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
Publication typeJournals
ISSN00472689, 15297845
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)1997Q2
Chemistry (miscellaneous)1998Q1
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)2016Q2
Physical and Theoretical Chemistry1997Q2
Physical and Theoretical Chemistry1998Q1
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 Chemistry2015Q2
Physical and Theoretical Chemistry2016Q2
Physics and Astronomy (miscellaneous)1997Q2
Physics and Astronomy (miscellaneous)1998Q1
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)2015Q2
Physics and Astronomy (miscellaneous)2016Q2

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)19997.224
Cites / Doc. (4 years)20007.551
Cites / Doc. (4 years)20017.250
Cites / Doc. (4 years)20025.747
Cites / Doc. (4 years)20035.282
Cites / Doc. (4 years)20045.074
Cites / Doc. (4 years)20054.066
Cites / Doc. (4 years)20064.704
Cites / Doc. (4 years)20073.340
Cites / Doc. (4 years)20083.290
Cites / Doc. (4 years)20093.928
Cites / Doc. (4 years)20103.527
Cites / Doc. (4 years)20113.111
Cites / Doc. (4 years)20123.885
Cites / Doc. (4 years)20133.585
Cites / Doc. (4 years)20142.864
Cites / Doc. (4 years)20152.362
Cites / Doc. (4 years)20162.373
Cites / Doc. (3 years)19997.224
Cites / Doc. (3 years)20008.036
Cites / Doc. (3 years)20015.197
Cites / Doc. (3 years)20024.582
Cites / Doc. (3 years)20034.569
Cites / Doc. (3 years)20044.787
Cites / Doc. (3 years)20054.113
Cites / Doc. (3 years)20063.292
Cites / Doc. (3 years)20073.169
Cites / Doc. (3 years)20083.679
Cites / Doc. (3 years)20092.821
Cites / Doc. (3 years)20102.732
Cites / Doc. (3 years)20113.396
Cites / Doc. (3 years)20124.024
Cites / Doc. (3 years)20132.923
Cites / Doc. (3 years)20142.900
Cites / Doc. (3 years)20152.304
Cites / Doc. (3 years)20162.383
Cites / Doc. (2 years)19997.543
Cites / Doc. (2 years)20006.250
Cites / Doc. (2 years)20013.854
Cites / Doc. (2 years)20023.514
Cites / Doc. (2 years)20033.833
Cites / Doc. (2 years)20044.879
Cites / Doc. (2 years)20052.435
Cites / Doc. (2 years)20063.104
Cites / Doc. (2 years)20073.315
Cites / Doc. (2 years)20082.441
Cites / Doc. (2 years)20092.070
Cites / Doc. (2 years)20103.156
Cites / Doc. (2 years)20113.034
Cites / Doc. (2 years)20122.828
Cites / Doc. (2 years)20132.861
Cites / Doc. (2 years)20142.784
Cites / Doc. (2 years)20151.970
Cites / Doc. (2 years)20162.500
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 Cites200312
Self Cites20049
Self Cites200527
Self Cites200622
Self Cites200713
Self Cites20086
Self Cites200915
Self Cites20107
Self Cites20114
Self Cites201215
Self Cites201325
Self Cites201437
Self Cites201513
Self Cites20160
Total Cites1999354
Total Cites2000442
Total Cites2001317
Total Cites2002252
Total Cites2003233
Total Cites2004225
Total Cites2005255
Total Cites2006214
Total Cites2007263
Total Cites2008287
Total Cites2009220
Total Cites2010153
Total Cites2011163
Total Cites2012169
Total Cites2013152
Total Cites2014145
Total Cites2015129
Total Cites2016143
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 document19996.918
External Cites per document20007.618
External Cites per document20015.082
External Cites per document20024.436
External Cites per document20034.333
External Cites per document20044.596
External Cites per document20053.677
External Cites per document20062.954
External Cites per document20073.012
External Cites per document20083.603
External Cites per document20092.628
External Cites per document20102.607
External Cites per document20113.313
External Cites per document20123.667
External Cites per document20132.442
External Cites per document20142.160
External Cites per document20152.071
External Cites per document20162.383
Cites per document19997.224
Cites per document20008.036
Cites per document20015.197
Cites per document20024.582
Cites per document20034.569
Cites per document20044.787
Cites per document20054.113
Cites per document20063.292
Cites per document20073.169
Cites per document20083.679
Cites per document20092.821
Cites per document20102.732
Cites per document20113.396
Cites per document20124.024
Cites per document20132.923
Cites per document20142.900
Cites per document20152.304
Cites per document20162.383
% 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 documents20141
Non-citable documents20154
Non-citable documents20168
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 documents201450
Citable documents201556
Citable documents201660
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 documents200118
Uncited documents200216
Uncited documents200315
Uncited documents200415
Uncited documents200519
Uncited documents200630
Uncited documents200738
Uncited documents200836
Uncited documents200929
Uncited documents201024
Uncited documents201118
Uncited documents201214
Uncited documents201317
Uncited documents201412
Uncited documents201526
Uncited documents201625
Cited documents199937
Cited documents200040
Cited documents200143
Cited documents200239
Cited documents200337
Cited documents200435
Cited documents200547
Cited documents200641
Cited documents200749
Cited documents200846
Cited documents200953
Cited documents201038
Cited documents201136
Cited documents201231
Cited documents201337
Cited documents201439
Cited documents201534
Cited documents201643
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