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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Er(CoGe)2 by Materials Project

ErCo2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Er is bonded in a 8-coordinate geometry to eight equivalent Co and eight equivalent Ge atoms. All Er–Co bond lengths are 3.20 Å. All Er–Ge bond lengths are 3.07 Å. Co is bonded to four equivalent Er and four equivalent Ge atoms to form a mixture of distorted edge, corner, and face-sharing CoEr4Ge4 tetrahedra. All Co–Ge bond lengths are 2.33 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Er, four equivalent Co, and one Ge atom. The Ge–Ge bond length is 2.56 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Er2Co3Ge5 by Materials Project

Er2Co3Ge5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Er is bonded in a 1-coordinate geometry to ten Ge atoms. There are a spread of Er–Ge bond distances ranging from 2.88–3.21 Å. There are two inequivalent Co sites. In the first Co site, Co is bonded in a 6-coordinate geometry to six Ge atoms. There are a spread of Co–Ge bond distances ranging from 2.39–2.68 Å. In the second Co site, Co is bonded in a 9-coordinate geometry to five Ge atoms. There are a spread of Co–Ge bond distances ranging from 2.30–2.41 Å. There are four inequivalent Ge sites. In the first Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Er, three Co, and two Ge atoms. There are one shorter (2.64 Å) and one longer (2.65 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a 5-coordinate geometry to four equivalent Er, three Co, and four Ge atoms. Both Ge–Ge bond lengths are 2.85 Å. In the third Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Er and four equivalent Co atoms. In the fourth Ge site, Ge is bonded in a 2-coordinate geometry to four equivalent Er, three Co, and four Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Er(Co2Ge)2 by Materials Project

Er(Co2Ge)2 crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. Er is bonded to six equivalent Ge atoms to form a mixture of distorted edge and corner-sharing ErGe6 octahedra. The corner-sharing octahedral tilt angles are 39°. There are two shorter (2.84 Å) and four longer (2.92 Å) Er–Ge bond lengths. Co is bonded in a 3-coordinate geometry to three equivalent Ge atoms. All Co–Ge bond lengths are 2.39 Å. Ge is bonded in a 9-coordinate geometry to three equivalent Er and six equivalent Co atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Er3Co4Ge13 by Materials Project

Er3Co4Ge13 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. Er is bonded in a 12-coordinate geometry to four equivalent Co and twelve equivalent Ge atoms. All Er–Co bond lengths are 3.10 Å. There are four shorter (3.08 Å) and eight longer (3.09 Å) Er–Ge bond lengths. Co is bonded in a 6-coordinate geometry to three equivalent Er and six equivalent Ge atoms. All Co–Ge bond lengths are 2.40 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to three equivalent Er, two equivalent Co, and four Ge atoms. There are a spread of Ge–Ge bond distances ranging from 2.68–2.99 Å. In the second Ge site, Ge is bonded in a cuboctahedral geometry to twelve equivalent Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ErCoGe2 by Materials Project

ErCoGe2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Er is bonded in a 4-coordinate geometry to four equivalent Co and ten Ge atoms. All Er–Co bond lengths are 3.16 Å. There are a spread of Er–Ge bond distances ranging from 3.09–3.25 Å. Co is bonded in a 5-coordinate geometry to four equivalent Er and five Ge atoms. There are a spread of Co–Ge bond distances ranging from 2.25–2.36 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 1-coordinate geometry to six equivalent Er, one Co, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.55 Å. In the second Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Er and four equivalent Co atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Er3(CoGe2)2 by Materials Project

Er3Co2Ge4 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Er sites. In the first Er site, Er is bonded in a 12-coordinate geometry to four equivalent Co and eight Ge atoms. There are a spread of Er–Co bond distances ranging from 2.87–3.20 Å. There are a spread of Er–Ge bond distances ranging from 2.95–3.25 Å. In the second Er site, Er is bonded in a 6-coordinate geometry to eight Ge atoms. There are a spread of Er–Ge bond distances ranging from 2.97–3.32 Å. Co is bonded in a 4-coordinate geometry to four equivalent Er and four Ge atoms. There are a spread of Co–Ge bond distances ranging from 2.35–2.43 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 10-coordinate geometry to six Er, three equivalent Co, and one Ge atom. The Ge–Ge bond length is 2.96 Å. In the second Ge site, Ge is bonded in a 9-coordinate geometry to six Er, one Co, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.71 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ErCoGe by Materials Project

ErCoGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Er is bonded in a 12-coordinate geometry to six equivalent Co and six equivalent Ge atoms. There are a spread of Er–Co bond distances ranging from 2.88–3.26 Å. There are a spread of Er–Ge bond distances ranging from 2.93–3.17 Å. Co is bonded in a 10-coordinate geometry to six equivalent Er and four equivalent Ge atoms. There are a spread of Co–Ge bond distances ranging from 2.45–2.53 Å. Ge is bonded in a 10-coordinate geometry to six equivalent Er and four equivalent Co atoms.

36 MATERIALS SCIENCE↗