Scimago Journal & Country Rank

Journal of Physical and Chemical Reference Data

CountryUnited States
H Index
Subject Area and CategoryChemistry
Chemistry (miscellaneous)
Physical and Theoretical Chemistry

Physics and Astronomy
Physics and Astronomy (miscellaneous)
PublisherAmerican Institute of Physics Inc.
Publication typeJournals
ISSN15297845, 00472689
Coverage1976-1979, 1996-ongoing
Scope Journal of Physical and Chemical Reference Data is published by the American Institute of Physics (AIP) for the National Institute of Standards and Technology (NIST); content is published online daily, collected into quarterly online and printed issues (4 issues per year). The objective of the Journal is to provide critically evaluated physical and chemical property data, fully documented as to the original sources and the criteria used for evaluation, preferably with uncertainty analysis. Critical reviews of measurement techniques may also be included if they shed light on the accuracy of available data in a technical area. (source)

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Chemistry (miscellaneous)1999Q1
Chemistry (miscellaneous)2000Q1
Chemistry (miscellaneous)2001Q1
Chemistry (miscellaneous)2002Q1
Chemistry (miscellaneous)2003Q1
Chemistry (miscellaneous)2004Q1
Chemistry (miscellaneous)2005Q1
Chemistry (miscellaneous)2006Q1
Chemistry (miscellaneous)2007Q1
Chemistry (miscellaneous)2008Q1
Chemistry (miscellaneous)2009Q1
Chemistry (miscellaneous)2010Q2
Chemistry (miscellaneous)2011Q1
Chemistry (miscellaneous)2012Q1
Chemistry (miscellaneous)2013Q1
Chemistry (miscellaneous)2014Q2
Chemistry (miscellaneous)2015Q1
Chemistry (miscellaneous)2016Q1
Chemistry (miscellaneous)2017Q1
Physical and Theoretical Chemistry1999Q1
Physical and Theoretical Chemistry2000Q1
Physical and Theoretical Chemistry2001Q1
Physical and Theoretical Chemistry2002Q1
Physical and Theoretical Chemistry2003Q1
Physical and Theoretical Chemistry2004Q1
Physical and Theoretical Chemistry2005Q2
Physical and Theoretical Chemistry2006Q1
Physical and Theoretical Chemistry2007Q1
Physical and Theoretical Chemistry2008Q1
Physical and Theoretical Chemistry2009Q1
Physical and Theoretical Chemistry2010Q2
Physical and Theoretical Chemistry2011Q2
Physical and Theoretical Chemistry2012Q1
Physical and Theoretical Chemistry2013Q1
Physical and Theoretical Chemistry2014Q2
Physical and Theoretical Chemistry2015Q1
Physical and Theoretical Chemistry2016Q2
Physical and Theoretical Chemistry2017Q1
Physics and Astronomy (miscellaneous)1999Q1
Physics and Astronomy (miscellaneous)2000Q1
Physics and Astronomy (miscellaneous)2001Q1
Physics and Astronomy (miscellaneous)2002Q1
Physics and Astronomy (miscellaneous)2003Q1
Physics and Astronomy (miscellaneous)2004Q1
Physics and Astronomy (miscellaneous)2005Q2
Physics and Astronomy (miscellaneous)2006Q1
Physics and Astronomy (miscellaneous)2007Q1
Physics and Astronomy (miscellaneous)2008Q1
Physics and Astronomy (miscellaneous)2009Q1
Physics and Astronomy (miscellaneous)2010Q2
Physics and Astronomy (miscellaneous)2011Q2
Physics and Astronomy (miscellaneous)2012Q1
Physics and Astronomy (miscellaneous)2013Q1
Physics and Astronomy (miscellaneous)2014Q2
Physics and Astronomy (miscellaneous)2015Q1
Physics and Astronomy (miscellaneous)2016Q1
Physics and Astronomy (miscellaneous)2017Q1

