cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.17188/1187435
title: Materials Data on MnAlRh2 by Materials Project

description: Rh2MnAl 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 Rh atoms. All Mn–Rh bond lengths are 2.62 Å. Rh is bonded in a body-centered cubic geometry to four equivalent Mn and four equivalent Al atoms. All Rh–Al bond lengths are 2.62 Å. Al is bonded in a body-centered cubic geometry to eight equivalent Rh atoms.
DOI: 10.17188/1187436
title: Materials Data on Mn2AlV by Materials Project

description: Mn2VAl is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. V is bonded in a body-centered cubic geometry to eight equivalent Mn atoms. All V–Mn bond lengths are 2.52 Å. Mn is bonded in a body-centered cubic geometry to four equivalent V and four equivalent Al atoms. All Mn–Al bond lengths are 2.52 Å. Al is bonded in a body-centered cubic geometry to eight equivalent Mn atoms.
DOI: 10.17188/1187437
title: Materials Data on Y(MnAl2)4 by Materials Project

description: YMn4Al8 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Y is bonded to eight equivalent Mn and twelve Al atoms to form distorted YMn8Al12 cuboctahedra that share corners with eight equivalent YMn8Al12 cuboctahedra, faces with two equivalent YMn8Al12 cuboctahedra, and faces with sixteen equivalent MnY2Mn2Al8 cuboctahedra. All Y–Mn bond lengths are 3.34 Å. There are four shorter (3.00 Å) and eight longer (3.13 Å) Y–Al bond lengths. Mn is bonded to two equivalent Y, two equivalent Mn, and eight Al atoms to form distorted MnY2Mn2Al8 cuboctahedra that share corners with ten equivalent MnY2Mn2Al8 cuboctahedra, edges with four equivalent MnY2Mn2Al8 cuboctahedra, faces with four equivalent YMn8Al12 cuboctahedra, and faces with six equivalent MnY2Mn2Al8 cuboctahedra. Both Mn–Mn bond lengths are 2.47 Å. There are four shorter (2.54 Å) and four longer (2.65 Å) Mn–Al bond lengths. There are two inequivalent Al sites. In the first Al site, Al is bonded in a 10-coordinate geometry to one Y, four equivalent Mn, and five Al atoms. There are a spread of Al–Al bond distances ranging from 2.70–2.84 Å. In the second Al site, Al is bonded in a 12-coordinate geometry to two equivalent Y, four equivalent Mn, and six Al atoms. Both Al–Al bond lengths are 2.72 Å.
DOI: 10.17188/1187438
title: Materials Data on PrAl2Ni3 by Materials Project

description: PrNi3Al2 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Pr is bonded in a 6-coordinate geometry to twelve equivalent Ni and six equivalent Al atoms. All Pr–Ni bond lengths are 3.28 Å. All Pr–Al bond lengths are 3.07 Å. Ni is bonded to four equivalent Pr and four equivalent Al atoms to form a mixture of distorted corner, edge, and face-sharing NiPr4Al4 cuboctahedra. All Ni–Al bond lengths are 2.45 Å. Al is bonded in a 9-coordinate geometry to three equivalent Pr and six equivalent Ni atoms.
DOI: 10.17188/1187439
title: Materials Data on ScAlNi2 by Materials Project

description: AlNi2Sc is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sc is bonded in a body-centered cubic geometry to eight equivalent Ni atoms. All Sc–Ni bond lengths are 2.62 Å. Ni is bonded in a body-centered cubic geometry to four equivalent Sc and four equivalent Al atoms. All Ni–Al bond lengths are 2.62 Å. Al is bonded in a distorted body-centered cubic geometry to eight equivalent Ni atoms.
DOI: 10.17188/1187440
title: Materials Data on AlVNi2 by Materials Project

description: Ni2VAl is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. V is bonded in a body-centered cubic geometry to eight equivalent Ni atoms. All V–Ni bond lengths are 2.51 Å. Ni is bonded in a body-centered cubic geometry to four equivalent V and four equivalent Al atoms. All Ni–Al bond lengths are 2.51 Å. Al is bonded in a body-centered cubic geometry to eight equivalent Ni atoms.
DOI: 10.15468/mtdw9v
title: Tardigrades of Finland: new records and an annotated checklist

description: This dataset contains the digitized treatments in Plazi based on the original journal article Vuori, Tommi, Massa, Edoardo, Calhim, Sara, Vecchi, Matteo (2020): Tardigrades of Finland: new records and an annotated checklist. Zootaxa 4851 (3): 477-521, DOI: https://doi.org/10.11646/zootaxa.4851.3.3
DOI: 10.17188/1187441
title: Materials Data on Si by Materials Project

