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Ta2ReIr crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2ReIr ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Re and one Ir atom. The Ta–Re bond length is 2.31 Å. The Ta–Ir bond length is 2.36 Å. Re is bonded in a linear geometry to two equivalent Ta atoms. Ir is bonded in a linear geometry to two equivalent Ta atoms.
TiTa2W is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ti is bonded in a 8-coordinate geometry to eight equivalent Ta and six equivalent W atoms. All Ti–Ta bond lengths are 2.82 Å. All Ti–W bond lengths are 3.26 Å. Ta is bonded in a distorted body-centered cubic geometry to four equivalent Ti and four equivalent W atoms. All Ta–W bond lengths are 2.82 Å. W is bonded in a distorted body-centered cubic geometry to six equivalent Ti and eight equivalent Ta atoms.
TaNi15Al4 is Uranium Silicide-derived structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Ta is bonded to twelve Ni atoms to form TaNi12 cuboctahedra that share corners with four equivalent TaNi12 cuboctahedra, corners with eight equivalent AlNi12 cuboctahedra, edges with twenty-four NiTa2Al2Ni8 cuboctahedra, faces with two equivalent AlNi12 cuboctahedra, faces with four equivalent TaNi12 cuboctahedra, and faces with twelve NiTa4Ni8 cuboctahedra. There are four shorter (2.53 Å) and eight longer (2.56 Å) Ta–Ni bond lengths. There are seven inequivalent Ni sites. In the first Ni site, Ni is bonded to four equivalent Ta and eight Ni atoms to form distorted NiTa4Ni8 cuboctahedra that share corners with twelve NiTa4Ni8 cuboctahedra, edges with eight equivalent AlNi12 cuboctahedra, edges with sixteen NiTa2Al2Ni8 cuboctahedra, faces with four equivalent TaNi12 cuboctahedra, and faces with fourteen NiTa4Ni8 cuboctahedra. All Ni–Ni bond lengths are 2.56 Å. In the second Ni site, Ni is bonded to eight Ni and four equivalent Al atoms to form NiAl4Ni8 cuboctahedra that share corners with twelve NiTa4Ni8 cuboctahedra, edges with four equivalent TaNi12 cuboctahedra, edges with four equivalent AlNi12 cuboctahedra, edges with sixteen NiTa2Al2Ni8 cuboctahedra, faces with four equivalent AlNi12 cuboctahedra, and faces with fourteen NiTa4Ni8 cuboctahedra. All Ni–Ni bond lengths are 2.51 Å. All Ni–Al bond lengths are 2.53 Å. In the third Ni site, Ni is bonded to eight Ni and four equivalent Al atoms to form NiAl4Ni8 cuboctahedra that share corners with twelve NiAl4Ni8 cuboctahedra, edges with eight AlNi12 cuboctahedra, edges with sixteen NiAl4Ni8 cuboctahedra, faces with four equivalent AlNi12 cuboctahedra, and faces with fourteen NiAl4Ni8 cuboctahedra. There are four shorter (2.50 Å) and four longer (2.51 Å) Ni–Ni bond lengths. All Ni–Al bond lengths are 2.53 Å. In the fourth Ni site, Ni is bonded to two equivalent Ta, eight Ni, and two equivalent Al atoms to form distorted NiTa2Al2Ni8 cuboctahedra that share corners with twelve NiTa2Al2Ni8 cuboctahedra, edges with four equivalent TaNi12 cuboctahedra, edges with four equivalent AlNi12 cuboctahedra, edges with sixteen NiTa4Ni8 cuboctahedra, faces with two equivalent TaNi12 cuboctahedra, faces with two equivalent AlNi12 cuboctahedra, and faces with fourteen NiTa4Ni8 cuboctahedra. All Ni–Ni bond lengths are 2.53 Å. Both Ni–Al bond lengths are 2.54 Å. In the fifth Ni site, Ni is bonded to eight Ni and four Al atoms to form distorted NiAl4Ni8 cuboctahedra that share corners with twelve NiTa2Al2Ni8 cuboctahedra, edges with eight AlNi12 cuboctahedra, edges with sixteen NiAl4Ni8 cuboctahedra, faces with four AlNi12 cuboctahedra, and faces with fourteen NiAl4Ni8 cuboctahedra. All Ni–Ni bond lengths are 2.53 Å. There are two shorter (2.49 Å) and two longer (2.51 Å) Ni–Al bond lengths. In the sixth Ni site, Ni is bonded to eight Ni and four equivalent Al atoms to form NiAl4Ni8 cuboctahedra that share corners with twelve NiAl4Ni8 cuboctahedra, edges with eight equivalent AlNi12 cuboctahedra, edges with sixteen NiAl4Ni8 cuboctahedra, faces with four equivalent AlNi12 cuboctahedra, and faces with fourteen NiAl4Ni8 cuboctahedra. All Ni–Ni bond lengths are 2.53 Å. All Ni–Al bond lengths are 2.51 Å. In the seventh Ni site, Ni is bonded to two equivalent Ta, eight Ni, and two equivalent Al atoms to form distorted NiTa2Al2Ni8 cuboctahedra that share corners with twelve NiTa2Al2Ni8 cuboctahedra, edges with four equivalent TaNi12 cuboctahedra, edges with four equivalent AlNi12 cuboctahedra, edges with sixteen NiTa4Ni8 cuboctahedra, faces with two equivalent TaNi12 cuboctahedra, faces with two equivalent AlNi12 cuboctahedra, and faces with fourteen NiTa4Ni8 cuboctahedra. There are two shorter (2.51 Å) and four longer (2.53 Å) Ni–Ni bond lengths. Both Ni–Al bond lengths are 2.54 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded to twelve Ni atoms to form AlNi12 cuboctahedra that share corners with four equivalent TaNi12 cuboctahedra, corners with eight AlNi12 cuboctahedra, edges with twenty-four NiTa2Al2Ni8 cuboctahedra, a faceface with one TaNi12 cuboctahedra, faces with five AlNi12 cuboctahedra, and faces with twelve NiAl4Ni8 cuboctahedra. In the second Al site, Al is bonded to twelve Ni atoms to form AlNi12 cuboctahedra that share corners with twelve AlNi12 cuboctahedra, edges with twenty-four NiAl4Ni8 cuboctahedra, faces with six AlNi12 cuboctahedra, and faces with twelve NiAl4Ni8 cuboctahedra.
