Miscellaneous dimensional coordination polymers and luminescence emission properties of cadmium(II)-pseudohalide complexes

Franz A. Mautner*, Roland C. Fischer, Nahed M.H. Salem, Andre J. Darbonne, Shea L. Silhan, Zahra Haghighijoo, Sushant P. Sahu, Febee R. Louka, Salah S. Massoud

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikelBegutachtung

Abstract

Two dimensional classes of coordination polymers: 2D catena-[Cd(Me3en)(µ1,5-dca)2] (1) and catena-[Cd(ampip)(μ1,1-N3)(μ1,3-N3)2] (2) and 1D catena-[Cd(pren)(μ1,1-N3)2] (3) and catena-[Cd(isq)21,3-NCS)2] (4) and catena-{[Cd6(Me3pipz-H)4(Me3pipz)21,3-NCS)12][Cd(NCS)6]‧6H2O} (5), where Me3en = N,N,N‘-trimethylethylenediamine, ampip = 1-(2-aminoethyl-piperidine, pren = N-(n-propyl)-ethylenediamine, isq = isoquinoline and Me3pipz = 1-(2-dimethylaminoethyl)-4-methylpiperazine, have been synthesized and structurally characterized. The degree of dimensionality and nuclearity were discussed in relation to the skeletal nature of the coligands and the bridging pseudohalides. The luminescence emission properties of the five complexes Cd(II) together with [Cd(TPA)(N3)2]‧H2O (6), [Cd6(TPA)41,1,3-N3)41,1-N3)6](ClO4)2·2H2O (7) and [Zn(TPA)(N3)2]‧H2O (TPA = tris(2-methylpyridyl)amine) were investigated in methanol solution. No detectable or weak FL emission was observed in 1–5 complexes. The FL emission enhancement (λex = 260 nm) in the visible region decreases in the order [Zn(TPA)(N3)2]‧H2O > [Cd(TPA)(N3)2]‧H2O (6) ≥ [Cd6(TPA)41,1,3-N3)41,1-N3)6](ClO4)2·2H2O (7) with a red shift in the FL emission of the Cd(II)-TPA compounds.

Originalspracheenglisch
Aufsatznummer120871
FachzeitschriftInorganica Chimica Acta
Jahrgang535
DOIs
PublikationsstatusVeröffentlicht - 24 Mai 2022

ASJC Scopus subject areas

  • Physikalische und Theoretische Chemie
  • Anorganische Chemie
  • Werkstoffchemie

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