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.
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
Chemical structures of ruthenium arene complexes Ru6–9. Counter-ions have been omitted for clarity. Ligands with a blue label coordinate at the “L” position of the arene through the blue-coloured oxygen or nitrogen atoms. La coordinates at the X2 position through the red nitrogen.