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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Hg(SbO3)2 by Materials Project

Hg(SbO3)2 is zeta iron carbide-derived structured and crystallizes in the trigonal P-31m space group. The structure is three-dimensional. Hg2+ is bonded to six equivalent O2- atoms to form HgO6 octahedra that share corners with twelve equivalent SbO6 octahedra. The corner-sharing octahedral tilt angles are 53°. All Hg–O bond lengths are 2.44 Å. Sb5+ is bonded to six equivalent O2- atoms to form SbO6 octahedra that share corners with six equivalent HgO6 octahedra and edges with three equivalent SbO6 octahedra. The corner-sharing octahedral tilt angles are 53°. All Sb–O bond lengths are 2.02 Å. O2- is bonded in a distorted trigonal planar geometry to one Hg2+ and two equivalent Sb5+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hg(SbO3)2 by Materials Project

Hg(SbO3)2 is zeta iron carbide-derived structured and crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. Hg2+ is bonded to six O2- atoms to form HgO6 octahedra that share corners with eight equivalent SbO6 octahedra and edges with two equivalent SbO6 octahedra. The corner-sharing octahedra tilt angles range from 54–57°. There are two shorter (2.27 Å) and four longer (2.35 Å) Hg–O bond lengths. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with four equivalent HgO6 octahedra, corners with four equivalent SbO6 octahedra, an edgeedge with one HgO6 octahedra, and an edgeedge with one SbO6 octahedra. The corner-sharing octahedra tilt angles range from 39–57°. There are four shorter (2.03 Å) and two longer (2.05 Å) Sb–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to one Hg2+ and two equivalent Sb5+ atoms. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Hg2+ and two equivalent Sb5+ atoms.

36 MATERIALS SCIENCE↗