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DOE OSTI2020

Materials Data on SnBr4 by Materials Project

SnBr4 is Silicon tetrafluoride-like structured and crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four tin(iv) bromide molecules. Sn4+ is bonded in a tetrahedral geometry to four Br1- atoms. All Sn–Br bond lengths are 2.48 Å. There are four inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the second Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the third Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the fourth Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on SnBr2 by Materials Project

SnBr2 is Rutile structured and crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. Sn2+ is bonded to six equivalent Br1- atoms to form a mixture of corner and edge-sharing SnBr6 octahedra. The corner-sharing octahedral tilt angles are 48°. There are two shorter (3.00 Å) and four longer (3.02 Å) Sn–Br bond lengths. Br1- is bonded in a distorted trigonal planar geometry to three equivalent Sn2+ atoms.

36 MATERIALS SCIENCE↗