NbTaV is beta Np-derived structured and crystallizes in the orthorhombic Fmm2 space group. The structure is three-dimensional. Ta is bonded in a 8-coordinate geometry to two equivalent Nb and two equivalent V atoms. Both Ta–Nb bond lengths are 2.91 Å. Both Ta–V bond lengths are 2.66 Å. Nb is bonded in a 8-coordinate geometry to two equivalent Ta, four equivalent Nb, and two equivalent V atoms. All Nb–Nb bond lengths are 2.84 Å. Both Nb–V bond lengths are 2.66 Å. V is bonded in a 4-coordinate geometry to two equivalent Ta and two equivalent Nb atoms.
Ta2MnRu crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2MnRu ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Mn and one Ru atom. The Ta–Mn bond length is 2.19 Å. The Ta–Ru bond length is 2.24 Å. Mn is bonded in a linear geometry to two equivalent Ta atoms. Ru is bonded in a linear geometry to two equivalent Ta atoms.
Ta2WMo is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ta is bonded in a body-centered cubic geometry to four equivalent W and four equivalent Mo atoms. All Ta–W bond lengths are 2.81 Å. All Ta–Mo bond lengths are 2.81 Å. W is bonded in a body-centered cubic geometry to eight equivalent Ta atoms. Mo is bonded in a body-centered cubic geometry to eight equivalent Ta atoms.
Ta2ReRh crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2ReRh ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Re and one Rh atom. The Ta–Re bond length is 2.29 Å. The Ta–Rh bond length is 2.34 Å. Re is bonded in a linear geometry to two equivalent Ta atoms. Rh is bonded in a linear geometry to two equivalent Ta atoms.
CsSrTa6Cl18 crystallizes in the trigonal P-31c space group. The structure is three-dimensional. Cs is bonded in a 12-coordinate geometry to twelve Cl atoms. There are six shorter (3.89 Å) and six longer (4.05 Å) Cs–Cl bond lengths. Sr is bonded to six equivalent Cl atoms to form SrCl6 octahedra that share corners with six equivalent TaCl5 square pyramids. All Sr–Cl bond lengths are 2.94 Å. Ta is bonded to five Cl atoms to form distorted TaCl5 square pyramids that share a cornercorner with one SrCl6 octahedra and corners with four equivalent TaCl5 square pyramids. The corner-sharing octahedral tilt angles are 46°. There are a spread of Ta–Cl bond distances ranging from 2.45–2.61 Å. There are three inequivalent Cl sites. In the first Cl site, Cl is bonded in a 2-coordinate geometry to two equivalent Ta atoms. In the second Cl site, Cl is bonded in a 3-coordinate geometry to one Cs, one Sr, and one Ta atom. In the third Cl site, Cl is bonded in a 2-coordinate geometry to one Cs and two equivalent Ta atoms.
Ta2MoPt crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2MoPt ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Mo and one Pt atom. The Ta–Mo bond length is 2.30 Å. The Ta–Pt bond length is 2.49 Å. Mo is bonded in a linear geometry to two equivalent Ta atoms. Pt is bonded in a linear geometry to two equivalent Ta atoms.
TaGeSi is Titanium Disilicide-derived structured and crystallizes in the trigonal P3_212 space group. The structure is three-dimensional. Ta is bonded in a 10-coordinate geometry to five equivalent Ge and five equivalent Si atoms. There are a spread of Ta–Ge bond distances ranging from 2.66–2.89 Å. There are a spread of Ta–Si bond distances ranging from 2.65–2.86 Å. Ge is bonded in a 10-coordinate geometry to five equivalent Ta and five equivalent Si atoms. There are a spread of Ge–Si bond distances ranging from 2.62–2.88 Å. Si is bonded in a 10-coordinate geometry to five equivalent Ta and five equivalent Ge atoms.
