The supramolecular structure of a cadmium complex with the new functionalized terpyridine ligand 4'-[4-(pyrimidin-5-yl)phenyl]-2,2':6',2''-terpyridine (L1): aqua(L1-κ³N,N',N'')(nitrato-κ²O,O')(nitrato-κO)cadmium(II) dihydrate.
Acta Crystallogr C
; 69(Pt 8): 822-5, 2013 Aug.
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| ID: mdl-23907867
ABSTRACT
The monomeric title compound, aqua(nitrato-κ²O,O')(nitrato-κO){4'-[4-(pyrimidin-5-yl)phenyl]-2,2'6',2''-terpyridine-κ³N,N',N''}cadmium(II) dihydrate, [Cd(NO3)2(C25H17N5)(H2O)]·2H2O, consists of a seven-coordinated CdII centre bound to the novel 4'-[4-(pyrimidin-5-yl)phenyl]-2,2'6',2''-terpyridine (L1) ligand (behaving as a tridentate chelate), two nitrate anions (as chelating-bidentate and monodentate ligands) and a water O atom. Both chelating groups define the base of a slightly deformed pentagonal bipyramid, while the monocoordinated ligands occupy the apices. The four heterocycles in L1 form a planar skeleton, while the central benzene ring is rotated from this planar geometry by more than 30°, probably because of packing effects. Noncovalent interactions lead to the formation of columnar arrays parallel to [100].
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