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DOE OSTI2020

Materials Data on MnGaNi2 by Materials Project

Ni2MnGa is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mn is bonded in a body-centered cubic geometry to eight equivalent Ni and six equivalent Ga atoms. All Mn–Ni bond lengths are 2.51 Å. All Mn–Ga bond lengths are 2.89 Å. Ni is bonded in a body-centered cubic geometry to four equivalent Mn and four equivalent Ga atoms. All Ni–Ga bond lengths are 2.51 Å. Ga is bonded in a distorted body-centered cubic geometry to six equivalent Mn and eight equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MnGaNi2 by Materials Project

Ni2MnGa is alpha iridium vanadium-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent Mn sites. In the first Mn site, Mn is bonded in a 8-coordinate geometry to eight Ni and three equivalent Ga atoms. There are four shorter (2.48 Å) and four longer (2.51 Å) Mn–Ni bond lengths. There are one shorter (2.70 Å) and two longer (2.76 Å) Mn–Ga bond lengths. In the second Mn site, Mn is bonded in a distorted body-centered cubic geometry to eight Ni and three Ga atoms. There are a spread of Mn–Ni bond distances ranging from 2.48–2.51 Å. There are a spread of Mn–Ga bond distances ranging from 2.78–2.95 Å. In the third Mn site, Mn is bonded in a distorted body-centered cubic geometry to eight Ni and two equivalent Ga atoms. All Mn–Ni bond lengths are 2.49 Å. Both Mn–Ga bond lengths are 2.76 Å. There are three inequivalent Ni sites. In the first Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. There are two shorter (2.48 Å) and two longer (2.51 Å) Ni–Ga bond lengths. In the second Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.48–2.51 Å. In the third Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. All Ni–Ga bond lengths are 2.49 Å. There are three inequivalent Ga sites. In the first Ga site, Ga is bonded in a 8-coordinate geometry to five Mn and eight Ni atoms. In the second Ga site, Ga is bonded in a 8-coordinate geometry to eight Ni atoms. In the third Ga site, Ga is bonded to four Mn and eight Ni atoms to form a mixture of distorted corner and edge-sharing GaMn4Ni8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MnGaNi2 by Materials Project

Ni2MnGa is Heusler structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Mn is bonded to eight equivalent Ni and four equivalent Ga atoms to form MnGa4Ni8 cuboctahedra that share corners with four equivalent MnGa4Ni8 cuboctahedra, corners with eight equivalent GaMn4Ni8 cuboctahedra, edges with eight equivalent MnGa4Ni8 cuboctahedra, faces with four equivalent MnGa4Ni8 cuboctahedra, and faces with six equivalent GaMn4Ni8 cuboctahedra. All Mn–Ni bond lengths are 2.53 Å. All Mn–Ga bond lengths are 2.71 Å. Ni is bonded in a distorted body-centered cubic geometry to four equivalent Mn and four equivalent Ga atoms. All Ni–Ga bond lengths are 2.53 Å. Ga is bonded to four equivalent Mn and eight equivalent Ni atoms to form GaMn4Ni8 cuboctahedra that share corners with four equivalent GaMn4Ni8 cuboctahedra, corners with eight equivalent MnGa4Ni8 cuboctahedra, edges with eight equivalent GaMn4Ni8 cuboctahedra, faces with four equivalent GaMn4Ni8 cuboctahedra, and faces with six equivalent MnGa4Ni8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MnGaNi2 by Materials Project

