Inorganica Chimica Acta
Inorganica Chimica Acta
3 years ago

Anion-reliant structural versatility of novel cadmium(II) complexes: Synthesis, crystal structures, photoluminescence properties and exploration of unusual O···S chalcogen bonding involving thiocyanate coligand

Anion-reliant structural versatility of novel cadmium(II) complexes: Synthesis, crystal structures, photoluminescence properties and exploration of unusual O···S chalcogen bonding involving thiocyanate coligand
In this work we have reported two new Cd(II) complexes viz. [Cd2(L)2(NO3)2] (1) and [Cd2(L)2(NCS)2] (2) where HL = (E)-2-methoxy-6-((quinolin-8-ylimino)methyl)phenol. Both of the complexes have been characterized using different spectroscopic techniques along with single crystal X-ray crystallography. Complexes 1 and 2 are di-(phenoxido)-bridged Cd(II) complexes where NO3 − and NCS− act as terminal coligand. Complexes 1 and 2 feature uncommon distorted monocapped trigonal prismatic geometry and distorted octahedral geometry around Cd(II) centre, respectively. Different non covalent interactions are present in the crystal packing of complexes 1 and 2. Complex 2 reveals chalcogen bonding and unconventional π–π interactions. The energetic features of such type of interactions have been studied by means of DFT calculations and characterized energetically using the NBO computational tool.

Publisher URL: www.sciencedirect.com/science

DOI: S0020169317309659

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