File Name : figure s1.tif Caption : fig.s1. ⅰ-ⅳ: total and partial density of states of atmos (a= mn, co, ni, cd, zn, mg) structures (light-blue: total-orbital, red: s-orbital, green: p-orbital, dark-blue: d-orbital) File Name : figure s2.tif Caption : the shg polarization response of atmos (a=cd, zn, mg) at incidence angles of 30°,45°,60°. (a-c)cdtemoo6 (d-f) zntemoo6 (g-i) mgtemoo6. red line represents parallel components and blue line represents perpendicular components.