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ErO3 crystallizes in the hexagonal P6_3/m space group. The structure is three-dimensional. Er is bonded in a 9-coordinate geometry to nine equivalent O atoms. There are three shorter (2.29 Å) and six longer (2.38 Å) Er–O bond lengths. O is bonded in a distorted trigonal planar geometry to three equivalent Er atoms.
ErZn2 crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Er is bonded in a 12-coordinate geometry to twelve equivalent Zn atoms. There are a spread of Er–Zn bond distances ranging from 3.05–3.20 Å. Zn is bonded in a 10-coordinate geometry to six equivalent Er and four equivalent Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.56–2.89 Å.
ErCu2 crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Er is bonded in a 12-coordinate geometry to twelve equivalent Cu atoms. There are a spread of Er–Cu bond distances ranging from 2.93–3.08 Å. Cu is bonded in a 10-coordinate geometry to six equivalent Er and four equivalent Cu atoms. There are a spread of Cu–Cu bond distances ranging from 2.47–2.69 Å.
MgErRh2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mg is bonded in a body-centered cubic geometry to eight equivalent Rh atoms. All Mg–Rh bond lengths are 2.83 Å. Er is bonded in a body-centered cubic geometry to eight equivalent Rh atoms. All Er–Rh bond lengths are 2.83 Å. Rh is bonded in a body-centered cubic geometry to four equivalent Mg and four equivalent Er atoms.
ErDyRh2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Er is bonded in a body-centered cubic geometry to eight equivalent Rh atoms. All Er–Rh bond lengths are 2.96 Å. Dy is bonded in a body-centered cubic geometry to eight equivalent Rh atoms. All Dy–Rh bond lengths are 2.96 Å. Rh is bonded in a body-centered cubic geometry to four equivalent Er and four equivalent Dy atoms.
BaErO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ba is bonded to twelve equivalent O atoms to form BaO12 cuboctahedra that share corners with twelve equivalent BaO12 cuboctahedra, faces with six equivalent BaO12 cuboctahedra, and faces with eight equivalent ErO6 octahedra. All Ba–O bond lengths are 3.11 Å. Er is bonded to six equivalent O atoms to form ErO6 octahedra that share corners with six equivalent ErO6 octahedra and faces with eight equivalent BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Er–O bond lengths are 2.20 Å. O is bonded in a distorted linear geometry to four equivalent Ba and two equivalent Er atoms.
ErDyAl2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Er is bonded in a body-centered cubic geometry to eight equivalent Al atoms. All Er–Al bond lengths are 3.10 Å. Dy is bonded in a body-centered cubic geometry to eight equivalent Al atoms. All Dy–Al bond lengths are 3.10 Å. Al is bonded in a body-centered cubic geometry to four equivalent Er and four equivalent Dy atoms.
ErNbO2 crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Er is bonded to six equivalent O atoms to form edge-sharing ErO6 octahedra. There are two shorter (2.29 Å) and four longer (2.31 Å) Er–O bond lengths. Nb is bonded in a square co-planar geometry to four equivalent O atoms. All Nb–O bond lengths are 2.21 Å. O is bonded to three equivalent Er and two equivalent Nb atoms to form a mixture of distorted edge and corner-sharing OEr3Nb2 trigonal bipyramids.
ErPtZn crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Er is bonded in a 5-coordinate geometry to five equivalent Pt atoms. There are a spread of Er–Pt bond distances ranging from 2.89–2.96 Å. Pt is bonded in a 9-coordinate geometry to five equivalent Er and four equivalent Zn atoms. There are a spread of Pt–Zn bond distances ranging from 2.68–2.71 Å. Zn is bonded in a 4-coordinate geometry to four equivalent Pt atoms.
ErScZn2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Er is bonded in a body-centered cubic geometry to eight equivalent Zn atoms. All Er–Zn bond lengths are 2.99 Å. Sc is bonded in a body-centered cubic geometry to eight equivalent Zn atoms. All Sc–Zn bond lengths are 2.99 Å. Zn is bonded in a body-centered cubic geometry to four equivalent Er and four equivalent Sc atoms.
ErPm3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Er is bonded to twelve equivalent Pm atoms to form ErPm12 cuboctahedra that share corners with twelve equivalent ErPm12 cuboctahedra, edges with twenty-four equivalent PmPm8Er4 cuboctahedra, faces with six equivalent ErPm12 cuboctahedra, and faces with twelve equivalent PmPm8Er4 cuboctahedra. All Er–Pm bond lengths are 3.62 Å. Pm is bonded to four equivalent Er and eight equivalent Pm atoms to form PmPm8Er4 cuboctahedra that share corners with twelve equivalent PmPm8Er4 cuboctahedra, edges with eight equivalent ErPm12 cuboctahedra, edges with sixteen equivalent PmPm8Er4 cuboctahedra, faces with four equivalent ErPm12 cuboctahedra, and faces with fourteen equivalent PmPm8Er4 cuboctahedra. All Pm–Pm bond lengths are 3.62 Å.
