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Molecular Microwave Spectral Databases: Version History

Citation Form: Author/editor (Year), Title (edition). [Type of medium] Available: URL [Access date]. (In reference examples, replace year, month day with database access date.)

Diatomic Spectral Database:

Reference Example: F.J. Lovas, E. Tiemann, J.S. Coursey, S.A. Kotochigova, J. Chang, K. Olsen, and R.A. Dragoset (2005), Diatomic Spectral Database (version 2.1). [Online] Available: http://physics.nist.gov/Diatomic [year, month day]. National Institute of Standards and Technology, Gaithersburg, MD.
Optional addition: Originally published, in part, as: Frank J. Lovas and Eberhard Tiemann, Microwave Spectral Tables: I. Diatomic Molecules, J. Phys. Chem. Ref. Data, 3(3), 609 (1974).

Version 2.1
November 2005

Corrections were made to the table headings for Carbon Monoxide Rotational Parameters.
Version 2.0
July 2003
The following features were added to the database: 1) a javascript pop-up provides the number of spectral lines available for each molecule; 2) a link to the references for each molecule and 3) a link (when appropriate) into the NIST Chemistry Webbook are available on each molecule's page. In addition, several minor changes and corrections were made to the database.
Version 1.0
July 2002
The original publication covered 83 diatomic species, while the present version adds 38 new species and updates the tables for 27 of the original species covered as listed in Table 1. The ordering of the elements in the molecules have been changed from alphabetic to that used in the emperical molecular formula. Minor corrections have been made to the original publication.

Triatomic Spectral Database:

Reference Example: F.J. Lovas, J.S. Coursey, S.A. Kotochigova, J. Chang, K. Olsen, and R.A. Dragoset (2003), Triatomic Spectral Database (version 2.0). [Online] Available: http://physics.nist.gov/Triatomic [year, month day]. National Institute of Standards and echnology, Gaithersburg, MD.

Optional addition: Originally published as: Frank J. Lovas, Microwave Spectral Tables: II. Triatomic Molecules, J. Phys. Chem. Ref. Data, 7(4), 1445 (1978).

Version 2.0
July 2003
The following features were added to the database: 1) a javascript pop-up provides the number of spectral lines available for each molecule; 2) a link to the references for each molecule and 3) a link (when appropriate) into the NIST Chemistry Webbook are available on each molecule's page. In addition, several minor changes and corrections were made to the database.
Version 1.0
July 2002
The data for molecules C2H (updated) and CH2 (added) were taken from the Hydrocarbon Spectral Database publication (below). The ordering of the elements in the molecules have been changed from alphabetic to that used in the empirical molecular formula. Minor corrections have been made to the original publication.

Hydrocarbon Spectral Database:

Reference Example: F.J. Lovas, R.D. Suenram, J.S. Coursey, S.A. Kotochigova, J. Chang, K. Olsen, and R.A. Dragoset (2004), Hydrocarbon Spectral Database (version 2.1). [Online] Available: http://physics.nist.gov/Hydrocarbon [year, month day]. National Institute of Standards and Technology, Gaithersburg, MD.

Optional addition: Originally published as: F.J. Lovas and R.D. Suenram, Microwave Spectral Tables: III. Hydrocarbons, CH to C10H10, J. Phys. Chem. Ref. Data, 18(3), 1245 (1989).

Version 2.1
July 2004
The Hydrocarbon Spectral Database was modified so that individual molecules could be accessed by links included in the next version of the Chemistry WebBook. [No modifications were necessary for the Diatomic and Triatomic Spectral Databases to be accessed from the Chemistry WebBook.] There were a few typographical errors corrected in the molecular constants table for C6H10.
Version 2.0
July 2003
The following features were added to the database: 1) a javascript pop-up provides the number of spectral lines available for each molecule; 2) a link to the references for each empirical formula and 3) a link (when appropriate) into the NIST Chemistry Webbook are available on each empirical formula's page. In addition, several minor changes and corrections were made to the database.
Version 1.1
September 2002
The molecular constants tables from the original publication have been included in this version of the database. Updates have been made to some tables.
Version 1.0
July 2002
The molecular constants tables from the original publication are not included in this version of the database, but should be included in the next version. Minor corrections have been made to the original publication.
Created September 11, 2009, Updated September 21, 2016