ccsd: nopen is not zero 1


Click here for full thread
Gets Around
The CCSD module only handles closed shell systems. If you want to run CCSD calculations on an open shell system, you will need to use the TCE instead of the named ccsd module.

http://nwchemgit.github.io/index.php/CCSD
http://nwchemgit.github.io/index.php/TCE