Q Chem (United States)

Q Chem (United States)

Q-Chem is a general-purpose electronic structure package featuring a variety of established and new methods implemented using algorithms that enable fast calculations of large systems on various computer architectures. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Q Chem (United States), United States, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

57%


Total
Publications

124


Total Open
Publications

71


Total
Citations

9.1K


Open Access
Percentage

57%


Total
Publications

124


Total Open
Publications

71


Total
Citations

9.1K

Wikipedia

Website

download

Breakdown

7% 10% 40% 43%

Publisher Open

7%

Both

10%

Other Platform Open

40%

Closed

43%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

0123456789101112Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

9%OA Journal

OA Journal 9%

2

Hybrid 18%

4

No Guarantees 73%

16

Other Platform Open

Institution 52%

32

Domain 39%

24

Preprint 21%

13

Public 13%

8

Other Internet 11%

7

Other Platform Locations

Name

Platform Type

Publications

Office of Scientific and Technical Information
Institution
28
PubMed Central
Domain
24
DOI
Other Internet
9
ChemRxiv
Preprint
8
Figshare
Public
7
California Digital Library
Institution
6
arXiv
Preprint
5
Zenodo
Public
3
University of Groningen
Institution
3
doaj.org OAI-PMH Repository
Institution
3
1 / 3

Data updated 12 August 2026

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