cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.17188/1710396
title: Materials Data on MnFe5O8 by Materials Project

description: MnFe5O8 is Spinel-like structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Mn2+ is bonded to six equivalent O2- atoms to form MnO6 octahedra that share corners with six equivalent FeO4 tetrahedra and edges with six equivalent FeO6 octahedra. All Mn–O bond lengths are 2.18 Å. There are two inequivalent Fe+2.80+ sites. In the first Fe+2.80+ site, Fe+2.80+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with three equivalent MnO6 octahedra and corners with nine equivalent FeO6 octahedra. The corner-sharing octahedra tilt angles range from 55–60°. There is three shorter (1.93 Å) and one longer (1.98 Å) Fe–O bond length. In the second Fe+2.80+ site, Fe+2.80+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six equivalent FeO4 tetrahedra, edges with two equivalent MnO6 octahedra, and edges with four equivalent FeO6 octahedra. There are four shorter (2.08 Å) and two longer (2.11 Å) Fe–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to four Fe+2.80+ atoms. In the second O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Mn2+ and three Fe+2.80+ atoms.
DOI: 10.17188/1710397
title: Materials Data on TaMnSi by Materials Project

description: TaMnSi crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ta is bonded in a 5-coordinate geometry to five Si atoms. There are four shorter (2.60 Å) and one longer (2.63 Å) Ta–Si bond lengths. Mn is bonded in a 4-coordinate geometry to four Si atoms. There are two shorter (2.35 Å) and two longer (2.46 Å) Mn–Si bond lengths. There are two inequivalent Si sites. In the first Si site, Si is bonded in a 9-coordinate geometry to three equivalent Ta and six equivalent Mn atoms. In the second Si site, Si is bonded in a 9-coordinate geometry to six equivalent Ta and three equivalent Mn atoms.
DOI: 10.17188/1710398
title: Materials Data on YbSmAg2 by Materials Project

description: YbSmAg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Yb is bonded in a body-centered cubic geometry to eight equivalent Ag atoms. All Yb–Ag bond lengths are 3.18 Å. Sm is bonded in a body-centered cubic geometry to eight equivalent Ag atoms. All Sm–Ag bond lengths are 3.18 Å. Ag is bonded in a body-centered cubic geometry to four equivalent Yb and four equivalent Sm atoms.
DOI: 10.17188/1710399
title: Materials Data on Co2S3 by Materials Project

description: Co2S3 is Corundum structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Co3+ is bonded to six equivalent S2- atoms to form a mixture of corner, edge, and face-sharing CoS6 octahedra. The corner-sharing octahedra tilt angles range from 48–60°. There are three shorter (2.23 Å) and three longer (2.29 Å) Co–S bond lengths. S2- is bonded to four equivalent Co3+ atoms to form a mixture of distorted corner and edge-sharing SCo4 trigonal pyramids.
DOI: 10.17188/1710402
title: Materials Data on Mn3Ni8N9 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1710403
title: Materials Data on NbAlCo by Materials Project

