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At least 793 records · Page 44
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DOE OSTI2020

Materials Data on Eu3Hf by Materials Project

Eu3Hf crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Eu sites. In the first Eu site, Eu is bonded to eight Eu and four equivalent Hf atoms to form EuEu8Hf4 cuboctahedra that share corners with twelve equivalent EuEu8Hf4 cuboctahedra, edges with eight equivalent HfEu12 cuboctahedra, edges with sixteen EuEu8Hf4 cuboctahedra, faces with four equivalent HfEu12 cuboctahedra, and faces with fourteen EuEu8Hf4 cuboctahedra. There are four shorter (3.64 Å) and four longer (3.65 Å) Eu–Eu bond lengths. All Eu–Hf bond lengths are 3.64 Å. In the second Eu site, Eu is bonded to eight equivalent Eu and four equivalent Hf atoms to form EuEu8Hf4 cuboctahedra that share corners with four equivalent EuEu8Hf4 cuboctahedra, corners with eight equivalent HfEu12 cuboctahedra, edges with twenty-four EuEu8Hf4 cuboctahedra, faces with six equivalent HfEu12 cuboctahedra, and faces with twelve EuEu8Hf4 cuboctahedra. All Eu–Hf bond lengths are 3.65 Å. Hf is bonded to twelve Eu atoms to form HfEu12 cuboctahedra that share corners with four equivalent HfEu12 cuboctahedra, corners with eight equivalent EuEu8Hf4 cuboctahedra, edges with eight equivalent HfEu12 cuboctahedra, edges with sixteen equivalent EuEu8Hf4 cuboctahedra, faces with four equivalent HfEu12 cuboctahedra, and faces with fourteen EuEu8Hf4 cuboctahedra.

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Materials Data on Hf2MnOs by Materials Project

Hf2MnOs crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Hf2MnOs ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to one Mn and one Os atom. The Hf–Mn bond length is 2.62 Å. The Hf–Os bond length is 2.30 Å. Mn is bonded in a linear geometry to two equivalent Hf atoms. Os is bonded in a linear geometry to two equivalent Hf atoms.

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DOE OSTI2020

Materials Data on Hf2AlMo by Materials Project

Hf2MoAl crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Hf2MoAl ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to one Mo and one Al atom. The Hf–Mo bond length is 2.34 Å. The Hf–Al bond length is 2.76 Å. Mo is bonded in a linear geometry to two equivalent Hf atoms. Al is bonded in a linear geometry to two equivalent Hf atoms.

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DOE OSTI2020

Materials Data on Hf2OsRu by Materials Project

Hf2OsRu is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Os and four equivalent Ru atoms. All Hf–Os bond lengths are 2.82 Å. All Hf–Ru bond lengths are 2.82 Å. Os is bonded in a body-centered cubic geometry to eight equivalent Hf atoms. Ru is bonded in a body-centered cubic geometry to eight equivalent Hf atoms.

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DOE OSTI2020

Materials Data on HfZrV4 by Materials Project

HfZrV4 is Hexagonal Laves-derived structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Hf is bonded in a 12-coordinate geometry to four equivalent Zr and twelve equivalent V atoms. All Hf–Zr bond lengths are 3.18 Å. All Hf–V bond lengths are 3.04 Å. Zr is bonded in a 12-coordinate geometry to four equivalent Hf and twelve equivalent V atoms. All Zr–V bond lengths are 3.04 Å. V is bonded to three equivalent Hf, three equivalent Zr, and six equivalent V atoms to form a mixture of corner, edge, and face-sharing VHf3Zr3V6 cuboctahedra. There are three shorter (2.59 Å) and three longer (2.60 Å) V–V bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K3Hf by Materials Project

K3Hf is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded to eight K and four equivalent Hf atoms to form distorted KK8Hf4 cuboctahedra that share corners with twelve equivalent KK8Hf4 cuboctahedra, edges with eight equivalent KK8Hf4 cuboctahedra, edges with eight equivalent HfK12 cuboctahedra, faces with four equivalent HfK12 cuboctahedra, and faces with ten equivalent KK8Hf4 cuboctahedra. There are four shorter (4.07 Å) and four longer (4.23 Å) K–K bond lengths. All K–Hf bond lengths are 4.23 Å. In the second K site, K is bonded in a distorted square co-planar geometry to eight equivalent K and four equivalent Hf atoms. All K–Hf bond lengths are 4.07 Å. Hf is bonded to twelve K atoms to form HfK12 cuboctahedra that share corners with four equivalent HfK12 cuboctahedra, edges with eight equivalent HfK12 cuboctahedra, edges with sixteen equivalent KK8Hf4 cuboctahedra, faces with four equivalent HfK12 cuboctahedra, and faces with eight equivalent KK8Hf4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2MoPt by Materials Project

Hf2MoPt crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Hf2MoPt ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to one Mo and one Pt atom. The Hf–Mo bond length is 2.41 Å. The Hf–Pt bond length is 2.54 Å. Mo is bonded in a linear geometry to two equivalent Hf atoms. Pt is bonded in a linear geometry to two equivalent Hf atoms.

36 MATERIALS SCIENCE↗
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Materials Data on HfSbPd by Materials Project

HfPdSb crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Hf is bonded in a 11-coordinate geometry to six equivalent Pd and five equivalent Sb atoms. There are a spread of Hf–Pd bond distances ranging from 3.08–3.22 Å. There are a spread of Hf–Sb bond distances ranging from 2.95–3.09 Å. Pd is bonded in a 10-coordinate geometry to six equivalent Hf and four equivalent Sb atoms. There are three shorter (2.66 Å) and one longer (2.73 Å) Pd–Sb bond lengths. Sb is bonded in a 9-coordinate geometry to five equivalent Hf and four equivalent Pd atoms.