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19997.347
Cites / Doc. (4 years)20007.768
Cites / Doc. (4 years)20017.566
Cites / Doc. (4 years)20026.040
Cites / Doc. (4 years)20035.535
Cites / Doc. (4 years)20045.176
Cites / Doc. (4 years)20054.105
Cites / Doc. (4 years)20064.753
Cites / Doc. (4 years)20073.410
Cites / Doc. (4 years)20083.327
Cites / Doc. (4 years)20094.021
Cites / Doc. (4 years)20103.538
Cites / Doc. (4 years)20113.208
Cites / Doc. (4 years)20124.262
Cites / Doc. (4 years)20134.138
Cites / Doc. (4 years)20143.600
Cites / Doc. (4 years)20153.412
Cites / Doc. (4 years)20163.683
Cites / Doc. (4 years)20173.787
Cites / Doc. (3 years)19997.347
Cites / Doc. (3 years)20008.309
Cites / Doc. (3 years)20015.443
Cites / Doc. (3 years)20024.891
Cites / Doc. (3 years)20034.725
Cites / Doc. (3 years)20044.851
Cites / Doc. (3 years)20054.161
Cites / Doc. (3 years)20063.338
Cites / Doc. (3 years)20073.253
Cites / Doc. (3 years)20083.731
Cites / Doc. (3 years)20092.859
Cites / Doc. (3 years)20102.750
Cites / Doc. (3 years)20113.521
Cites / Doc. (3 years)20124.571
Cites / Doc. (3 years)20133.577
Cites / Doc. (3 years)20143.347
Cites / Doc. (3 years)20153.382
Cites / Doc. (3 years)20163.695
Cites / Doc. (3 years)20173.968
Cites / Doc. (2 years)19997.657
Cites / Doc. (2 years)20006.500
Cites / Doc. (2 years)20014.098
Cites / Doc. (2 years)20023.686
Cites / Doc. (2 years)20033.933
Cites / Doc. (2 years)20044.970
Cites / Doc. (2 years)20052.478
Cites / Doc. (2 years)20063.125
Cites / Doc. (2 years)20073.426
Cites / Doc. (2 years)20082.458
Cites / Doc. (2 years)20092.070
Cites / Doc. (2 years)20103.188
Cites / Doc. (2 years)20113.241
Cites / Doc. (2 years)20123.483
Cites / Doc. (2 years)20133.194
Cites / Doc. (2 years)20143.167
Cites / Doc. (2 years)20153.094
Cites / Doc. (2 years)20163.804
Cites / Doc. (2 years)20173.651
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites199915
Self Cites200023
Self Cites20017
Self Cites20028
Self Cites200313
Self Cites20049
Self Cites200527
Self Cites200623
Self Cites200713
Self Cites20086
Self Cites200915
Self Cites20107
Self Cites20114
Self Cites201217
Self Cites201325
Self Cites201444
Self Cites201534
Self Cites201638
Self Cites201732
Total Cites1999360
Total Cites2000457
Total Cites2001332
Total Cites2002269
Total Cites2003241
Total Cites2004228
Total Cites2005258
Total Cites2006217
Total Cites2007270
Total Cites2008291
Total Cites2009223
Total Cites2010154
Total Cites2011169
Total Cites2012192
Total Cites2013186
Total Cites2014164
Total Cites2015186
Total Cites2016218
Total Cites2017246
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document19997.041
External Cites per document20007.891
External Cites per document20015.328
External Cites per document20024.745
External Cites per document20034.471
External Cites per document20044.660
External Cites per document20053.726
External Cites per document20062.985
External Cites per document20073.096
External Cites per document20083.654
External Cites per document20092.667
External Cites per document20102.625
External Cites per document20113.438
External Cites per document20124.167
External Cites per document20133.096
External Cites per document20142.449
External Cites per document20152.764
External Cites per document20163.051
External Cites per document20173.452
Cites per document19997.347
Cites per document20008.309
Cites per document20015.443
Cites per document20024.891
Cites per document20034.725
Cites per document20044.851
Cites per document20054.161
Cites per document20063.338
Cites per document20073.253
Cites per document20083.731
Cites per document20092.859
Cites per document20102.750
Cites per document20113.521
Cites per document20124.571
Cites per document20133.577
Cites per document20143.347
Cites per document20153.382
Cites per document20163.695
Cites per document20173.968
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents20031
Non-citable documents20043
Non-citable documents20054
Non-citable documents20066
Non-citable documents20074
Non-citable documents20084
Non-citable documents20094
Non-citable documents20106
Non-citable documents20116
Non-citable documents20123
Non-citable documents20132
Non-citable documents20142
Non-citable documents20155
Non-citable documents20169
Non-citable documents201711
Citable documents199949
Citable documents200055
Citable documents200161
Citable documents200255
Citable documents200351
Citable documents200447
Citable documents200562
Citable documents200665
Citable documents200783
Citable documents200878
Citable documents200978
Citable documents201056
Citable documents201148
Citable documents201242
Citable documents201352
Citable documents201449
Citable documents201555
Citable documents201659
Citable documents201762
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents199912
Uncited documents200015
Uncited documents200116
Uncited documents200216
Uncited documents200315
Uncited documents200415
Uncited documents200519
Uncited documents200629
Uncited documents200738
Uncited documents200836
Uncited documents200929
Uncited documents201024
Uncited documents201118
Uncited documents201213
Uncited documents201316
Uncited documents20149
Uncited documents201515
Uncited documents201614
Uncited documents201717
Cited documents199937
Cited documents200040
Cited documents200145
Cited documents200239
Cited documents200337
Cited documents200435
Cited documents200547
Cited documents200642
Cited documents200749
Cited documents200846
Cited documents200953
Cited documents201038
Cited documents201136
Cited documents201232
Cited documents201338
Cited documents201442
Cited documents201545
Cited documents201654
Cited documents201756
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