Do you know of a new framework topology that we should be evaluating?

Although the members of the Structure Commission make every effort to keep abreast of new zeolite framework types as they appear in the literature, information from the zeolite community regarding materials with new framework topologies that should be considered by the Commission for a 3-letter code are most welcome.
The Framework Type Proposal Form can be downloaded either as
  an MS Word document or as
  a pdf file
Click here to get a list of the letter combinations used to designate numbers in the name of the type material
Proposal forms along with supporting documentation can be sent to either the chairperson or the co-chairperson.

revised 2-November-2021