Ta2CrTc crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2CrTc ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Cr and one Tc atom. The Ta–Cr bond length is 2.66 Å. The Ta–Tc bond length is 2.25 Å. Cr is bonded in a linear geometry to two equivalent Ta atoms. Tc is bonded in a linear geometry to two equivalent Ta atoms.
Ta2WRe is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ta is bonded in a body-centered cubic geometry to four equivalent W and four equivalent Re atoms. All Ta–W bond lengths are 2.79 Å. All Ta–Re bond lengths are 2.79 Å. W is bonded in a body-centered cubic geometry to eight equivalent Ta atoms. Re is bonded in a distorted body-centered cubic geometry to eight equivalent Ta atoms.
Ta2Ni3Ge is Hexagonal Laves-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ta is bonded in a 12-coordinate geometry to nine equivalent Ni and three equivalent Ge atoms. There are three shorter (2.75 Å) and six longer (2.86 Å) Ta–Ni bond lengths. All Ta–Ge bond lengths are 2.86 Å. Ni is bonded to six equivalent Ta, four equivalent Ni, and two equivalent Ge atoms to form NiTa6Ni4Ge2 cuboctahedra that share corners with four equivalent GeTa6Ni6 cuboctahedra, corners with fourteen equivalent NiTa6Ni4Ge2 cuboctahedra, edges with six equivalent NiTa6Ni4Ge2 cuboctahedra, faces with six equivalent GeTa6Ni6 cuboctahedra, and faces with twelve equivalent NiTa6Ni4Ge2 cuboctahedra. There are two shorter (2.38 Å) and two longer (2.52 Å) Ni–Ni bond lengths. Both Ni–Ge bond lengths are 2.42 Å. Ge is bonded to six equivalent Ta and six equivalent Ni atoms to form GeTa6Ni6 cuboctahedra that share corners with twelve equivalent NiTa6Ni4Ge2 cuboctahedra, edges with six equivalent GeTa6Ni6 cuboctahedra, faces with two equivalent GeTa6Ni6 cuboctahedra, and faces with eighteen equivalent NiTa6Ni4Ge2 cuboctahedra.
Ta2VRe crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2VRe ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one V and one Re atom. The Ta–V bond length is 2.35 Å. The Ta–Re bond length is 2.28 Å. V is bonded in a linear geometry to two equivalent Ta atoms. Re is bonded in a linear geometry to two equivalent Ta atoms.
Ta2MoCr crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2MoCr ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Mo and one Cr atom. The Ta–Mo bond length is 2.24 Å. The Ta–Cr bond length is 2.45 Å. Mo is bonded in a linear geometry to two equivalent Ta atoms. Cr is bonded in a linear geometry to two equivalent Ta atoms.
Ta2ReAl crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2ReAl ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one Re and one Al atom. The Ta–Re bond length is 2.22 Å. The Ta–Al bond length is 2.66 Å. Re is bonded in a linear geometry to two equivalent Ta atoms. Al is bonded in a linear geometry to two equivalent Ta atoms.
Ta2VFe crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ta2VFe ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to one V and one Fe atom. The Ta–V bond length is 2.23 Å. The Ta–Fe bond length is 2.13 Å. V is bonded in a linear geometry to two equivalent Ta atoms. Fe is bonded in a linear geometry to two equivalent Ta atoms.
Ta9V2O25 crystallizes in the tetragonal I4/m space group. The structure is three-dimensional. there are three inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are two shorter (1.98 Å) and four longer (2.02 Å) Ta–O bond lengths. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 1–30°. There are a spread of Ta–O bond distances ranging from 1.86–2.29 Å. In the third Ta5+ site, Ta5+ is bonded to six O2- atoms to form distorted TaO6 octahedra that share corners with four TaO6 octahedra, corners with two equivalent VO4 tetrahedra, and edges with two equivalent TaO6 octahedra. The corner-sharing octahedra tilt angles range from 6–29°. There are a spread of Ta–O bond distances ranging from 1.88–2.27 Å. V+2.50+ is bonded to four equivalent O2- atoms to form distorted VO4 tetrahedra that share corners with four equivalent TaO6 octahedra and edges with two equivalent VO4 tetrahedra. The corner-sharing octahedral tilt angles are 46°. All V–O bond lengths are 1.91 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Ta5+ and two equivalent V+2.50+ atoms. In the second O2- site, O2- is bonded in a linear geometry to two Ta5+ atoms. The O–Ta bond length is 1.86 Å. In the third O2- site, O2- is bonded in a linear geometry to two equivalent Ta5+ atoms. In the fourth O2- site, O2- is bonded in a linear geometry to two Ta5+ atoms. In the fifth O2- site, O2- is bonded in a linear geometry to two Ta5+ atoms. The O–Ta bond length is 1.86 Å. In the sixth O2- site, O2- is bonded in a linear geometry to two Ta5+ atoms. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to three Ta5+ atoms. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to three Ta5+ atoms. In the ninth O2- site, O2- is bonded in a linear geometry to two Ta5+ atoms.