Buy database

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

Buy database


Update your database

You can also buy updates for previously purchased database for 1 year for:
$ 134
The price includes 1-year of updates for one user.


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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