{"uri":"http://onto-ns.com/meta/0.1/Structure","description":"A basic description of an atomic structure.","dimensions":{"natoms":"Number of atoms.","ncoords":"Number of coordinates. Always 3."},"properties":{"positions":{"type":"double","shape":["natoms","ncoords"],"unit":"Å","description":"Atomic positions in Cartesian coordinates."},"symbols":{"type":"string","shape":["natoms"],"description":"Chemical symbols."},"cell":{"type":"double","shape":["ncoords","ncoords"],"unit":"Å","description":"Cartesian unit cell."}}}