constformula=screen.getByTitle('A (reduced) chemical formula')
constformula=screen.getByTitle('The chemical formula for a structure in Hill form with element symbols followed by integer chemical proportion numbers. The proportion number MUST be omitted if it is 1.')
constcrystal_system=screen.getByTitle('Name of the crystal system. Can be one of the following: triclinic, monoclinic, orthorhombic, tetragonal, trigonal, hexagonal or cubic.')