Supramolecular synthon frustration leads to crystal structures with Z' >1

Error message

• Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in _menu_load_objects() (line 579 of /home3/kirsty/public_html/zprime/includes/menu.inc).
• Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /home3/kirsty/public_html/zprime/includes/common.inc).