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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Eu(ZnGe)2 by Materials Project

EuZn2Ge2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Eu is bonded in a 12-coordinate geometry to eight Zn and eight Ge atoms. There are four shorter (3.32 Å) and four longer (3.43 Å) Eu–Zn bond lengths. There are four shorter (3.31 Å) and four longer (3.43 Å) Eu–Ge bond lengths. There are two inequivalent Zn sites. In the first Zn site, Zn is bonded to four equivalent Eu and four equivalent Ge atoms to form distorted ZnEu4Ge4 tetrahedra that share corners with twelve equivalent GeEu4Zn4 tetrahedra, edges with two equivalent GeEu4Zn4 tetrahedra, edges with four equivalent ZnEu4Ge4 tetrahedra, and faces with four equivalent ZnEu4Ge4 tetrahedra. All Zn–Ge bond lengths are 2.60 Å. In the second Zn site, Zn is bonded in a 5-coordinate geometry to four equivalent Eu and five Ge atoms. There are one shorter (2.45 Å) and four longer (2.59 Å) Zn–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded to four equivalent Eu and four equivalent Zn atoms to form distorted GeEu4Zn4 tetrahedra that share corners with twelve equivalent ZnEu4Ge4 tetrahedra, edges with two equivalent ZnEu4Ge4 tetrahedra, edges with four equivalent GeEu4Zn4 tetrahedra, and faces with four equivalent GeEu4Zn4 tetrahedra. In the second Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent Eu and five Zn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu(ZnGe)2 by Materials Project

EuZn2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Eu is bonded in a 8-coordinate geometry to eight equivalent Zn and eight equivalent Ge atoms. All Eu–Zn bond lengths are 3.45 Å. All Eu–Ge bond lengths are 3.32 Å. Zn is bonded to four equivalent Eu and four equivalent Ge atoms to form a mixture of distorted corner, edge, and face-sharing ZnEu4Ge4 tetrahedra. All Zn–Ge bond lengths are 2.59 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Eu, four equivalent Zn, and one Ge atom. The Ge–Ge bond length is 2.54 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuZnGe by Materials Project

EuZnGe is hexagonal omega structure-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Eu is bonded to six equivalent Zn and six equivalent Ge atoms to form a mixture of face and edge-sharing EuZn6Ge6 cuboctahedra. All Eu–Zn bond lengths are 3.29 Å. All Eu–Ge bond lengths are 3.29 Å. Zn is bonded in a distorted trigonal planar geometry to six equivalent Eu and three equivalent Ge atoms. All Zn–Ge bond lengths are 2.51 Å. Ge is bonded in a distorted trigonal planar geometry to six equivalent Eu and three equivalent Zn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuZnGe by Materials Project

EuZnGe crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Eu is bonded to six equivalent Zn and six equivalent Ge atoms to form a mixture of edge and face-sharing EuZn6Ge6 cuboctahedra. All Eu–Zn bond lengths are 3.34 Å. All Eu–Ge bond lengths are 3.34 Å. Zn is bonded in a distorted trigonal planar geometry to six equivalent Eu and three equivalent Ge atoms. All Zn–Ge bond lengths are 2.48 Å. Ge is bonded in a distorted trigonal planar geometry to six equivalent Eu and three equivalent Zn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuZnGe by Materials Project

EuZnGe crystallizes in the orthorhombic Pmma space group. The structure is three-dimensional. Eu is bonded to six equivalent Zn and six equivalent Ge atoms to form a mixture of edge and face-sharing EuZn6Ge6 cuboctahedra. All Eu–Zn bond lengths are 3.41 Å. There are four shorter (3.26 Å) and two longer (3.31 Å) Eu–Ge bond lengths. Zn is bonded in a 1-coordinate geometry to six equivalent Eu, two equivalent Zn, and one Ge atom. Both Zn–Zn bond lengths are 2.45 Å. The Zn–Ge bond length is 2.51 Å. Ge is bonded in a 1-coordinate geometry to six equivalent Eu, one Zn, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.59 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuZnGe by Materials Project

