import crystal symmetry from phl or cif files
if cif file not found and input name is a valid COD entry, this function tries to download the file from <http://www.crystallography.net/cif/ http://www.crystallography.net/cif/>
import crystal symmetry from phl or cif files
if cif file not found and input name is a valid COD entry, this function tries to download the file from <http://www.crystallography.net/cif/ http://www.crystallography.net/cif/>