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.
Linkers and sections of the packing diagrams emphasizing the cuboctahedral b-cage which is depicted by blue topological lines connecting the Zn atoms of (a) ZIF-8, [Zn(2-methylimidazolate)2], (b) ZIF-20, [Zn(purinate)2] and (c) ZIF-90, [Zn(2-carboxyaldehyde imidazolate)2].
