Abstract
The tetrathiafulvalene based 2-immino-pyrazine derivative (TTF-CHN-2-pyz) () was synthesized and characterized. Its radical cation salt ( (+)PF(6)(-)) was prepared as single crystals by electrocrystallisation. (+)PF(6)(-) crystallizes in the triclinic P1 space group. Four 1 : 2 bis(hexafluoroacetylacetonate)M(ii) complexes coordinated with were prepared (M = Mn for , M = Co for , M = Cu for and M = Zn for ). Complex crystallizes in the monoclinic C2/c space group, complexes and crystallize in the triclinic space group P1. Two pyrazine N atoms from two different donors are coordinated in cis configuration for and trans configuration for and to the metallic ion of M(hfac)(2) (hfac(-)=hexafluoroacetylacetonate anion). The manganese atom adopts a pseudo-compressed octahedral geometry while the copper and the zinc ions adopt axially elongated octahedral geometries. Both crystal packing structures and electrochemical properties are appropriate for their potential use as starting molecular bricks for conducting and magnetic materials.
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