Ni2MnGa is alpha iridium vanadium-derived structured and crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are seven inequivalent Mn sites. In the first Mn site, Mn is bonded in a 8-coordinate geometry to eight Ni and one Ga atom. There are a spread of Mn–Ni bond distances ranging from 2.49–2.53 Å. The Mn–Ga bond length is 2.82 Å. In the second Mn site, Mn is bonded in a 8-coordinate geometry to eight Ni and three Ga atoms. There are a spread of Mn–Ni bond distances ranging from 2.49–2.54 Å. There are one shorter (2.73 Å) and two longer (2.74 Å) Mn–Ga bond lengths. In the third Mn site, Mn is bonded in a 8-coordinate geometry to eight Ni and three Ga atoms. There are a spread of Mn–Ni bond distances ranging from 2.49–2.54 Å. There are one shorter (2.72 Å) and two longer (2.74 Å) Mn–Ga bond lengths. In the fourth Mn site, Mn is bonded in a 8-coordinate geometry to eight Ni and two equivalent Ga atoms. There are a spread of Mn–Ni bond distances ranging from 2.50–2.52 Å. Both Mn–Ga bond lengths are 2.74 Å. In the fifth Mn site, Mn is bonded in a 8-coordinate geometry to eight Ni and three Ga atoms. There are a spread of Mn–Ni bond distances ranging from 2.48–2.53 Å. There are a spread of Mn–Ga bond distances ranging from 2.71–2.75 Å. In the sixth Mn site, Mn is bonded in a 8-coordinate geometry to eight Ni and three Ga atoms. There are a spread of Mn–Ni bond distances ranging from 2.49–2.54 Å. There are a spread of Mn–Ga bond distances ranging from 2.71–2.74 Å. In the seventh Mn site, Mn is bonded in a 8-coordinate geometry to eight Ni and one Ga atom. There are a spread of Mn–Ni bond distances ranging from 2.49–2.53 Å. The Mn–Ga bond length is 2.82 Å. There are fourteen inequivalent Ni sites. In the first Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.49–2.53 Å. In the second Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.49–2.53 Å. In the third Ni site, Ni is bonded in a 8-coordinate geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.49–2.55 Å. In the fourth Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.49–2.53 Å. In the fifth Ni site, Ni is bonded in a 8-coordinate geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.49–2.55 Å. In the sixth Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.49–2.54 Å. In the seventh Ni site, Ni is bonded in a 8-coordinate geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.50–2.55 Å. In the eighth Ni site, Ni is bonded in a 8-coordinate geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.49–2.53 Å. In the ninth Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.50–2.53 Å. In the tenth Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.50–2.53 Å. In the eleventh Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.49–2.54 Å. In the twelfth Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. There are one shorter (2.51 Å) and three longer (2.52 Å) Ni–Ga bond lengths. In the thirteenth Ni site, Ni is bonded in a 8-coordinate geometry to four Mn and four Ga atoms. There are a spread of Ni–Ga bond distances ranging from 2.50–2.55 Å. In the fourteenth Ni site, Ni is bonded in a distorted body-centered cubic geometry to four Mn and four Ga atoms. There are two shorter (2.51 Å) and two longer (2.52 Å) Ni–Ga bond lengths. There are seven inequivalent Ga sites. In the first Ga site, Ga is bonded in a 8-coordinate geometry to eight Ni atoms. In the second Ga site, Ga is bonded in a 11-coordinate geometry to three Mn and eight Ni atoms. In the third Ga site, Ga is bonded to four Mn and eight Ni atoms to form a mixture of distorted edge and corner-sharing GaMn4Ni8 cuboctahedra. In the fourth Ga site, Ga is bonded in a 11-coordinate geometry to three Mn and eight Ni atoms. In the fifth Ga site, Ga is bonded in a 11-coordinate geometry to three Mn and eight Ni atoms. In the sixth Ga site, Ga is bonded in a 8-coordinate geometry to eight Ni atoms. In the seventh Ga site, Ga is bonded in a 11-coordinate geometry to three Mn and eight Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MnGa2Ni by Materials Project

MnNiGa2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mn is bonded in a distorted body-centered cubic geometry to six equivalent Ni and eight equivalent Ga atoms. All Mn–Ni bond lengths are 2.99 Å. All Mn–Ga bond lengths are 2.59 Å. Ni is bonded in a distorted body-centered cubic geometry to six equivalent Mn and eight equivalent Ga atoms. All Ni–Ga bond lengths are 2.59 Å. Ga is bonded in a body-centered cubic geometry to four equivalent Mn and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MnGaNi2 by Materials Project

