ICSD now contains 291,382 crystal structures

The ICSD database now contains 291,382 crystal structures.

During the update procedure, 9,781 new entries were added, 1,176 entries were modified and 25 entries were removed. The work on structure types has been expanded to the newly added and modified data. About 200,000 ICSD entries have now been assigned to 10,648 distinct structure types.