description: Si crystallizes in the orthorhombic Fmmm space group. The structure is three-dimensional. there are two inequivalent Si sites. In the first Si site, Si is bonded to seven Si atoms to form a mixture of distorted edge and corner-sharing SiSi7 trigonal bipyramids. There are a spread of Si–Si bond distances ranging from 2.46–2.87 Å. In the second Si site, Si is bonded in a 8-coordinate geometry to eight Si atoms. There are two shorter (2.51 Å) and two longer (2.74 Å) Si–Si bond lengths.
DOI: 10.17188/1187443
title: Materials Data on U2Al3Os by Materials Project

description: U2OsAl3 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. U is bonded in a 3-coordinate geometry to four equivalent U, three equivalent Os, and nine equivalent Al atoms. There are three shorter (3.22 Å) and one longer (3.53 Å) U–U bond lengths. All U–Os bond lengths are 3.12 Å. There are three shorter (3.10 Å) and six longer (3.20 Å) U–Al bond lengths. Os is bonded to six equivalent U and six equivalent Al atoms to form OsU6Al6 cuboctahedra that share corners with twelve equivalent AlU6Al4Os2 cuboctahedra, edges with six equivalent OsU6Al6 cuboctahedra, faces with two equivalent OsU6Al6 cuboctahedra, and faces with eighteen equivalent AlU6Al4Os2 cuboctahedra. All Os–Al bond lengths are 2.70 Å. Al is bonded to six equivalent U, two equivalent Os, and four equivalent Al atoms to form distorted AlU6Al4Os2 cuboctahedra that share corners with four equivalent OsU6Al6 cuboctahedra, corners with fourteen equivalent AlU6Al4Os2 cuboctahedra, edges with six equivalent AlU6Al4Os2 cuboctahedra, faces with six equivalent OsU6Al6 cuboctahedra, and faces with twelve equivalent AlU6Al4Os2 cuboctahedra. There are two shorter (2.65 Å) and two longer (2.69 Å) Al–Al bond lengths.
DOI: 10.17188/1187444
title: Materials Data on Al3Pd2 by Materials Project

description: Al3Pd2 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. Pd is bonded in a body-centered cubic geometry to eight Al atoms. There are a spread of Pd–Al bond distances ranging from 2.54–2.68 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded in a 6-coordinate geometry to six equivalent Pd atoms. In the second Al site, Al is bonded in a 5-coordinate geometry to five equivalent Pd atoms.
DOI: 10.17188/1187445
title: Materials Data on PrAl by Materials Project

description: PrAl is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Pr is bonded in a body-centered cubic geometry to eight equivalent Al atoms. All Pr–Al bond lengths are 3.25 Å. Al is bonded in a body-centered cubic geometry to eight equivalent Pr atoms.
DOI: 10.17188/1187446
title: Materials Data on AlPt by Materials Project

description: PtAl is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Pt is bonded in a body-centered cubic geometry to eight equivalent Al atoms. All Pt–Al bond lengths are 2.68 Å. Al is bonded in a body-centered cubic geometry to eight equivalent Pt atoms.
DOI: 10.17188/1187447
title: Materials Data on AlPt by Materials Project

description: PtAl is alpha-derived structured and crystallizes in the cubic P2_13 space group. The structure is three-dimensional. Pt is bonded in a 7-coordinate geometry to seven equivalent Al atoms. There are a spread of Pt–Al bond distances ranging from 2.62–2.65 Å. Al is bonded in a 7-coordinate geometry to seven equivalent Pt atoms.
DOI: 10.17188/1187448
title: Materials Data on Al3Pt2 by Materials Project

description: Al3Pt2 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. Pt is bonded in a body-centered cubic geometry to eight Al atoms. There are a spread of Pt–Al bond distances ranging from 2.51–2.72 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded in a 6-coordinate geometry to six equivalent Pt atoms. In the second Al site, Al is bonded in a 5-coordinate geometry to five equivalent Pt atoms.
DOI: 10.17188/1187449
title: Materials Data on ZrAlPt2 by Materials Project

