Free use

You can use the TTD database for free via our remote service.

For this purpose, you need to download and set up the TORIS software (distributed free of charge and downloadable from our website) in your PC.



Buy database

You can buy TTL database for:
$ 149
The price includes installation package and a 1-year of updates for one user.

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Currently the following payment options are available.

Topological Types of Ligands 

TTL collection (Topological Types of Ligands) is a comprehensive storage of ligands and their coordination modes in mononuclear, polynuclear and polymeric coordination compounds.

Total entries: 199,225
Number of counted structures: 530,580

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