Ni2MnGa crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Mn is bonded to eight equivalent Ni and four equivalent Ga atoms to form MnGa4Ni8 cuboctahedra that share corners with twelve equivalent MnGa4Ni8 cuboctahedra, edges with eight equivalent GaMn4Ni8 cuboctahedra, edges with sixteen equivalent NiMn4Ga4Ni4 cuboctahedra, faces with four equivalent GaMn4Ni8 cuboctahedra, faces with six equivalent MnGa4Ni8 cuboctahedra, and faces with eight equivalent NiMn4Ga4Ni4 cuboctahedra. All Mn–Ni bond lengths are 2.56 Å. All Mn–Ga bond lengths are 2.65 Å. Ni is bonded to four equivalent Mn, four equivalent Ni, and four equivalent Ga atoms to form distorted NiMn4Ga4Ni4 cuboctahedra that share corners with twelve equivalent NiMn4Ga4Ni4 cuboctahedra, edges with eight equivalent MnGa4Ni8 cuboctahedra, edges with eight equivalent NiMn4Ga4Ni4 cuboctahedra, edges with eight equivalent GaMn4Ni8 cuboctahedra, faces with four equivalent MnGa4Ni8 cuboctahedra, faces with four equivalent GaMn4Ni8 cuboctahedra, and faces with ten equivalent NiMn4Ga4Ni4 cuboctahedra. All Ni–Ni bond lengths are 2.65 Å. All Ni–Ga bond lengths are 2.56 Å. Ga is bonded to four equivalent Mn and eight equivalent Ni atoms to form GaMn4Ni8 cuboctahedra that share corners with twelve equivalent GaMn4Ni8 cuboctahedra, edges with eight equivalent MnGa4Ni8 cuboctahedra, edges with sixteen equivalent NiMn4Ga4Ni4 cuboctahedra, faces with four equivalent MnGa4Ni8 cuboctahedra, faces with six equivalent GaMn4Ni8 cuboctahedra, and faces with eight equivalent NiMn4Ga4Ni4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mn3Ga4Ni9 by Materials Project