description: ZrPt2Al crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Zr is bonded in a 11-coordinate geometry to eight equivalent Pt and three equivalent Al atoms. There are two shorter (2.75 Å) and six longer (2.96 Å) Zr–Pt bond lengths. All Zr–Al bond lengths are 2.62 Å. Pt is bonded in a 1-coordinate geometry to four equivalent Zr, four equivalent Pt, and three equivalent Al atoms. There are one shorter (2.75 Å) and three longer (2.96 Å) Pt–Pt bond lengths. All Pt–Al bond lengths are 2.96 Å. Al is bonded in a 9-coordinate geometry to three equivalent Zr and six equivalent Pt atoms.
DOI: 10.17188/1187450
title: Materials Data on PuAl3 by Materials Project

description: PuAl3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Pu is bonded to twelve equivalent Al atoms to form PuAl12 cuboctahedra that share corners with twelve equivalent PuAl12 cuboctahedra, edges with twenty-four equivalent AlPu4Al8 cuboctahedra, faces with six equivalent PuAl12 cuboctahedra, and faces with twelve equivalent AlPu4Al8 cuboctahedra. All Pu–Al bond lengths are 2.96 Å. Al is bonded to four equivalent Pu and eight equivalent Al atoms to form AlPu4Al8 cuboctahedra that share corners with twelve equivalent AlPu4Al8 cuboctahedra, edges with eight equivalent PuAl12 cuboctahedra, edges with sixteen equivalent AlPu4Al8 cuboctahedra, faces with four equivalent PuAl12 cuboctahedra, and faces with fourteen equivalent AlPu4Al8 cuboctahedra. All Al–Al bond lengths are 2.96 Å.
DOI: 10.17188/1187451
title: Materials Data on AlRe by Materials Project

description: ReAl is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Re is bonded in a body-centered cubic geometry to eight equivalent Al atoms. All Re–Al bond lengths are 2.65 Å. Al is bonded in a body-centered cubic geometry to eight equivalent Re atoms.
DOI: 10.17188/1187452
title: Materials Data on AlRe2 by Materials Project

description: AlRe2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Re is bonded in a 8-coordinate geometry to four equivalent Re and four equivalent Al atoms. All Re–Re bond lengths are 2.64 Å. All Re–Al bond lengths are 2.68 Å. Al is bonded in a body-centered cubic geometry to eight equivalent Re atoms.
DOI: 10.17188/1187453
title: Materials Data on SmAu6 by Materials Project

description: SmAu6 crystallizes in the tetragonal P4_2/ncm space group. The structure is three-dimensional. Sm3+ is bonded in a 11-coordinate geometry to fifteen Au+0.50- atoms. There are a spread of Sm–Au bond distances ranging from 3.06–3.48 Å. There are five inequivalent Au+0.50- sites. In the first Au+0.50- site, Au+0.50- is bonded in a 2-coordinate geometry to three equivalent Sm3+ and five Au+0.50- atoms. There are a spread of Au–Au bond distances ranging from 2.81–3.18 Å. In the second Au+0.50- site, Au+0.50- is bonded in a distorted bent 120 degrees geometry to three equivalent Sm3+ and four Au+0.50- atoms. There are a spread of Au–Au bond distances ranging from 2.88–2.98 Å. In the third Au+0.50- site, Au+0.50- is bonded in a 10-coordinate geometry to two equivalent Sm3+ and eight Au+0.50- atoms. In the fourth Au+0.50- site, Au+0.50- is bonded in a 12-coordinate geometry to two equivalent Sm3+ and ten Au+0.50- atoms. There are a spread of Au–Au bond distances ranging from 2.87–3.09 Å. In the fifth Au+0.50- site, Au+0.50- is bonded in a distorted linear geometry to two equivalent Sm3+ and four equivalent Au+0.50- atoms.
DOI: 10.17188/1187454
title: Materials Data on Al2Ru by Materials Project

description: RuAl2 is Titanium Disilicide structured and crystallizes in the orthorhombic Fddd space group. The structure is three-dimensional. Ru is bonded in a distorted q6 geometry to ten equivalent Al atoms. There are a spread of Ru–Al bond distances ranging from 2.59–2.74 Å. Al is bonded in a 10-coordinate geometry to five equivalent Ru and five equivalent Al atoms. There are a spread of Al–Al bond distances ranging from 2.61–2.75 Å.
DOI: 10.17188/1187455
title: Materials Data on Sc2Al3Ru by Materials Project

