Oktay Sǐnanoğlu

6.0k total citations · 1 hit paper
115 papers, 4.5k citations indexed

About

Oktay Sǐnanoğlu is a scholar working on Atomic and Molecular Physics, and Optics, Physical and Theoretical Chemistry and Spectroscopy. According to data from OpenAlex, Oktay Sǐnanoğlu has authored 115 papers receiving a total of 4.5k indexed citations (citations by other indexed papers that have themselves been cited), including 71 papers in Atomic and Molecular Physics, and Optics, 42 papers in Physical and Theoretical Chemistry and 23 papers in Spectroscopy. Recurrent topics in Oktay Sǐnanoğlu's work include Advanced Chemical Physics Studies (57 papers), Atomic and Molecular Physics (32 papers) and Advanced Physical and Chemical Molecular Interactions (16 papers). Oktay Sǐnanoğlu is often cited by papers focused on Advanced Chemical Physics Studies (57 papers), Atomic and Molecular Physics (32 papers) and Advanced Physical and Chemical Molecular Interactions (16 papers). Oktay Sǐnanoğlu collaborates with scholars based in United States, Türkiye and Sweden. Oktay Sǐnanoğlu's co-authors include David R. Herrick, İskender Öksüz, Neil R. Kestner, Harris J. Silverstone, Kenneth S. Pitzer, Carl Trindle, Paul Westhaus, Kenneth B. Wiberg, Debbie Fu-Tai Tuan and Ariel Fernández and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of the American Chemical Society and Physical Review Letters.

In The Last Decade

Oktay Sǐnanoğlu

110 papers receiving 4.3k citations

Hit Papers

Comparison of doubly-excited helium energy levels, isoele... 1975 2026 1992 2009 1975 100 200 300
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.

  1. Comparison of doubly-excited helium energy levels, isoelectronic series, autoionization lifetimes, and group-theoretical configuration-mixing predictions with large-configuration-interaction calculations and experimental spectra
    1975 384 citations David R. Herrick, Oktay Sǐnanoğlu Physical review. A, General physics profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Oktay Sǐnanoğlu United States 36 3.6k 923 835 496 468 115 4.5k
Osvaldo Goscinski Sweden 30 2.9k 0.8× 659 0.7× 519 0.6× 371 0.7× 378 0.8× 130 3.4k
P. Claverie France 34 2.2k 0.6× 1.1k 1.1× 825 1.0× 473 1.0× 669 1.4× 92 3.8k
Jiřı́ Čı́žek Canada 23 3.0k 0.8× 469 0.5× 706 0.8× 634 1.3× 316 0.7× 51 3.8k
G. G. Hall United Kingdom 31 2.2k 0.6× 1.0k 1.1× 681 0.8× 600 1.2× 875 1.9× 158 3.8k
H. O. Pritchard Canada 29 1.6k 0.5× 551 0.6× 763 0.9× 624 1.3× 787 1.7× 219 3.5k
K. K. Innes United States 33 2.6k 0.7× 1.3k 1.4× 1.5k 1.8× 399 0.8× 543 1.2× 95 3.7k
M. Yoshimine United States 38 3.8k 1.1× 741 0.8× 1.2k 1.4× 873 1.8× 619 1.3× 65 4.9k
Brian T. Sutcliffe United Kingdom 30 3.7k 1.0× 759 0.8× 2.0k 2.4× 392 0.8× 392 0.8× 96 4.5k
Harry F. King United States 29 2.4k 0.7× 666 0.7× 882 1.1× 599 1.2× 612 1.3× 58 3.4k
Neil S. Ostlund United States 20 2.4k 0.7× 653 0.7× 1.1k 1.3× 772 1.6× 624 1.3× 35 3.8k

Countries citing papers authored by Oktay Sǐnanoğlu

Since Specialization
Citations

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

Fields of papers citing papers by Oktay Sǐnanoğlu

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Oktay Sǐnanoğlu. 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 Oktay Sǐnanoğlu. The network helps show where Oktay Sǐnanoğlu may publish in the future.

