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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on GdClO by Materials Project

GdOCl is Matlockite structured and crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Gd3+ is bonded in a 9-coordinate geometry to four equivalent O2- and five equivalent Cl1- atoms. All Gd–O bond lengths are 2.29 Å. There are one shorter (3.08 Å) and four longer (3.12 Å) Gd–Cl bond lengths. O2- is bonded to four equivalent Gd3+ atoms to form a mixture of edge and corner-sharing OGd4 tetrahedra. Cl1- is bonded in a 5-coordinate geometry to five equivalent Gd3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on GdClO2 by Materials Project

GdO2Cl crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Gd is bonded in a 9-coordinate geometry to six O and three equivalent Cl atoms. There are a spread of Gd–O bond distances ranging from 2.30–2.46 Å. There are two shorter (2.84 Å) and one longer (2.94 Å) Gd–Cl bond lengths. There are two inequivalent O sites. In the first O site, O is bonded in a distorted trigonal planar geometry to three equivalent Gd atoms. In the second O site, O is bonded in a trigonal non-coplanar geometry to three equivalent Gd atoms. Cl is bonded in a distorted trigonal non-coplanar geometry to three equivalent Gd atoms.

36 MATERIALS SCIENCE↗