Materials Data on SrZnAsF by Materials Project

Abstract

SrFZnAs is Parent of FeAs superconductors structured and crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Sr2+ is bonded in a 4-coordinate geometry to four equivalent As3- and four equivalent F1- atoms. All Sr–As bond lengths are 3.35 Å. All Sr–F bond lengths are 2.51 Å. Zn2+ is bonded to four equivalent As3- atoms to form a mixture of corner and edge-sharing ZnAs4 tetrahedra. All Zn–As bond lengths are 2.60 Å. As3- is bonded in a 8-coordinate geometry to four equivalent Sr2+ and four equivalent Zn2+ atoms. F1- is bonded to four equivalent Sr2+ atoms to form a mixture of corner and edge-sharing FSr4 tetrahedra.