The symmetry changes and length of the symmetry independent part of [Cu(amt
rz)(3)](n)(2+)(amtrz = 4-amino-1,2,4-triazole) polymeric chains driven by d
ifferent anions in crystals with BF4 (-) (1), BF4- /SiF62-(2) and SiF62 (-)
(3) have been studied by single crystal X-ray method.