description: NbCoAl crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are five inequivalent Nb sites. In the first Nb site, Nb is bonded in a 5-coordinate geometry to four Nb, five Co, and seven Al atoms. There are a spread of Nb–Nb bond distances ranging from 2.96–3.27 Å. There are a spread of Nb–Co bond distances ranging from 2.72–3.00 Å. There are a spread of Nb–Al bond distances ranging from 2.88–2.99 Å. In the second Nb site, Nb is bonded in a 7-coordinate geometry to four Nb, seven Co, and five Al atoms. There are one shorter (2.79 Å) and two longer (3.05 Å) Nb–Nb bond lengths. There are a spread of Nb–Co bond distances ranging from 2.80–2.98 Å. There are a spread of Nb–Al bond distances ranging from 2.82–2.95 Å. In the third Nb site, Nb is bonded in a 7-coordinate geometry to four Nb, seven Co, and five Al atoms. There are one shorter (2.96 Å) and two longer (3.05 Å) Nb–Nb bond lengths. There are a spread of Nb–Co bond distances ranging from 2.80–2.98 Å. There are a spread of Nb–Al bond distances ranging from 2.82–2.95 Å. In the fourth Nb site, Nb is bonded in a 5-coordinate geometry to four Nb, five Co, and seven Al atoms. Both Nb–Nb bond lengths are 3.05 Å. There are a spread of Nb–Co bond distances ranging from 2.72–3.00 Å. There are a spread of Nb–Al bond distances ranging from 2.88–2.99 Å. In the fifth Nb site, Nb is bonded in a 5-coordinate geometry to four Nb, five Co, and seven Al atoms. The Nb–Nb bond length is 3.27 Å. There are a spread of Nb–Co bond distances ranging from 2.72–3.00 Å. There are a spread of Nb–Al bond distances ranging from 2.88–2.99 Å. There are three inequivalent Co sites. In the first Co site, Co is bonded to six Nb and six Al atoms to form distorted CoNb6Al6 cuboctahedra that share corners with fourteen CoNb6Al6 cuboctahedra, edges with six CoNb6Al6 cuboctahedra, and faces with four equivalent CoNb6Al2Co4 cuboctahedra. There are a spread of Co–Al bond distances ranging from 2.41–2.51 Å. In the second Co site, Co is bonded to six Nb, four Co, and two equivalent Al atoms to form distorted CoNb6Al2Co4 cuboctahedra that share corners with eight CoNb6Al6 cuboctahedra, edges with two equivalent CoNb6Al2Co4 cuboctahedra, and faces with ten CoNb6Al6 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.39–2.62 Å. Both Co–Al bond lengths are 2.40 Å. In the third Co site, Co is bonded to six Nb, four equivalent Co, and two equivalent Al atoms to form distorted CoNb6Al2Co4 cuboctahedra that share corners with six CoNb6Al6 cuboctahedra, edges with six CoNb6Al6 cuboctahedra, and faces with eight equivalent CoNb6Al2Co4 cuboctahedra. Both Co–Al bond lengths are 2.43 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded in a 12-coordinate geometry to six Nb, four Co, and two equivalent Al atoms. Both Al–Al bond lengths are 2.59 Å. In the second Al site, Al is bonded in a 12-coordinate geometry to six Nb, two equivalent Co, and four Al atoms. There are one shorter (2.45 Å) and one longer (2.58 Å) Al–Al bond lengths.
DOI: 10.17188/1710404
title: Materials Data on ScSiRu by Materials Project

description: ScRuSi crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Sc2+ is bonded to five equivalent Si4- atoms to form distorted ScSi5 trigonal bipyramids that share corners with eight equivalent RuSi4 tetrahedra, corners with eight equivalent ScSi5 trigonal bipyramids, edges with six equivalent RuSi4 tetrahedra, and edges with six equivalent ScSi5 trigonal bipyramids. There are a spread of Sc–Si bond distances ranging from 2.87–2.89 Å. Ru2+ is bonded to four equivalent Si4- atoms to form RuSi4 tetrahedra that share corners with eight equivalent RuSi4 tetrahedra, corners with eight equivalent ScSi5 trigonal bipyramids, edges with two equivalent RuSi4 tetrahedra, and edges with six equivalent ScSi5 trigonal bipyramids. There are a spread of Ru–Si bond distances ranging from 2.43–2.48 Å. Si4- is bonded in a 9-coordinate geometry to five equivalent Sc2+ and four equivalent Ru2+ atoms.
DOI: 10.17188/1710405
title: Materials Data on Li2TiV3O8 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1710406
title: Materials Data on CrF3 by Materials Project

description: CrF3 is Bismuth triodide-like structured and crystallizes in the monoclinic C2/c space group. The structure is one-dimensional and consists of two CrF3 ribbons oriented in the (0, 0, 1) direction. Cr3+ is bonded to six F1- atoms to form distorted face-sharing CrF6 octahedra. There is four shorter (1.97 Å) and two longer (1.98 Å) Cr–F bond length. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in an L-shaped geometry to two equivalent Cr3+ atoms. In the second F1- site, F1- is bonded in an L-shaped geometry to two equivalent Cr3+ atoms.
DOI: 10.17188/1710407
title: Materials Data on NaSbBrOF3 by Materials Project