Mn3Ni9Ga4 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. there are two inequivalent Mn sites. In the first Mn site, Mn is bonded to eight Ni and four Ga atoms to form MnGa4Ni8 cuboctahedra that share corners with four equivalent MnGa4Ni8 cuboctahedra, corners with eight equivalent GaMn2Ni10 cuboctahedra, edges with four equivalent MnGa4Ni8 cuboctahedra, edges with twenty NiMn3Ga4Ni5 cuboctahedra, faces with four equivalent MnGa4Ni8 cuboctahedra, faces with six GaMn4Ni8 cuboctahedra, and faces with eight NiMn3Ga4Ni5 cuboctahedra. All Mn–Ni bond lengths are 2.53 Å. All Mn–Ga bond lengths are 2.65 Å. In the second Mn site, Mn is bonded to eight Ni and four equivalent Ga atoms to form MnGa4Ni8 cuboctahedra that share corners with four equivalent MnGa4Ni8 cuboctahedra, corners with eight equivalent GaMn4Ni8 cuboctahedra, edges with eight equivalent MnGa4Ni8 cuboctahedra, edges with sixteen NiMn3Ga4Ni5 cuboctahedra, faces with six GaMn4Ni8 cuboctahedra, and faces with twelve NiMn3Ga4Ni5 cuboctahedra. All Mn–Ni bond lengths are 2.51 Å. All Mn–Ga bond lengths are 2.65 Å. There are three inequivalent Ni sites. In the first Ni site, Ni is bonded to three Mn, five Ni, and four Ga atoms to form distorted NiMn3Ga4Ni5 cuboctahedra that share corners with twelve equivalent NiMn3Ga4Ni5 cuboctahedra, edges with six MnGa4Ni8 cuboctahedra, edges with eight GaMn4Ni8 cuboctahedra, edges with ten NiMn3Ga4Ni5 cuboctahedra, faces with three MnGa4Ni8 cuboctahedra, faces with four GaMn4Ni8 cuboctahedra, and faces with eleven NiMn3Ga4Ni5 cuboctahedra. There are a spread of Ni–Ni bond distances ranging from 2.53–2.67 Å. There are a spread of Ni–Ga bond distances ranging from 2.51–2.54 Å. In the second Ni site, Ni is bonded to three Mn, five Ni, and four Ga atoms to form distorted NiMn3Ga4Ni5 cuboctahedra that share corners with twelve equivalent NiMn3Ga4Ni5 cuboctahedra, edges with six MnGa4Ni8 cuboctahedra, edges with eight GaMn4Ni8 cuboctahedra, edges with ten NiMn3Ga4Ni5 cuboctahedra, faces with three MnGa4Ni8 cuboctahedra, faces with four GaMn4Ni8 cuboctahedra, and faces with eleven NiMn3Ga4Ni5 cuboctahedra. The Ni–Ni bond length is 2.53 Å. There are a spread of Ni–Ga bond distances ranging from 2.51–2.54 Å. In the third Ni site, Ni is bonded to eight Ni and four equivalent Ga atoms to form NiGa4Ni8 cuboctahedra that share corners with four equivalent NiGa4Ni8 cuboctahedra, corners with eight equivalent GaMn4Ni8 cuboctahedra, edges with eight equivalent MnGa4Ni8 cuboctahedra, edges with sixteen NiMn3Ga4Ni5 cuboctahedra, faces with four equivalent MnGa4Ni8 cuboctahedra, faces with six GaMn2Ni10 cuboctahedra, and faces with eight NiMn3Ga4Ni5 cuboctahedra. All Ni–Ga bond lengths are 2.65 Å. There are three inequivalent Ga sites. In the first Ga site, Ga is bonded to four equivalent Mn and eight Ni atoms to form GaMn4Ni8 cuboctahedra that share corners with four equivalent GaMn4Ni8 cuboctahedra, corners with eight equivalent NiGa4Ni8 cuboctahedra, edges with eight equivalent GaMn2Ni10 cuboctahedra, edges with sixteen NiMn3Ga4Ni5 cuboctahedra, faces with four equivalent GaMn4Ni8 cuboctahedra, faces with six MnGa4Ni8 cuboctahedra, and faces with eight NiMn3Ga4Ni5 cuboctahedra. In the second Ga site, Ga is bonded to two equivalent Mn and ten Ni atoms to form GaMn2Ni10 cuboctahedra that share corners with four equivalent GaMn2Ni10 cuboctahedra, corners with eight equivalent MnGa4Ni8 cuboctahedra, edges with eight GaMn4Ni8 cuboctahedra, edges with sixteen NiMn3Ga4Ni5 cuboctahedra, faces with four MnGa4Ni8 cuboctahedra, faces with four equivalent GaMn2Ni10 cuboctahedra, and faces with ten NiMn3Ga4Ni5 cuboctahedra. In the third Ga site, Ga is bonded to four equivalent Mn and eight Ni atoms to form GaMn4Ni8 cuboctahedra that share corners with four equivalent GaMn4Ni8 cuboctahedra, corners with eight equivalent MnGa4Ni8 cuboctahedra, edges with eight equivalent GaMn2Ni10 cuboctahedra, edges with sixteen NiMn3Ga4Ni5 cuboctahedra, faces with four equivalent MnGa4Ni8 cuboctahedra, faces with four equivalent GaMn4Ni8 cuboctahedra, and faces with ten NiMn3Ga4Ni5 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mn3Ga4Ni9 by Materials Project