EuZnGe is hexagonal omega structure-derived structured and crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Eu is bonded to six equivalent Zn and six equivalent Ge atoms to form a mixture of edge and face-sharing EuZn6Ge6 cuboctahedra. All Eu–Zn bond lengths are 3.32 Å. All Eu–Ge bond lengths are 3.33 Å. Zn is bonded in a 9-coordinate geometry to six equivalent Eu and three equivalent Zn atoms. All Zn–Zn bond lengths are 2.56 Å. Ge is bonded in a 9-coordinate geometry to six equivalent Eu and three equivalent Ge atoms. All Ge–Ge bond lengths are 2.56 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuZnGe by Materials Project

EuZnGe crystallizes in the orthorhombic Pmmm space group. The structure is three-dimensional. there are two inequivalent Eu sites. In the first Eu site, Eu is bonded to four equivalent Zn and eight equivalent Ge atoms to form a mixture of edge and face-sharing EuZn4Ge8 cuboctahedra. All Eu–Zn bond lengths are 3.31 Å. All Eu–Ge bond lengths are 3.31 Å. In the second Eu site, Eu is bonded to eight equivalent Zn and four equivalent Ge atoms to form a mixture of edge and face-sharing EuZn8Ge4 cuboctahedra. All Eu–Zn bond lengths are 3.31 Å. All Eu–Ge bond lengths are 3.30 Å. Zn is bonded in a 2-coordinate geometry to six Eu, one Zn, and two equivalent Ge atoms. The Zn–Zn bond length is 2.50 Å. Both Zn–Ge bond lengths are 2.49 Å. Ge is bonded in a distorted bent 120 degrees geometry to six Eu, two equivalent Zn, and one Ge atom. The Ge–Ge bond length is 2.52 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2ZnGe3 by Materials Project

Eu2ZnGe3 crystallizes in the orthorhombic Cmce space group. The structure is three-dimensional. there are two inequivalent Eu sites. In the first Eu site, Eu is bonded in a 12-coordinate geometry to two equivalent Zn and ten Ge atoms. There are one shorter (3.19 Å) and one longer (3.57 Å) Eu–Zn bond lengths. There are a spread of Eu–Ge bond distances ranging from 3.12–3.53 Å. In the second Eu site, Eu is bonded in a 12-coordinate geometry to two equivalent Zn and eight Ge atoms. Both Eu–Zn bond lengths are 3.15 Å. There are a spread of Eu–Ge bond distances ranging from 3.13–3.52 Å. Zn is bonded in a 3-coordinate geometry to four Eu and three Ge atoms. There are two shorter (2.46 Å) and one longer (2.48 Å) Zn–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 1-coordinate geometry to six Eu, one Zn, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.54 Å. In the second Ge site, Ge is bonded in a 1-coordinate geometry to six Eu, one Zn, and two Ge atoms. The Ge–Ge bond length is 2.52 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2ZnGe3 by Materials Project

Eu2ZnGe3 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Eu sites. In the first Eu site, Eu is bonded in a 12-coordinate geometry to two equivalent Zn and ten Ge atoms. There are one shorter (3.22 Å) and one longer (3.52 Å) Eu–Zn bond lengths. There are a spread of Eu–Ge bond distances ranging from 3.12–3.57 Å. In the second Eu site, Eu is bonded in a 12-coordinate geometry to four equivalent Zn and eight Ge atoms. There are two shorter (3.18 Å) and two longer (3.49 Å) Eu–Zn bond lengths. There are a spread of Eu–Ge bond distances ranging from 3.13–3.53 Å. Zn is bonded in a 3-coordinate geometry to six Eu and three Ge atoms. There are two shorter (2.47 Å) and one longer (2.48 Å) Zn–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 1-coordinate geometry to six Eu, one Zn, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.54 Å. In the second Ge site, Ge is bonded in a 1-coordinate geometry to six Eu, one Zn, and two Ge atoms. The Ge–Ge bond length is 2.54 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuZnGe by Materials Project