Co-authorship network of co-authors of Oktay Sǐnanoğlu

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

All Works

20 of 20 papers shown
1.
Sǐnanoğlu, Oktay. (1988). Ten classes of bicyclo[p.q.0]pi-hydrocarbons, and their anions and cations. Electronic rules directly from structural formulas. Tetrahedron Letters. 29(8). 889–892. 9 indexed citations
2.
Fernández, Ariel & Oktay Sǐnanoğlu. (1985). Denaturation of proteins in methanol/water mixtures. Biophysical Chemistry. 21(3-4). 163–166. 18 indexed citations
3.
Sǐnanoğlu, Oktay & Ariel Fernández. (1985). The denaturation maxima of proteins and of drug-biomolecule complex formation in a wide range of methanol/water mixtures. Biophysical Chemistry. 21(3-4). 157–162. 23 indexed citations
4.
Fernández, Ariel & Oktay Sǐnanoğlu. (1985). A Reactive System with Diffusive Transport Displaying Two Different Symmetry-Breaking Dissipative Structures. Zeitschrift für Naturforschung A. 40(6). 611–618. 2 indexed citations
5.
6.
Sǐnanoğlu, Oktay. (1984). Non-unitary classification of molecular electronic structures and other atom clusters. Theoretical Chemistry Accounts. 65(4). 249–254. 6 indexed citations
7.
Sǐnanoğlu, Oktay. (1981). What size cluster is like a surface?. Chemical Physics Letters. 81(2). 188–190. 28 indexed citations
8.
Lee, Lih‐Syng & Oktay Sǐnanoğlu. (1981). Reaction Mechanisms and Chemical Networks — Types of Elementary Steps and Generation of Laminar Mechanisms*. Zeitschrift für Physikalische Chemie. 125(2). 129–160. 3 indexed citations
9.
Sǐnanoğlu, Oktay & Lih‐Syng Lee. (1978). Finding all possiblea priori mechanisms for a given type of overall reaction. 48(4). 287–299. 1 indexed citations
10.
Duben, Anthony J., et al.. (1973). Correlation effects in the neutral and ionized ground states of acetylene. Theoretical Chemistry Accounts. 30(2). 177–190. 14 indexed citations
11.
Sǐnanoğlu, Oktay. (1973). Prediction of molecular excited state properties, potential energy curves, and the non-closed shell many-electron theory. Journal of Molecular Structure. 19. 81–91. 13 indexed citations
12.
Shibuya, Tai‐ichi & Oktay Sǐnanoğlu. (1973). Spin‐free wave functions in many‐electron perturbation theory. I. Closed‐shell systems. International Journal of Quantum Chemistry. 7(6). 1145–1158. 5 indexed citations
13.
Condon, E. U. & Oktay Sǐnanoğlu. (1972). New directions in atomic physics. CERN Document Server (European Organization for Nuclear Research). 1 indexed citations
14.
Herrick, David R. & Oktay Sǐnanoğlu. (1972). Algebra of the Noncompact GroupO(3, 2)and the Hydrogen-Atom Radial Functions. Physical review. A, General physics. 5(6). 2309–2313. 20 indexed citations
15.
Goscinski, Osvaldo & Oktay Sǐnanoğlu. (1968). Upper and lower bounds and the generalized variation‐perturbation approach of many‐electron theory. International Journal of Quantum Chemistry. 2(3). 397–403. 5 indexed citations
16.
Trindle, Carl & Oktay Sǐnanoğlu. (1968). Semiempirical Method for the Determination of Localized Orbitals in Molecules. The Journal of Chemical Physics. 49(1). 65–71. 75 indexed citations
17.
Sǐnanoğlu, Oktay. (1965). Modern quantum chemistry : Istanbul lectures. Academic Press eBooks. 128 indexed citations
18.
Sǐnanoğlu, Oktay. (1965). Action of light and organic crystals. Academic Press eBooks. 12 indexed citations
19.
Sǐnanoğlu, Oktay. (1961). Theory of electron correlation in atoms and molecules. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 260(1302). 379–392. 96 indexed citations
20.
Sǐnanoğlu, Oktay. (1961). MANY-ELECTRON THEORY OF ATOMS AND MOLECULES. Proceedings of the National Academy of Sciences. 47(8). 1217–1226. 65 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Osvaldo Goscinski Breakdown of academic impact, for papers by P. Claverie Breakdown of academic impact, for papers by Jiřı́ Čı́žek Breakdown of academic impact, for papers by G. G. Hall Breakdown of academic impact, for papers by H. O. Pritchard Breakdown of academic impact, for papers by K. K. Innes Breakdown of academic impact, for papers by M. Yoshimine Breakdown of academic impact, for papers by Brian T. Sutcliffe Breakdown of academic impact, for papers by Harry F. King Breakdown of academic impact, for papers by Neil S. Ostlund
Rankless by CCL
2026