Mn3Ni9Ga4 is Tungsten-derived structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Mn is bonded in a distorted body-centered cubic geometry to eight equivalent Ni and two equivalent Ga atoms. All Mn–Ni bond lengths are 2.50 Å. Both Mn–Ga bond lengths are 2.88 Å. There are two inequivalent Ni sites. In the first Ni site, Ni is bonded in a 8-coordinate geometry to three equivalent Mn, one Ni, and four Ga atoms. The Ni–Ni bond length is 2.48 Å. There are three shorter (2.49 Å) and one longer (2.51 Å) Ni–Ga bond lengths. In the second Ni site, Ni is bonded in a distorted body-centered cubic geometry to eight equivalent Ni and six equivalent Ga atoms. All Ni–Ga bond lengths are 2.88 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a distorted body-centered cubic geometry to six equivalent Mn and eight equivalent Ni atoms. In the second Ga site, Ga is bonded in a distorted body-centered cubic geometry to ten Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MnGa2Ni9 by Materials Project

MnNi9Ga2 is beta Cu3Ti-derived structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Mn is bonded to twelve Ni atoms to form MnNi12 cuboctahedra that share corners with four equivalent MnNi12 cuboctahedra, corners with eight equivalent GaNi12 cuboctahedra, edges with twenty-four NiGa4Ni8 cuboctahedra, faces with two equivalent GaNi12 cuboctahedra, faces with four equivalent MnNi12 cuboctahedra, and faces with twelve NiMn4Ni8 cuboctahedra. There are eight shorter (2.49 Å) and four longer (2.53 Å) Mn–Ni bond lengths. There are four inequivalent Ni sites. In the first Ni site, Ni is bonded to four equivalent Mn and eight equivalent Ni atoms to form NiMn4Ni8 cuboctahedra that share corners with twelve NiMn4Ni8 cuboctahedra, edges with eight equivalent GaNi12 cuboctahedra, edges with sixteen equivalent NiMn2Ga2Ni8 cuboctahedra, faces with four equivalent MnNi12 cuboctahedra, and faces with fourteen NiMn4Ni8 cuboctahedra. All Ni–Ni bond lengths are 2.49 Å. In the second Ni site, Ni is bonded to eight Ni and four equivalent Ga atoms to form NiGa4Ni8 cuboctahedra that share corners with twelve NiMn4Ni8 cuboctahedra, edges with four equivalent MnNi12 cuboctahedra, edges with four equivalent GaNi12 cuboctahedra, edges with sixteen NiMn2Ga2Ni8 cuboctahedra, faces with four equivalent GaNi12 cuboctahedra, and faces with fourteen NiMn4Ni8 cuboctahedra. All Ni–Ni bond lengths are 2.54 Å. All Ni–Ga bond lengths are 2.53 Å. In the third Ni site, Ni is bonded to two equivalent Mn, eight Ni, and two equivalent Ga atoms to form distorted NiMn2Ga2Ni8 cuboctahedra that share corners with twelve NiMn2Ga2Ni8 cuboctahedra, edges with four equivalent MnNi12 cuboctahedra, edges with four equivalent GaNi12 cuboctahedra, edges with sixteen NiMn4Ni8 cuboctahedra, faces with two equivalent MnNi12 cuboctahedra, faces with two equivalent GaNi12 cuboctahedra, and faces with fourteen NiMn4Ni8 cuboctahedra. All Ni–Ni bond lengths are 2.53 Å. Both Ni–Ga bond lengths are 2.56 Å. In the fourth Ni site, Ni is bonded to eight Ni and four equivalent Ga atoms to form NiGa4Ni8 cuboctahedra that share corners with twelve NiMn2Ga2Ni8 cuboctahedra, edges with eight equivalent GaNi12 cuboctahedra, edges with sixteen NiGa4Ni8 cuboctahedra, faces with four equivalent GaNi12 cuboctahedra, and faces with fourteen NiGa4Ni8 cuboctahedra. All Ni–Ni bond lengths are 2.53 Å. All Ni–Ga bond lengths are 2.52 Å. Ga is bonded to twelve Ni atoms to form GaNi12 cuboctahedra that share corners with four equivalent MnNi12 cuboctahedra, corners with eight equivalent GaNi12 cuboctahedra, edges with twenty-four NiMn4Ni8 cuboctahedra, a faceface with one MnNi12 cuboctahedra, faces with five equivalent GaNi12 cuboctahedra, and faces with twelve NiGa4Ni8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mn2GaNi by Materials Project

