NWChem/Ecce Joint User Agreement

The NWChem source code tree current release is version 4.7. NWChem is available free of charge, subject to the terms and conditions of the EMSL Software User Agreement.

Please Note: Responses will not be provided to the following Embargoed Countries: Cuba, Libya, North Korea, Iran, Syria, and Sudan.


Returning Users

There is a new EMSL Software User Agreement. This new EMSL Software User Agreement is an NWChem and Ecce joint user agreement. If you have not signed the NWChem/Ecce joint user agreement, and you do not have both an NWChem user agreement, and an Ecce user agreement on file, you will need to sign this new user agreement.

  1. Complete the NWChem/Ecce web based registration form in the EMSL User System.
  2. Sign and return the EMSL software user agreement emailed to you by the registration system.
  3. Sign and return the EMSL software user agreement. Send in the User Agreement to Jessica Foreman by either:
    • FAX: +1-509-376-0420, or

    • surface mail:
      PNNL
      P.O. Box 999 MS K8-91
      Richland WA 99352
    Be patient while your request is processed. This may take at least a couple of days. You will receive the time sensitive download information by FAX.
  4. Download the software.


Updated: March 10, 2005
By : Mahin Hackler

NWChem Support
NWChem Home