description: NaSbOBrF3 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of one NaSbOBrF3 sheet oriented in the (0, 0, 1) direction. Na1+ is bonded in a 6-coordinate geometry to two equivalent O2- and five F1- atoms. There are one shorter (2.44 Å) and one longer (3.03 Å) Na–O bond lengths. There are a spread of Na–F bond distances ranging from 2.40–2.55 Å. Sb5+ is bonded in a 3-coordinate geometry to three F1- atoms. There are a spread of Sb–F bond distances ranging from 1.96–2.01 Å. O2- is bonded in a 1-coordinate geometry to two equivalent Na1+ and one Br1- atom. The O–Br bond length is 2.41 Å. Br1- is bonded in a 1-coordinate geometry to one O2- atom. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a 3-coordinate geometry to two equivalent Na1+ and one Sb5+ atom. In the second F1- site, F1- is bonded in a distorted water-like geometry to one Na1+ and one Sb5+ atom. In the third F1- site, F1- is bonded in a distorted trigonal planar geometry to two equivalent Na1+ and one Sb5+ atom.
DOI: 10.17188/1710408
title: Materials Data on Nb6Ni6O by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1710409
title: Materials Data on Y2InCu by Materials Project

description: Y2CuIn crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Y2CuIn ribbons oriented in the (1, 0, 0) direction. Y is bonded in a linear geometry to one Cu and one In atom. The Y–Cu bond length is 2.81 Å. The Y–In bond length is 3.03 Å. Cu is bonded in a linear geometry to two equivalent Y atoms. In is bonded in a linear geometry to two equivalent Y atoms.
DOI: 10.17188/1710410
title: Materials Data on Cs2RbSmCl6 by Materials Project

description: Cs2RbSmCl6 is (Cubic) Perovskite-derived structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Cs1+ is bonded to twelve equivalent Cl1- atoms to form CsCl12 cuboctahedra that share corners with twelve equivalent CsCl12 cuboctahedra, faces with six equivalent CsCl12 cuboctahedra, faces with four equivalent RbCl6 octahedra, and faces with four equivalent SmCl6 octahedra. All Cs–Cl bond lengths are 4.14 Å. Rb1+ is bonded to six equivalent Cl1- atoms to form RbCl6 octahedra that share corners with six equivalent SmCl6 octahedra and faces with eight equivalent CsCl12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Rb–Cl bond lengths are 3.15 Å. Sm3+ is bonded to six equivalent Cl1- atoms to form SmCl6 octahedra that share corners with six equivalent RbCl6 octahedra and faces with eight equivalent CsCl12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Sm–Cl bond lengths are 2.70 Å. Cl1- is bonded in a distorted linear geometry to four equivalent Cs1+, one Rb1+, and one Sm3+ atom.
DOI: 10.17188/1710411
title: Materials Data on Li2Mn3(PO4)3 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1710415
title: Materials Data on TbSeI by Materials Project

description: ITbSe crystallizes in the orthorhombic Pmmm space group. The structure is zero-dimensional and consists of two selenium molecules and two ITb clusters. In each ITb cluster, Tb3+ is bonded in a single-bond geometry to one I1- atom. The Tb–I bond length is 2.76 Å. I1- is bonded in a single-bond geometry to one Tb3+ atom.
DOI: 10.5281/zenodo.4485688
title: The "Castelluccio-Amatrice" low-angle normal fault seismic dataset

description: Seismology data (from INGV database) for idetification the geometry of “Castelluccio-Amatrice” low-angle normal fault. The seismic data are the same of central Italy sesmic sequence in 2014-2017 period.
description: Balocchi P., Riga G. (2018); The 2016 central Italy seismic sequence and the "Castelluccio-Amatrice" low-angle normal fault. Atti Soc. Nat. Mat. di Modena, 149, pp. 123-134.
DOI: 10.17188/1710416
title: Materials Data on Li3Mn(CoO2)4 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1710417
title: Materials Data on Li2V3(P2O7)2 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1710418
title: Materials Data on PbI6 by Materials Project

description: PbI6 crystallizes in the orthorhombic Cmmm space group. The structure is zero-dimensional and consists of two 13779-98-1 molecules and four hydriodic acid molecules.
DOI: 10.17188/1710419
title: Materials Data on MgNp3 by Materials Project

