An official website of the United States government
Here’s how you know
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.
Hirota, E.
, Kuchitsu, K.
, Lafferty, W.
and Ramsey, D.
(1995),
Structure Data of Free Polyatomic Molecules, Landolt-Börnstein, New York, NY
(Accessed December 6, 2023)