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 innovative algorithms that enable fast calculations of large systems on various computer architectures, from laptops and regular lab workstations to midsize clusters, HPCC, and cloud computing using density functional and wave-function based approaches. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Q Chem (United States), United States, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

56%


Total
Publications

110


Total Open
Publications

62


Total
Citations

8K


Open Access
Percentage

56%


Total
Publications

110


Total Open
Publications

62


Total
Citations

8K

Wikipedia

Website

download

Breakdown

5% 10% 38% 47%

Publisher Open

5%

Both

10%

Other Platform Open

38%

Closed

47%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

0123456789101112Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

0%OA Journal

OA Journal 0%

0

Hybrid 33%

5

No Guarantees 67%

10

Other Platform Open

Institution 44%

22

Domain 40%

20

Other Internet 24%

12

Public 12%

6

Preprint 10%

5

Other Platform Locations

Name

Platform Type

Publications

U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI
Institution
24
PubMed Central
Domain
20
DOI
Other Internet
7
Unknown Repository
Other Internet
6
arXiv
Preprint
5
Figshare
Public
4
Zenodo
Public
3
University of Nottingham - Repository@Nottingham
Institution
1
University of New South Wales, Sydney, Australia - UNSWorks
Institution
1
University of Luxembourg - Open Repository and Bibliography
Institution
1
1 / 2

Data updated 18 August 2025

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