description: MgNp3 is alpha La-derived structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Mg is bonded to twelve Np atoms to form MgNp12 cuboctahedra that share corners with four equivalent MgNp12 cuboctahedra, corners with eight equivalent NpMg4Np8 cuboctahedra, edges with eight equivalent MgNp12 cuboctahedra, edges with sixteen equivalent NpMg4Np8 cuboctahedra, faces with four equivalent MgNp12 cuboctahedra, and faces with fourteen NpMg4Np8 cuboctahedra. There are eight shorter (3.06 Å) and four longer (3.10 Å) Mg–Np bond lengths. There are two inequivalent Np sites. In the first Np site, Np is bonded to four equivalent Mg and eight equivalent Np atoms to form NpMg4Np8 cuboctahedra that share corners with four equivalent NpMg4Np8 cuboctahedra, corners with eight equivalent MgNp12 cuboctahedra, edges with twenty-four NpMg4Np8 cuboctahedra, faces with six equivalent MgNp12 cuboctahedra, and faces with twelve NpMg4Np8 cuboctahedra. All Np–Np bond lengths are 3.06 Å. In the second Np site, Np is bonded to four equivalent Mg and eight Np atoms to form NpMg4Np8 cuboctahedra that share corners with twelve equivalent NpMg4Np8 cuboctahedra, edges with eight equivalent MgNp12 cuboctahedra, edges with sixteen NpMg4Np8 cuboctahedra, faces with four equivalent MgNp12 cuboctahedra, and faces with fourteen NpMg4Np8 cuboctahedra. All Np–Np bond lengths are 3.10 Å.
DOI: 10.17188/1710420
title: Materials Data on PrSm3S4 by Materials Project

description: Sm3PrS4 is Caswellsilverite-like structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent Sm sites. In the first Sm site, Sm is bonded to six S atoms to form SmS6 octahedra that share corners with three equivalent SmS6 octahedra, corners with three equivalent PrS6 octahedra, edges with three equivalent PrS6 octahedra, and edges with nine SmS6 octahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are three shorter (2.83 Å) and three longer (2.85 Å) Sm–S bond lengths. In the second Sm site, Sm is bonded to six equivalent S atoms to form a mixture of edge and corner-sharing SmS6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Sm–S bond lengths are 2.85 Å. Pr is bonded to six equivalent S atoms to form PrS6 octahedra that share corners with six equivalent SmS6 octahedra, edges with six equivalent SmS6 octahedra, and edges with six equivalent PrS6 octahedra. The corner-sharing octahedral tilt angles are 2°. All Pr–S bond lengths are 2.90 Å. There are two inequivalent S sites. In the first S site, S is bonded to three equivalent Sm and three equivalent Pr atoms to form a mixture of edge and corner-sharing SPr3Sm3 octahedra. The corner-sharing octahedra tilt angles range from 0–1°. In the second S site, S is bonded to six Sm atoms to form a mixture of edge and corner-sharing SSm6 octahedra. The corner-sharing octahedra tilt angles range from 0–1°.
DOI: 10.17188/1710421
title: Materials Data on Pu2SnHg by Materials Project

description: Pu2HgSn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Pu is bonded in a body-centered cubic geometry to four equivalent Hg and four equivalent Sn atoms. All Pu–Hg bond lengths are 3.28 Å. All Pu–Sn bond lengths are 3.28 Å. Hg is bonded in a body-centered cubic geometry to eight equivalent Pu atoms. Sn is bonded in a body-centered cubic geometry to eight equivalent Pu atoms.
DOI: 10.17188/1710422
title: Materials Data on Ba2YTlCo2O7 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1710424
title: Materials Data on K2LiSmCl6 by Materials Project

description: K2LiSmCl6 is (Cubic) Perovskite-derived structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. K1+ is bonded to twelve equivalent Cl1- atoms to form KCl12 cuboctahedra that share corners with twelve equivalent KCl12 cuboctahedra, faces with six equivalent KCl12 cuboctahedra, faces with four equivalent LiCl6 octahedra, and faces with four equivalent SmCl6 octahedra. All K–Cl bond lengths are 3.72 Å. Li1+ is bonded to six equivalent Cl1- atoms to form LiCl6 octahedra that share corners with six equivalent SmCl6 octahedra and faces with eight equivalent KCl12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Li–Cl bond lengths are 2.57 Å. Sm3+ is bonded to six equivalent Cl1- atoms to form SmCl6 octahedra that share corners with six equivalent LiCl6 octahedra and faces with eight equivalent KCl12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Sm–Cl bond lengths are 2.68 Å. Cl1- is bonded in a distorted linear geometry to four equivalent K1+, one Li1+, and one Sm3+ atom.
DOI: 10.17188/1710425
title: Materials Data on CeB2Ru2Rh by Materials Project

