In this tutorial, we explore the capabilities of the pymatgen library for computational materials science using Python. We begin by constructing crystal structures such as silicon, sodium chloride, and a LiFePO₄-like material, and then investigate their lattice properties, densities, and compositions. Also, we analyze symmetry using space-group detection, examine atomic coordination environments, and apply oxidation-state decorations to better understand the structures’ chemistry. We also generate supercells, perturb atomic positions, and compute distance matrices to study structural relationships at larger scales. Along the way, we simulate X-ray diffraction patterns, construct a simple phase diagram, and demonstrate how disordered alloy structures can be approximated by ordered configurations. Finally, we extend the workflow to include molecule analysis, CIF export, and optional querying of the Materials Project database, thereby illustrating how pymatgen can serve as a powerful toolkit for materials modeling and data analysis.
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这意味着西贝在成本的控制上存在诸多问题，换言之，贾国龙不会省钱。