Аннотация:An informational model of coordination compds. designed for the storage and processing of data on their structures by computational methods is suggested. Problems concerning the optimization of the vol. of information on the structures of complexes are considered. The computer format for data storage of the mol. structure and methods for graphic imaging by computer techniques are suggested. The informational model is used for creating the factog. Russian Crown data base for macrocyclic ligands and their complexes.