Abstract

A new ligand bearing a tetrazol heterocyclic core – N,N-dimethyl-4-[5-(allylsulfanyl)-1 H -tetrazol-1-yl]aniline ( Dasta ) – was synthesized and used for preparation of copper(I) π-complex. Alternating current electrochemical method was used to obtain [Cu( Dasta )( Dasta H)][BF 4 ] 2 ·3.5H 2 O in form of single crystals suitable for X-ray study. This coordination compound crystallizes in monoclinic crystal system, space group I 2/ a ( a = 15.946(5) Å, b = 13.341(5) Å, c = 36.669(8) Å, β = 100.87(3)° , V = 7661(4) Å 3 , Z = 8). The structure is formed by layers composed of [Cu( Dasta )( Dasta H)] 2+ cations and a half of fluoroborate anions while the other half of the counterions connects the layers by means of intercalation. The resulting structure possesses pores which host disordered water molecules. Keywords: copper(I), π-complex, tetrazole derivatives, crystal structure, porous structure.

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