A novel one-dimensional coordination polymer of cadmium(II)/triazine extending by di-chloro and di-iodo bridges

Shakiba Shahmirzaei, Zahra Mardani, Keyvan Moeini, Cameron Carpenter-Warren, Alexandra M. Z. Slawin, J Derek Woollins

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A new triazine ligand salt, 2,2′,2″-(1,3,5-triazine-2,4,6-triyl)tris(hydrazin-1-ium) chloride [THT·(HCl)3], and the one-dimensional coordination polymer of cadmium, [Cd2(µ-THT)(µ-Cl)(µ-I)I2]·2(H2O), are prepared and characterized by elemental analysis, Fourier-transform infrared spectroscopy, 1H NMR spectroscopy, and single-crystal X-ray diffraction (for the cadmium polymer). X-ray analysis revealed that the polymeric backbone is extended alternatively by di-iodo and di-chloro bridges; this type of bridge is not observed previously between any metal atoms. There are two types of cadmium atoms in the polymer: cadmium of the polymeric chain and terminal cadmiums. The geometry around the first (CdN2Cl2I2) is octahedral, while the latter (CdN3I2) has an incline to square-pyramidal geometry. The triazine ligand of this structure also bridges two cadmium atoms and acts as an N3 donor toward the terminal cadmium atoms and as an N2 donor toward the cadmium atoms of the chain. In the crystal network of the cadmium polymer, the hydrogen bonds of N–H···X (X: O, N, I) form different hydrogen bond motifs, including R22(8), R24(10), R34(14), R44(18), R46(20), R66(24), R66(28), and R66(32).
Original languageEnglish
Pages (from-to)221-226
JournalJournal of Chemical Research
Volume44
Issue number3-4
Early online date8 Jan 2020
DOIs
Publication statusPublished - 1 Mar 2020

Keywords

  • Cadmium(II)
  • Chloro bridge
  • Coordination polymer
  • Iodo bridge
  • Triazine

Fingerprint

Dive into the research topics of 'A novel one-dimensional coordination polymer of cadmium(II)/triazine extending by di-chloro and di-iodo bridges'. Together they form a unique fingerprint.

Cite this