EuZnGe crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Eu is bonded to six equivalent Zn and six equivalent Ge atoms to form a mixture of face and edge-sharing EuZn6Ge6 cuboctahedra. There are two shorter (3.32 Å) and four longer (3.33 Å) Eu–Zn bond lengths. All Eu–Ge bond lengths are 3.32 Å. Zn is bonded in a 2-coordinate geometry to six equivalent Eu, one Zn, and two equivalent Ge atoms. The Zn–Zn bond length is 2.53 Å. Both Zn–Ge bond lengths are 2.51 Å. Ge is bonded in a distorted bent 120 degrees geometry to six equivalent Eu, two equivalent Zn, and one Ge atom. The Ge–Ge bond length is 2.54 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2Zn3Ge by Materials Project

Eu2Zn3Ge crystallizes in the orthorhombic Fmmm space group. The structure is three-dimensional. there are two inequivalent Eu sites. In the first Eu site, Eu is bonded to ten Zn and two equivalent Ge atoms to form a mixture of face and edge-sharing EuZn10Ge2 cuboctahedra. There are a spread of Eu–Zn bond distances ranging from 3.21–3.27 Å. Both Eu–Ge bond lengths are 3.25 Å. In the second Eu site, Eu is bonded to eight Zn and four equivalent Ge atoms to form a mixture of face and edge-sharing EuZn8Ge4 cuboctahedra. There are four shorter (3.24 Å) and four longer (3.25 Å) Eu–Zn bond lengths. All Eu–Ge bond lengths are 3.26 Å. There are two inequivalent Zn sites. In the first Zn site, Zn is bonded in a distorted single-bond geometry to six Eu, two Zn, and one Ge atom. There are one shorter (2.62 Å) and one longer (2.67 Å) Zn–Zn bond lengths. The Zn–Ge bond length is 2.60 Å. In the second Zn site, Zn is bonded in a 1-coordinate geometry to six Eu, two equivalent Zn, and one Ge atom. The Zn–Ge bond length is 2.65 Å. Ge is bonded in a 3-coordinate geometry to six Eu and three Zn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuZnGe by Materials Project

EuZnGe crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Eu sites. In the first Eu site, Eu is bonded to six equivalent Zn and six equivalent Ge atoms to form a mixture of edge and face-sharing EuZn6Ge6 cuboctahedra. All Eu–Zn bond lengths are 3.27 Å. All Eu–Ge bond lengths are 3.26 Å. In the second Eu site, Eu is bonded to six equivalent Zn and six equivalent Ge atoms to form a mixture of edge and face-sharing EuZn6Ge6 cuboctahedra. All Eu–Zn bond lengths are 3.27 Å. All Eu–Ge bond lengths are 3.28 Å. Zn is bonded in a distorted trigonal planar geometry to six Eu and three equivalent Ge atoms. All Zn–Ge bond lengths are 2.47 Å. Ge is bonded in a distorted trigonal planar geometry to six Eu and three equivalent Zn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu2ZnGe3 by Materials Project

Eu2ZnGe3 crystallizes in the orthorhombic Fmmm space group. The structure is three-dimensional. there are two inequivalent Eu sites. In the first Eu site, Eu is bonded to two equivalent Zn and ten Ge atoms to form a mixture of edge and face-sharing EuZn2Ge10 cuboctahedra. Both Eu–Zn bond lengths are 3.34 Å. There are six shorter (3.30 Å) and four longer (3.32 Å) Eu–Ge bond lengths. In the second Eu site, Eu is bonded to four equivalent Zn and eight Ge atoms to form a mixture of edge and face-sharing EuZn4Ge8 cuboctahedra. All Eu–Zn bond lengths are 3.31 Å. There are four shorter (3.29 Å) and four longer (3.30 Å) Eu–Ge bond lengths. Zn is bonded in a distorted trigonal planar geometry to six Eu and three Ge atoms. There are two shorter (2.42 Å) and one longer (2.44 Å) Zn–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a distorted single-bond geometry to six Eu, one Zn, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.50 Å. In the second Ge site, Ge is bonded in a distorted single-bond geometry to six Eu, one Zn, and two Ge atoms. The Ge–Ge bond length is 2.50 Å.

36 MATERIALS SCIENCE↗