Synthesis, crystal structure and electrochemical behavior of two new ni-based complexes: [Ni 2(ttpy) 2(SCN) 4] and [Ni(ttpy) 2](CH 3OH) 2 (2I)

Lotfali Saghatforoush*, Karim Adil, Mohammad Hasanzadeh, Ali Aminkhani, Shataw Safarinezhad

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A simple synthetic procedure has been used to prepare two new nickel(II) complexes [Ni 2(ttpy) 2(SCN) 4], (1) and [Ni(ttpy) 2](CH 3OH) 2 (21), (2) from 4′-p-tolyl-2,2′:6′,2″-terpyridine (ttpy) ligand, potassium thiocyanate, and potassium iodide in good yields. The single crystal X-ray analyses reveal that the metals in these complexes are sixfold coordinated with M:L ratio of 1:1 and 1:2 for (1) and (2), respectively. In both complexes, the Ni(II) has distorted octahedral geometry including N 5S and N 6 environments. Versatile interactions in supramolecular level containing coordinative bonding, I···H, and N···H hydrogen bonding, π-π stacking play considerable roles in forming crystal packing of (1) and (2). From obtained data it is concluded that differences in coordination abilities, of used counterions, cause the formation of complexes with 1:1 or 1:2 ratio of metal and ligand. Electrochemical behaviors of the both complexes were investigated.

Original languageEnglish (US)
Pages (from-to)322-330
Number of pages9
JournalActa Chimica Slovenica
Volume59
Issue number2
StatePublished - 2012
Externally publishedYes

Keywords

  • 2,2′:6′,2″-terpyridine
  • Ni(II) complexes
  • Single crystal structure

ASJC Scopus subject areas

  • Chemistry(all)

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