XCrySDen download software free chemistry software in the field of drawing, observing and simulating various crystal and molecular structures. XCrySDen software has the ability to draw a variety of isosurfaces and contours of crystal structures. Crystal structures in PDB, XYZ and XSF formats can be imported in this software. The chemical structures of computing software, such as GAUSSIAN, CRYSTAL, PWscf, WIEN2k, FHI98MD QuantumEspresso  can also be included in this software. This software has the ability to display the crystal lattice, display the Wigner-Seitz cell, select the k-path, calculate the strip structure, display the Brillouin  area, and so on.

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