description: Sc2RuAl3 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Sc is bonded in a 12-coordinate geometry to four equivalent Sc, three equivalent Ru, and nine equivalent Al atoms. There are three shorter (3.20 Å) and one longer (3.33 Å) Sc–Sc bond lengths. All Sc–Ru bond lengths are 3.10 Å. There are three shorter (3.03 Å) and six longer (3.13 Å) Sc–Al bond lengths. Ru is bonded to six equivalent Sc and six equivalent Al atoms to form RuSc6Al6 cuboctahedra that share corners with twelve equivalent AlSc6Al4Ru2 cuboctahedra, edges with six equivalent RuSc6Al6 cuboctahedra, faces with two equivalent RuSc6Al6 cuboctahedra, and faces with eighteen equivalent AlSc6Al4Ru2 cuboctahedra. All Ru–Al bond lengths are 2.62 Å. Al is bonded to six equivalent Sc, two equivalent Ru, and four equivalent Al atoms to form distorted AlSc6Al4Ru2 cuboctahedra that share corners with four equivalent RuSc6Al6 cuboctahedra, corners with fourteen equivalent AlSc6Al4Ru2 cuboctahedra, edges with six equivalent AlSc6Al4Ru2 cuboctahedra, faces with six equivalent RuSc6Al6 cuboctahedra, and faces with twelve equivalent AlSc6Al4Ru2 cuboctahedra. There are two shorter (2.63 Å) and two longer (2.68 Å) Al–Al bond lengths.
DOI: 10.17188/1187456
title: Materials Data on BaPr2FeS5 by Materials Project

description: BaPr2FeS5 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Ba2+ is bonded in a distorted q6 geometry to ten S2- atoms. There are two shorter (3.38 Å) and eight longer (3.40 Å) Ba–S bond lengths. Pr3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Pr–S bond distances ranging from 2.82–3.08 Å. Fe2+ is bonded in a distorted tetrahedral geometry to four equivalent S2- atoms. All Fe–S bond lengths are 2.26 Å. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded in a 6-coordinate geometry to two equivalent Ba2+, three equivalent Pr3+, and one Fe2+ atom. In the second S2- site, S2- is bonded to two equivalent Ba2+ and four equivalent Pr3+ atoms to form corner-sharing SBa2Pr4 octahedra. The corner-sharing octahedra tilt angles range from 0–39°.
DOI: 10.17188/1187457
title: Materials Data on GeO2 by Materials Project

description: GeO2 is Hydrophilite-like structured and crystallizes in the orthorhombic Pbcn space group. The structure is three-dimensional. Ge4+ is bonded to six equivalent O2- atoms to form a mixture of edge and corner-sharing GeO6 octahedra. The corner-sharing octahedral tilt angles are 52°. There is four shorter (1.90 Å) and two longer (1.97 Å) Ge–O bond length. O2- is bonded in a distorted trigonal planar geometry to three equivalent Ge4+ atoms.
DOI: 10.17188/1187458
title: Materials Data on K3Cu5O4 by Materials Project

description: K3Cu5O4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of K–O bond distances ranging from 2.73–3.17 Å. In the second K1+ site, K1+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of K–O bond distances ranging from 2.62–2.81 Å. In the third K1+ site, K1+ is bonded to four O2- atoms to form edge-sharing KO4 trigonal pyramids. There are a spread of K–O bond distances ranging from 2.69–2.81 Å. There are five inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.85 Å) and one longer (1.87 Å) Cu–O bond length. In the second Cu1+ site, Cu1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.84 Å) and one longer (1.87 Å) Cu–O bond length. In the third Cu1+ site, Cu1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.83 Å) and one longer (1.87 Å) Cu–O bond length. In the fourth Cu1+ site, Cu1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.84 Å) and one longer (1.85 Å) Cu–O bond length. In the fifth Cu1+ site, Cu1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.82 Å) and one longer (1.87 Å) Cu–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to four K1+ and two Cu1+ atoms to form distorted OK4Cu2 octahedra that share corners with two equivalent OK2Cu3 trigonal bipyramids and an edgeedge with one OK4Cu2 octahedra. In the second O2- site, O2- is bonded in a 5-coordinate geometry to two K1+ and three Cu1+ atoms. In the third O2- site, O2- is bonded to two K1+ and three Cu1+ atoms to form distorted corner-sharing OK2Cu3 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 19–71°. In the fourth O2- site, O2- is bonded in a 6-coordinate geometry to four K1+ and two Cu1+ atoms.
DOI: 10.17188/1187459
title: Materials Data on Rb2PdC2 by Materials Project

