There was a problem with the connection!

The XPS web application is currently unavailable due to a system issue affecting communication between the web server and the database.

NIST X-ray Photoelectron Spectroscopy Database (SRD 20), Version 5.0

Compound Search:
Data for Compounds Chemical Name
Instruction: Enter the compound name, check the option box for the exact search or uncheck to search substring containing an input.
An error has occurred. This application may no longer respond until reloaded. Reload 🗙