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72 crystal structures can be selected, 6 per crystal system (Fig. 1). 30 other stuctures can be selected, allotropes (Fig. 2), minerals or high-Tc cuprates (Fig. 3), graphene (Fig. 4) and Si FCC stacking sequence (Fig. 5).

These 72 structures are the only available crystal descriptions offered by jems student edition.

Cubic to triclinic crystals

Figure1

Figure 1 Select one cubic crystal.

Si3N4 allotropes

Figure2

Figure 2 Si3N4 allotropes.

High Temperature supraconductors (H-Tc)

Figure3

Figure 3 HTC structures.

Graphene and other structures

Figure4

Figure 4 Si [111] super-cells.

Super-cells (FCC ABCABC stacking sequence)

Figure5

Figure 5 Si [111] super-cells.