description: Rb2PdC2 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. Rb1+ is bonded in a trigonal planar geometry to three equivalent C2- atoms. All Rb–C bond lengths are 3.20 Å. Pd2+ is bonded in a linear geometry to two equivalent C2- atoms. Both Pd–C bond lengths are 2.02 Å. C2- is bonded to three equivalent Rb1+, one Pd2+, and one C2- atom to form distorted corner-sharing CRb3PdC trigonal bipyramids. The C–C bond length is 1.27 Å.
DOI: 10.17188/1187460
title: Materials Data on Rb2PtC2 by Materials Project

description: Rb2PtC2 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. Rb1+ is bonded in a 3-coordinate geometry to three equivalent Pt2- atoms. All Rb–Pt bond lengths are 3.47 Å. Pt2- is bonded in a distorted linear geometry to six equivalent Rb1+ and two equivalent C atoms. Both Pt–C bond lengths are 1.99 Å. C is bonded in a linear geometry to one Pt2- and one C atom. The C–C bond length is 1.28 Å.
DOI: 10.17188/1187461
title: Materials Data on HoHg by Materials Project

description: HoHg is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ho is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Ho–Hg bond lengths are 3.22 Å. Hg is bonded in a body-centered cubic geometry to eight equivalent Ho atoms.
DOI: 10.17188/1187462
title: Materials Data on Mg2Co12P7 by Materials Project

description: Mg2Co12P7 crystallizes in the hexagonal P-6 space group. The structure is three-dimensional. there are two inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to six equivalent P3- atoms to form distorted MgP6 pentagonal pyramids that share corners with twelve CoP4 tetrahedra, corners with six equivalent CoP5 trigonal bipyramids, edges with twelve CoP4 tetrahedra, and faces with two equivalent MgP6 pentagonal pyramids. All Mg–P bond lengths are 2.79 Å. In the second Mg2+ site, Mg2+ is bonded to six equivalent P3- atoms to form distorted MgP6 pentagonal pyramids that share corners with twelve CoP4 tetrahedra, corners with six equivalent CoP5 trigonal bipyramids, edges with nine CoP4 tetrahedra, edges with three equivalent CoP5 trigonal bipyramids, and faces with two equivalent MgP6 pentagonal pyramids. All Mg–P bond lengths are 2.78 Å. There are four inequivalent Co+1.42+ sites. In the first Co+1.42+ site, Co+1.42+ is bonded to four P3- atoms to form CoP4 tetrahedra that share corners with two equivalent MgP6 pentagonal pyramids, corners with ten CoP4 tetrahedra, corners with four equivalent CoP5 trigonal bipyramids, edges with three MgP6 pentagonal pyramids, edges with four CoP4 tetrahedra, and an edgeedge with one CoP5 trigonal bipyramid. There are a spread of Co–P bond distances ranging from 2.18–2.28 Å. In the second Co+1.42+ site, Co+1.42+ is bonded to five P3- atoms to form distorted CoP5 trigonal bipyramids that share corners with four MgP6 pentagonal pyramids, corners with eight CoP4 tetrahedra, corners with four equivalent CoP5 trigonal bipyramids, an edgeedge with one MgP6 pentagonal pyramid, edges with seven CoP4 tetrahedra, and edges with four equivalent CoP5 trigonal bipyramids. There are a spread of Co–P bond distances ranging from 2.24–2.55 Å. In the third Co+1.42+ site, Co+1.42+ is bonded to four P3- atoms to form CoP4 tetrahedra that share corners with four MgP6 pentagonal pyramids, corners with ten CoP4 tetrahedra, corners with two equivalent CoP5 trigonal bipyramids, an edgeedge with one MgP6 pentagonal pyramid, edges with three CoP4 tetrahedra, and edges with four equivalent CoP5 trigonal bipyramids. There are a spread of Co–P bond distances ranging from 2.14–2.22 Å. In the fourth Co+1.42+ site, Co+1.42+ is bonded to four P3- atoms to form CoP4 tetrahedra that share corners with two equivalent MgP6 pentagonal pyramids, corners with twelve CoP4 tetrahedra, corners with two equivalent CoP5 trigonal bipyramids, edges with three MgP6 pentagonal pyramids, edges with three CoP4 tetrahedra, and edges with two equivalent CoP5 trigonal bipyramids. There are a spread of Co–P bond distances ranging from 2.19–2.29 Å. There are three inequivalent P3- sites. In the first P3- site, P3- is bonded in a 9-coordinate geometry to two equivalent Mg2+ and seven Co+1.42+ atoms. In the second P3- site, P3- is bonded in a 9-coordinate geometry to two equivalent Mg2+ and seven Co+1.42+ atoms. In the third P3- site, P3- is bonded in a 3-coordinate geometry to nine Co+1.42+ atoms.