Returns a Structure with species decorated with spin values instead
        of using magmom site properties.
        :return: Structure

def get_structure_with_spin(self):
        """
        Returns a Structure with species decorated with spin values instead
        of using magmom site properties.
        :return: Structure
        """

        structure = self.structure.copy()
        structure.add_spin_by_site(structure.site_properties["magmom"])
        structure.remove_site_property("magmom")

        return structure