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Materials Data on Hf2HC by Materials Project

Hf2CH is Caswellsilverite structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Hf is bonded to three equivalent C and three equivalent H atoms to form a mixture of edge and corner-sharing HfH3C3 octahedra. The corner-sharing octahedral tilt angles are 0°. All Hf–C bond lengths are 2.26 Å. All Hf–H bond lengths are 2.36 Å. C is bonded to six equivalent Hf atoms to form CHf6 octahedra that share corners with six equivalent HHf6 octahedra, edges with six equivalent CHf6 octahedra, and edges with six equivalent HHf6 octahedra. The corner-sharing octahedral tilt angles are 4°. H is bonded to six equivalent Hf atoms to form HHf6 octahedra that share corners with six equivalent CHf6 octahedra, edges with six equivalent CHf6 octahedra, and edges with six equivalent HHf6 octahedra. The corner-sharing octahedral tilt angles are 4°.

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Materials Data on Hf2Ni7 by Materials Project

Hf2Ni7 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Hf is bonded in a 6-coordinate geometry to fourteen Ni atoms. There are a spread of Hf–Ni bond distances ranging from 2.70–2.87 Å. There are three inequivalent Ni sites. In the first Ni site, Ni is bonded to four equivalent Hf and eight Ni atoms to form a mixture of corner, edge, and face-sharing NiHf4Ni8 cuboctahedra. There are four shorter (2.35 Å) and four longer (2.47 Å) Ni–Ni bond lengths. In the second Ni site, Ni is bonded to four equivalent Hf and eight Ni atoms to form a mixture of corner, edge, and face-sharing NiHf4Ni8 cuboctahedra. There are a spread of Ni–Ni bond distances ranging from 2.33–2.48 Å. In the third Ni site, Ni is bonded in a 12-coordinate geometry to four equivalent Hf and eight Ni atoms. There are a spread of Ni–Ni bond distances ranging from 2.40–2.71 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2MnRe by Materials Project

Hf2ReMn crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Hf2ReMn ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to one Re and one Mn atom. The Hf–Re bond length is 2.32 Å. The Hf–Mn bond length is 2.60 Å. Re is bonded in a linear geometry to two equivalent Hf atoms. Mn is bonded in a linear geometry to two equivalent Hf atoms.

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DOE OSTI2020

Materials Data on Hf2RePd by Materials Project

Hf2RePd is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Re and four equivalent Pd atoms. All Hf–Re bond lengths are 2.86 Å. All Hf–Pd bond lengths are 2.86 Å. Re is bonded in a body-centered cubic geometry to eight equivalent Hf atoms. Pd is bonded in a body-centered cubic geometry to eight equivalent Hf atoms.

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DOE OSTI2020

Materials Data on HfSiW by Materials Project

HfWSi crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Hf is bonded in a 9-coordinate geometry to four equivalent W and five equivalent Si atoms. There are two shorter (2.99 Å) and two longer (3.08 Å) Hf–W bond lengths. There are a spread of Hf–Si bond distances ranging from 2.73–2.91 Å. W is bonded in a 12-coordinate geometry to four equivalent Hf and four equivalent Si atoms. There are a spread of W–Si bond distances ranging from 2.53–2.70 Å. Si is bonded in a 9-coordinate geometry to five equivalent Hf and four equivalent W atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2FeCo by Materials Project

Hf2FeCo crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Hf2FeCo ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to one Fe and one Co atom. The Hf–Fe bond length is 2.24 Å. The Hf–Co bond length is 2.25 Å. Fe is bonded in a linear geometry to two equivalent Hf atoms. Co is bonded in a linear geometry to two equivalent Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfNiP by Materials Project

HfNiP crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Hf is bonded in a 5-coordinate geometry to six equivalent Ni and five equivalent P atoms. There are a spread of Hf–Ni bond distances ranging from 2.81–2.93 Å. There are a spread of Hf–P bond distances ranging from 2.66–2.69 Å. Ni is bonded in a 4-coordinate geometry to six equivalent Hf and four equivalent P atoms. There are a spread of Ni–P bond distances ranging from 2.30–2.42 Å. P is bonded in a 9-coordinate geometry to five equivalent Hf and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2MnCo by Materials Project

Hf2MnCo is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Mn and four equivalent Co atoms. All Hf–Mn bond lengths are 2.73 Å. All Hf–Co bond lengths are 2.73 Å. Mn is bonded in a distorted body-centered cubic geometry to eight equivalent Hf atoms. Co is bonded in a body-centered cubic geometry to eight equivalent Hf atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfCuGeAs by Materials Project

HfCuGeAs is Parent of FeAs superconductors structured and crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Hf is bonded in a 12-coordinate geometry to four equivalent Ge and four equivalent As atoms. All Hf–Ge bond lengths are 2.85 Å. All Hf–As bond lengths are 2.78 Å. Cu is bonded to four equivalent As atoms to form a mixture of distorted edge and corner-sharing CuAs4 cuboctahedra. All Cu–As bond lengths are 2.53 Å. Ge is bonded in a 8-coordinate geometry to four equivalent Hf and four equivalent Ge atoms. All Ge–Ge bond lengths are 2.64 Å. As is bonded in a 8-coordinate geometry to four equivalent Hf and four equivalent Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2NiOs by Materials Project

Hf2OsNi crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Hf2OsNi ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to one Os and one Ni atom. The Hf–Os bond length is 2.32 Å. The Hf–Ni bond length is 2.37 Å. Os is bonded in a linear geometry to two equivalent Hf atoms. Ni is bonded in a linear geometry to two equivalent Hf atoms.

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