description: CeRu2RhB2 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Ce is bonded in a 12-coordinate geometry to two equivalent Ce, eight equivalent Ru, four equivalent Rh, and six equivalent B atoms. Both Ce–Ce bond lengths are 3.00 Å. All Ce–Ru bond lengths are 3.14 Å. All Ce–Rh bond lengths are 3.19 Å. There are two shorter (3.12 Å) and four longer (3.25 Å) Ce–B bond lengths. Ru is bonded in a distorted square co-planar geometry to four equivalent Ce and four equivalent B atoms. All Ru–B bond lengths are 2.19 Å. Rh is bonded in a distorted square co-planar geometry to four equivalent Ce and four equivalent B atoms. All Rh–B bond lengths are 2.22 Å. B is bonded in a 6-coordinate geometry to three equivalent Ce, four equivalent Ru, and two equivalent Rh atoms.
DOI: 10.17188/1710427
title: Materials Data on Sc3IrC4 by Materials Project

description: Sc3IrC4 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Sc3+ sites. In the first Sc3+ site, Sc3+ is bonded to eight equivalent C+3.50- atoms to form ScC8 hexagonal bipyramids that share corners with eight equivalent CSc5IrC pentagonal bipyramids and faces with two equivalent ScC8 hexagonal bipyramids. All Sc–C bond lengths are 2.44 Å. In the second Sc3+ site, Sc3+ is bonded in a 6-coordinate geometry to six equivalent C+3.50- atoms. There are two shorter (2.34 Å) and four longer (2.42 Å) Sc–C bond lengths. Ir5+ is bonded in a square co-planar geometry to four equivalent C+3.50- atoms. All Ir–C bond lengths are 2.16 Å. C+3.50- is bonded to five Sc3+, one Ir5+, and one C+3.50- atom to form distorted CSc5IrC pentagonal bipyramids that share corners with two equivalent ScC8 hexagonal bipyramids, corners with thirteen equivalent CSc5IrC pentagonal bipyramids, edges with five equivalent CSc5IrC pentagonal bipyramids, and faces with three equivalent CSc5IrC pentagonal bipyramids. The C–C bond length is 1.45 Å.
DOI: 10.17188/1710428
title: Materials Data on AlGaCo2 by Materials Project

description: Co2GaAl crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Co2GaAl ribbons oriented in the (1, 0, 0) direction. Co is bonded in a linear geometry to one Ga and one Al atom. The Co–Ga bond length is 2.35 Å. The Co–Al bond length is 2.35 Å. Ga is bonded in a linear geometry to two equivalent Co atoms. Al is bonded in a linear geometry to two equivalent Co atoms.
DOI: 10.17188/1710429
title: Materials Data on SiSe2 by Materials Project

description: SiSe2 is Silicon Disuphide-like structured and crystallizes in the orthorhombic Ibam space group. The structure is one-dimensional and consists of two SiSe2 ribbons oriented in the (1, 0, 0) direction. Si4+ is bonded to four equivalent Se2- atoms to form edge-sharing SiSe4 tetrahedra. All Si–Se bond lengths are 2.30 Å. Se2- is bonded in a distorted L-shaped geometry to two equivalent Si4+ atoms.
DOI: 10.17188/1710430
title: Materials Data on Pm3Sm by Materials Project

description: SmPm3 is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Sm is bonded to twelve equivalent Pm atoms to form SmPm12 cuboctahedra that share corners with six equivalent SmPm12 cuboctahedra, corners with twelve equivalent PmPm8Sm4 cuboctahedra, edges with eighteen equivalent PmPm8Sm4 cuboctahedra, faces with eight equivalent SmPm12 cuboctahedra, and faces with twelve equivalent PmPm8Sm4 cuboctahedra. All Sm–Pm bond lengths are 3.66 Å. Pm is bonded to four equivalent Sm and eight equivalent Pm atoms to form PmPm8Sm4 cuboctahedra that share corners with four equivalent SmPm12 cuboctahedra, corners with fourteen equivalent PmPm8Sm4 cuboctahedra, edges with six equivalent SmPm12 cuboctahedra, edges with twelve equivalent PmPm8Sm4 cuboctahedra, faces with four equivalent SmPm12 cuboctahedra, and faces with sixteen equivalent PmPm8Sm4 cuboctahedra. All Pm–Pm bond lengths are 3.66 Å.