A 2-D Ag(I) complex with μ₄-bte containing infinite tubes (bte = 1,2-bis(1,2,4-triazole-1-yl)ethane)

Abstract

Using the flexible ligand 1,2-bis(1,2,4-triazole-1-yl)ethane (bte) and corresponding Ag(I) salts, a new two-dimensional (2-D) silver(I) complex {[Ag₄(μ ₄-bte)(μ ₂-H₂O)₂](SiF₆)₂} _n (1) has been isolated. 1 crystallizes in the orthorhombic Pcca space group. The bte adopts an unusual μ ₄-tetradentate coordination mode to link neighboring Ag^I atoms forming infinite 1D Ag-bte tubular structures. Further neighboring Ag-bte tubes are inter-connected by relatively long Ag-(μ ₂-H₂O) bonds forming a 2-D layered structure. Solid-state fluorescence spectrum of 1 shows that the excitation peak is at 320 nm while the maximum emission peak is at 425 nm.

Keywords:

• 1,2-Bis(1,2,4-triazole-1-yl)ethane
• Tubular
• Tetradentate
• Fluorescence

Acknowledgement

This work was supported financially by Tianjin Normal University (5RL055).