Mn2NiGa is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mn is bonded in a body-centered cubic geometry to four equivalent Ni and four equivalent Ga atoms. All Mn–Ni bond lengths are 2.58 Å. All Mn–Ga bond lengths are 2.58 Å. Ni is bonded in a body-centered cubic geometry to eight equivalent Mn atoms. Ga is bonded in a body-centered cubic geometry to eight equivalent Mn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mn2GaNi by Materials Project

Mn2NiGa crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. there are two inequivalent Mn sites. In the first Mn site, Mn is bonded to four equivalent Mn, four equivalent Ni, and four equivalent Ga atoms to form distorted MnMn4Ga4Ni4 cuboctahedra that share corners with four equivalent MnMn4Ga4Ni4 cuboctahedra, corners with eight equivalent GaMn8Ni4 cuboctahedra, edges with eight equivalent NiMn8Ga4 cuboctahedra, edges with sixteen MnMn4Ga4Ni4 cuboctahedra, faces with four equivalent NiMn8Ga4 cuboctahedra, faces with six equivalent GaMn8Ni4 cuboctahedra, and faces with eight MnMn4Ga4Ni4 cuboctahedra. All Mn–Mn bond lengths are 2.57 Å. All Mn–Ni bond lengths are 2.57 Å. All Mn–Ga bond lengths are 2.69 Å. In the second Mn site, Mn is bonded to four equivalent Mn, four equivalent Ni, and four equivalent Ga atoms to form MnMn4Ga4Ni4 cuboctahedra that share corners with four equivalent MnMn4Ga4Ni4 cuboctahedra, corners with eight equivalent NiMn8Ga4 cuboctahedra, edges with eight equivalent GaMn8Ni4 cuboctahedra, edges with sixteen MnMn4Ga4Ni4 cuboctahedra, faces with four equivalent GaMn8Ni4 cuboctahedra, faces with six equivalent NiMn8Ga4 cuboctahedra, and faces with eight MnMn4Ga4Ni4 cuboctahedra. All Mn–Ni bond lengths are 2.69 Å. All Mn–Ga bond lengths are 2.57 Å. Ni is bonded to eight Mn and four equivalent Ga atoms to form NiMn8Ga4 cuboctahedra that share corners with four equivalent NiMn8Ga4 cuboctahedra, corners with eight equivalent MnMn4Ga4Ni4 cuboctahedra, edges with eight equivalent MnMn4Ga4Ni4 cuboctahedra, edges with eight equivalent NiMn8Ga4 cuboctahedra, edges with eight equivalent GaMn8Ni4 cuboctahedra, faces with four equivalent NiMn8Ga4 cuboctahedra, faces with four equivalent GaMn8Ni4 cuboctahedra, and faces with ten MnMn4Ga4Ni4 cuboctahedra. All Ni–Ga bond lengths are 2.57 Å. Ga is bonded to eight Mn and four equivalent Ni atoms to form GaMn8Ni4 cuboctahedra that share corners with four equivalent GaMn8Ni4 cuboctahedra, corners with eight equivalent MnMn4Ga4Ni4 cuboctahedra, edges with eight equivalent MnMn4Ga4Ni4 cuboctahedra, edges with eight equivalent NiMn8Ga4 cuboctahedra, edges with eight equivalent GaMn8Ni4 cuboctahedra, faces with four equivalent NiMn8Ga4 cuboctahedra, faces with four equivalent GaMn8Ni4 cuboctahedra, and faces with ten MnMn4Ga4Ni4 cuboctahedra.

36 MATERIALS SCIENCE↗