15 crown-5: An unsymmetrical bifacial hydrogen-bond acceptor in crystal engineering

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• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
• Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /home3/kirsty/public_html/zprime/includes/common.inc).
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