CIF files up to 50MB in size can be deposited directly using the online deposition service available at If the CIF you wish to upload exceeds 50MB then:

  • If there are multiple structures and data_ values please split these up into individual files so there is one structure per file
  • Compress (zip up) the file prior to upload


If your file is still larger than 50MB you can deposit your data by following the instructions below:

  • Please contact our Deposition Team for a link and password at
  • Once you have accessed the link with the password provided, you will be presented with a file upload box
  • Please add your name. This is very important because it allows us to locate your file.
  • Upload your file(s)
  • Please send an email to with your name and file details. Doing this will help us give you your deposition numbers faster.

« Return to search results

Need more help?
Contact CCDC Support.