Transition metal complexes
of the formulae M(ptt)2,2H2O (M = Mn, Fe, Co, Cu, Zn),
M(ptt)2,- 2NH3,H2O (M = Co, Ni),
FeCl(ptt),2H2O, Ag(ptt), Mn(tmptt)2,2H2O M(tmptt)2,NH3,2H2O
(M = Cu, Zn)M(tmptt)2NH32H2O (M=Co, Ni), Ni(tmptt)2,2NH3,H2O,
Ag(tmptt), M(smptt)2 (M = Co, Ni), Cu(smptt)2,3H2O,
Cu(smptt)2,NH3,2H2O, Cu(smptt)2,2NH3,
Zn(smptt)2,NH3,H2O and Ag(smptt) where ptt,
tmptt and smptt are the anions of 5-(pyridin-2-yl)tetrazole,
5-(3-methylpyridin- 2-yl)tetrazole and 5-(6-methylpyridin-2 yl)tetrazole,
respectively, have been prepared.Studies of the infrared and
ultraviolet-visible spectra, magnetic moments and X-ray diffraction patterns
show structural relationships between compounds and indicate that, in addition
to the organic ligands, water and ammonia molecules are bonded to the metal
ions. Thermal decomposition of the compounds proceeds through the formation of
pyridinecarbonitriles.