ErDyRu2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Er is bonded in a body-centered cubic geometry to eight equivalent Ru atoms. All Er–Ru bond lengths are 2.93 Å. Dy is bonded in a body-centered cubic geometry to eight equivalent Ru atoms. All Dy–Ru bond lengths are 2.93 Å. Ru is bonded in a body-centered cubic geometry to four equivalent Er and four equivalent Dy atoms.
TmErRu2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Tm is bonded in a body-centered cubic geometry to eight equivalent Ru atoms. All Tm–Ru bond lengths are 2.92 Å. Er is bonded in a body-centered cubic geometry to eight equivalent Ru atoms. All Er–Ru bond lengths are 2.92 Å. Ru is bonded in a body-centered cubic geometry to four equivalent Tm and four equivalent Er atoms.
ErHoIn2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Er is bonded in a body-centered cubic geometry to eight equivalent In atoms. All Er–In bond lengths are 3.23 Å. Ho is bonded in a body-centered cubic geometry to eight equivalent In atoms. All Ho–In bond lengths are 3.23 Å. In is bonded in a body-centered cubic geometry to four equivalent Er and four equivalent Ho atoms.
Er5(ReO6)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent Er3+ sites. In the first Er3+ site, Er3+ is bonded to seven O2- atoms to form distorted ErO7 pentagonal bipyramids that share corners with two equivalent ErO6 octahedra, an edgeedge with one ErO6 octahedra, edges with two equivalent ReO6 octahedra, and edges with two equivalent ErO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 56°. There are a spread of Er–O bond distances ranging from 2.26–2.41 Å. In the second Er3+ site, Er3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Er–O bond distances ranging from 2.25–2.48 Å. In the third Er3+ site, Er3+ is bonded to six O2- atoms to form ErO6 octahedra that share corners with four equivalent ReO6 octahedra, corners with four equivalent ErO7 pentagonal bipyramids, and edges with two equivalent ErO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 38°. There are two shorter (2.19 Å) and four longer (2.30 Å) Er–O bond lengths. Re+4.50+ is bonded to six O2- atoms to form ReO6 octahedra that share corners with two equivalent ErO6 octahedra, edges with two equivalent ReO6 octahedra, and edges with two equivalent ErO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 38°. There are a spread of Re–O bond distances ranging from 1.97–2.10 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Er3+ and two equivalent Re+4.50+ atoms. In the second O2- site, O2- is bonded to three Er3+ and one Re+4.50+ atom to form distorted OEr3Re tetrahedra that share corners with ten OEr3Re tetrahedra, a cornercorner with one OEr2Re2 trigonal pyramid, edges with three OEr3Re tetrahedra, and edges with two equivalent OEr2Re2 trigonal pyramids. In the third O2- site, O2- is bonded to two Er3+ and two equivalent Re+4.50+ atoms to form distorted OEr2Re2 trigonal pyramids that share corners with eight OEr3Re tetrahedra, edges with four equivalent OEr3Re tetrahedra, and an edgeedge with one OEr2Re2 trigonal pyramid. In the fourth O2- site, O2- is bonded to four Er3+ atoms to form OEr4 tetrahedra that share corners with ten OEr3Re tetrahedra, corners with three equivalent OEr2Re2 trigonal pyramids, and edges with four OEr3Re tetrahedra.
ErTb3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Er is bonded to twelve equivalent Tb atoms to form ErTb12 cuboctahedra that share corners with twelve equivalent ErTb12 cuboctahedra, edges with twenty-four equivalent TbTb8Er4 cuboctahedra, faces with six equivalent ErTb12 cuboctahedra, and faces with twelve equivalent TbTb8Er4 cuboctahedra. All Er–Tb bond lengths are 3.54 Å. Tb is bonded to four equivalent Er and eight equivalent Tb atoms to form TbTb8Er4 cuboctahedra that share corners with twelve equivalent TbTb8Er4 cuboctahedra, edges with eight equivalent ErTb12 cuboctahedra, edges with sixteen equivalent TbTb8Er4 cuboctahedra, faces with four equivalent ErTb12 cuboctahedra, and faces with fourteen equivalent TbTb8Er4 cuboctahedra. All Tb–Tb bond lengths are 3.54 Å.
Er2Rh3Si crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Er is bonded in a 9-coordinate geometry to nine equivalent Rh atoms. There are three shorter (2.85 Å) and six longer (3.16 Å) Er–Rh bond lengths. Rh is bonded in a 12-coordinate geometry to six equivalent Er, four equivalent Rh, and two equivalent Si atoms. All Rh–Rh bond lengths are 2.79 Å. Both Rh–Si bond lengths are 2.51 Å. Si is bonded to six equivalent Rh atoms to form distorted corner-sharing SiRh6 cuboctahedra.
ErDyAg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Er is bonded in a body-centered cubic geometry to eight equivalent Ag atoms. All Er–Ag bond lengths are 3.14 Å. Dy is bonded in a body-centered cubic geometry to eight equivalent Ag atoms. All Dy–Ag bond lengths are 3.14 Å. Ag is bonded in a body-centered cubic geometry to four equivalent Er and four equivalent Dy atoms.