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.
https://www.nist.gov/form/page-feedback
Fourier-Transform Microwave Spectroscopy of the Deuterated-Acetylene Dimers: The Interconversion Tunneling Motions of (DCCD)<sub>2</sub> (DCCH)<sub>2</sub>, DCCD-DCCH, DCCH-DCCD, and HCCH-DCCH: Page feedback