chemistrykit.crystal
====================

Crystal systems and unit-cell volume, hard-sphere packing, ionic lattice energy, and powder XRD.

.. grid:: 1 2 3 3
   :gutter: 2

   .. grid-item-card:: History
      :link: /history/crystal_breakthroughs
      :link-type: doc

      The foundational breakthroughs behind this subpackage, linked to the implementation.

   .. grid-item-card:: Examples
      :link: /api/gallery/crystal/index
      :link-type: doc

      Runnable tutorials and the full example gallery.

   .. grid-item-card:: API reference
      :link: /api/crystal
      :link-type: doc

      Every public class and function.