics. 34(3). 311–317. 76 indexed citations

17.

Isaacson, Alan D., A. P. Hickman, & William H. Miller. (1977). Penning ionization of H2 by He*: Calculation of anomalous structure in the singlet interaction potential. The Journal of Chemical Physics. 67(1). 370–371. 27 indexed citations

18.

Hickman, A. P., Alan D. Isaacson, & William H. Miller. (1977). Feshbach projection operator calculation of the potential energy surfaces and autoionization lifetimes for He(2 3S) –H and He(2 3S) –H2. The Journal of Chemical Physics. 66(4). 1483–1491. 99 indexed citations

19.

Isaacson, Alan D. & Keiji Morokuma. (1975). Molecular orbital studies of hydrogen bonds. VIII. Malonaldehyde and symmetric hydrogen bonding in neutral species. Journal of the American Chemical Society. 97(16). 4453–4457. 52 indexed citations

20.

Jaffe, Richard L., et al.. (1975). Calculations of potential energy surfaces in the complex plane. Theoretical Chemistry Accounts. 40(3). 189–197. 1 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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