3-Cyanobenzoic acid was used in the preparation of new Co(II)-doped Zn(II)-tetrazole-benzoate coordination polymers via in situ [2+3] cycloaddition reactions with NaN3 in the presence of Zn(II) and/or Co(II) salts under hydrothermal conditions. It was als 웿 Ɓ ñ ꅄ眓᧘ठࠃ 眓 眓Ȃ Ӥ 楰眜Ӥ