Fiona Sim

926 total citations · 1 hit paper
6 papers, 825 citations indexed

About

Fiona Sim is a scholar working on Atomic and Molecular Physics, and Optics, Physical and Theoretical Chemistry and Materials Chemistry. According to data from OpenAlex, Fiona Sim has authored 6 papers receiving a total of 825 indexed citations (citations by other indexed papers that have themselves been cited), including 3 papers in Atomic and Molecular Physics, and Optics, 2 papers in Physical and Theoretical Chemistry and 2 papers in Materials Chemistry. Recurrent topics in Fiona Sim's work include Spectroscopy and Quantum Chemical Studies (2 papers), Solid-state spectroscopy and crystallography (2 papers) and Advanced Chemical Physics Studies (2 papers). Fiona Sim is often cited by papers focused on Spectroscopy and Quantum Chemical Studies (2 papers), Solid-state spectroscopy and crystallography (2 papers) and Advanced Chemical Physics Studies (2 papers). Fiona Sim collaborates with scholars based in United States, Canada and United Kingdom. Fiona Sim's co-authors include Dennis R. Salahub, Imre Pápai, Siu A. Chin, Michel Dupuis, Julia E. Rice, C. Richard A. Catlow and John D. W. Watts 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

Fiona Sim

5 papers receiving 784 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.

Gaussian density functional calculations on hydrogen-bonded systems

1992 423 citations Fiona Sim, Imre Pápai et al. Journal of the American Chemical Society profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Fiona Sim United States	5	472	254	232	229	185	6	825
Salvatore Millefiori Italy	19	391 0.8×	320 1.3×	360 1.6×	220 1.0×	195 1.1×	70	963
Alain Strich France	17	419 0.9×	191 0.8×	227 1.0×	102 0.4×	216 1.2×	34	791
Eugene S. Kryachko Belgium	16	486 1.0×	314 1.2×	204 0.9×	72 0.3×	227 1.2×	34	868
S. Manogaran India	17	243 0.5×	196 0.8×	234 1.0×	114 0.5×	197 1.1×	56	782
Zheng Shi China	14	310 0.7×	158 0.6×	240 1.0×	90 0.4×	105 0.6×	27	636
H. Chojnacki Poland	15	415 0.9×	254 1.0×	301 1.3×	81 0.4×	187 1.0×	74	846
Bong Hyun Boo South Korea	14	316 0.7×	179 0.7×	225 1.0×	115 0.5×	237 1.3×	65	773
G. Paliani Italy	16	284 0.6×	158 0.6×	223 1.0×	165 0.7×	182 1.0×	76	720
Joseph A. Hashmall Switzerland	15	429 0.9×	332 1.3×	506 2.2×	170 0.7×	143 0.8×	28	969
G. De Alti Italy	17	472 1.0×	162 0.6×	235 1.0×	71 0.3×	183 1.0×	62	780

Countries citing papers authored by Fiona Sim

Since Specialization

Citations

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

Fields of papers citing papers by Fiona Sim

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Fiona Sim

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

All Works

Sort: Min cites: Since: Top N: Style:

6 of 6 papers shown

1.

Sim, Fiona & C. Richard A. Catlow. (2009). Mott-littleton calculations on defects in α-quartz. International Journal of Quantum Chemistry. 36(S23). 651–675.

2.

Sim, Fiona, Siu A. Chin, Michel Dupuis, & Julia E. Rice. (1993). Electron correlation effects in hyperpolarizabilities of p-nitroaniline. The Journal of Physical Chemistry. 97(6). 1158–1163. 228 indexed citations

3.

Sim, Fiona, Dennis R. Salahub, & Siu A. Chin. (1992). The accurate calculation of dipole moments and dipole polarizabilities using Gaussian‐based density functional methods. International Journal of Quantum Chemistry. 43(4). 463–479. 50 indexed citations

4.

Sim, Fiona, et al.. (1992). Gaussian density functional calculations on hydrogen-bonded systems. Journal of the American Chemical Society. 114(11). 4391–4400. 423 indexed citations breakdown →

5.

Sim, Fiona, Dennis R. Salahub, Siu A. Chin, & Michel Dupuis. (1991). Gaussian density functional calculations on the allyl and polyene radicals: C3H5 to C11H13. The Journal of Chemical Physics. 95(6). 4317–4326. 92 indexed citations

6.

Sim, Fiona, C. Richard A. Catlow, Michel Dupuis, & John D. W. Watts. (1991). A b i n i t i o self-consistent-field molecular orbital calculations on defects associated with radiation damage in alpha quartz. The Journal of Chemical Physics. 95(6). 4215–4224. 32 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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