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Sodium Salts of Substituted Tetracyanocyclopentadienides [C 5 (CN) 4 X] − (X= H, CN, NH 2 , NO 2 ): Substituent Influence on the Crystal Structures of Potential Coordination Polymers.
Author(s) -
Nimax Patrick R.,
Sünkel Karlheinz
Publication year - 2018
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201800637
Subject(s) - substituent , chemistry , hydrogen bond , crystallography , metathesis , denticity , crystal structure , salt metathesis reaction , hydrogen , stacking , sodium , medicinal chemistry , inorganic chemistry , stereochemistry , molecule , polymerization , organic chemistry , polymer
Metathesis reactions of NaCl with the silver salts of substituted tetracyanocyclopentadienides [C 5 (CN) 4 X] − (X= H, CN, NO 2 , NH 2 ) gives the corresponding sodium salts 1–4 . While 1–3 give polymeric networks, held together by Pi‐stacking as well as multiply bridging polydentate cyanocyclopentadienides and in part hydrogen bonda, the aminotetracyanocyclo‐pentadienide 4 forms only a water‐bridged dinuclear complexes, which are connected only by an intensive hydrogen bond network. Quite surprisingly, only the NO 2 ‐substituent in 3 coordinates to Na+ besides the cyano groups, while the NH 2 group in 4 is only involved in hydrogen bonds.