Syntheses, structures and properties of Mn(II), Zn(II) and Ag(I) coordination polymers with 2-(1,2,4-triazol-1-yl)acetate

► Mn(II), Zn(II) and Ag(I) coordination polymers with 2-(1,2,4-tiazol-1-yl)acetate. ► (3,6)-Connected CdCl2-type two-dimensional network. ► Two-dimensional (4,4) network and undulated two-dimensional network. ► Luminescent emission, thermal stability and the diffuse reflectance UV-vis spectroscopy.