Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Wavenumbers for Calibration of IR Spectrometers, Version History

Example of how to reference this online database:  (Replace year, month day with database access date.)
Maki, A. G. and Wells, J. S. (1998), Wavenumber Calibration Tables from Heterodyne Frequency Measurements (version 1.3). [Online] Available: [year, month day]. National Institute of Standards and Technology, Gaithersburg, MD.
Optional addition:
Originally published as NIST Special Publication 821. National Institute of Standards and Technology, Gaithersburg, MD (1987).
Citation Form:
Author/editor (Year), Title (edition). [Type of medium] Available: URL [Access date].

Version 1.3
30 April 1998
 Corrections were made in the display of bibliographic information and minor changes were made in the graphical interface and display of data.
Version 1.2
30 May 1997
Newer versions of html have made it possible for most symbols which were produced by means of graphics in earlier versions to be replaced with html code. This results in quicker loading of these pages.
Version 1.1
11 July 1995
Contains some corrections to the previous version.
Version 1.0
23 May 1995
This computer based version of NIST Special Publication 821 contains the bibliography and atlas as updated through November 1994.
Earlier Work
December 1991
NIST SP 821, U.S. Government Printing Office, Washington, D.C.


Created August 4, 2009, Updated September 26, 2016