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HfTaRu2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two HfTaRu2 ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to two equivalent Ru atoms. Both Hf–Ru bond lengths are 2.32 Å. Ta is bonded in a linear geometry to two equivalent Ru atoms. Both Ta–Ru bond lengths are 2.21 Å. Ru is bonded in a linear geometry to one Hf and one Ta atom.
TaO12Tl is Zintl Phase structured and crystallizes in the cubic Fd-3m space group. The structure is zero-dimensional and consists of eight thallium molecules and eight TaO12 clusters. In each TaO12 cluster, Ta is bonded in a cuboctahedral geometry to twelve equivalent O atoms. All Ta–O bond lengths are 2.24 Å. O is bonded in a distorted single-bond geometry to one Ta atom.
K3Ta is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded to four equivalent K and four equivalent Ta atoms to form a mixture of distorted edge, corner, and face-sharing KK4Ta4 tetrahedra. All K–K bond lengths are 3.90 Å. All K–Ta bond lengths are 3.90 Å. In the second K site, K is bonded in a distorted body-centered cubic geometry to eight equivalent K atoms. Ta is bonded in a body-centered cubic geometry to eight equivalent K atoms.
TiTaNb2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two TiTaNb2 ribbons oriented in the (1, 0, 0) direction. Ti is bonded in a linear geometry to two equivalent Nb atoms. Both Ti–Nb bond lengths are 2.30 Å. Ta is bonded in a linear geometry to two equivalent Nb atoms. Both Ta–Nb bond lengths are 2.38 Å. Nb is bonded in a linear geometry to one Ti and one Ta atom.
Sr3Ti6Ta2O21 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. Sr is bonded in a 12-coordinate geometry to twelve O atoms. There are a spread of Sr–O bond distances ranging from 2.67–3.13 Å. Ti is bonded to six O atoms to form TiO6 octahedra that share corners with two equivalent TaO6 octahedra, corners with three equivalent TiO6 octahedra, and edges with two equivalent TiO6 octahedra. The corner-sharing octahedra tilt angles range from 24–49°. There are a spread of Ti–O bond distances ranging from 1.84–2.04 Å. Ta is bonded to six equivalent O atoms to form TaO6 octahedra that share corners with six equivalent TiO6 octahedra. The corner-sharing octahedral tilt angles are 43°. All Ta–O bond lengths are 1.99 Å. There are three inequivalent O sites. In the first O site, O is bonded in a 4-coordinate geometry to one Sr and three equivalent Ti atoms. In the second O site, O is bonded in a 2-coordinate geometry to two equivalent Sr, one Ti, and one Ta atom. In the third O site, O is bonded in a bent 150 degrees geometry to two equivalent Sr and two equivalent Ti atoms.
TaSn3 is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ta is bonded to twelve equivalent Sn atoms to form TaSn12 cuboctahedra that share corners with six equivalent TaSn12 cuboctahedra, corners with twelve equivalent SnTa4Sn8 cuboctahedra, edges with eighteen equivalent SnTa4Sn8 cuboctahedra, faces with eight equivalent TaSn12 cuboctahedra, and faces with twelve equivalent SnTa4Sn8 cuboctahedra. There are six shorter (3.15 Å) and six longer (3.21 Å) Ta–Sn bond lengths. Sn is bonded to four equivalent Ta and eight equivalent Sn atoms to form distorted SnTa4Sn8 cuboctahedra that share corners with four equivalent TaSn12 cuboctahedra, corners with fourteen equivalent SnTa4Sn8 cuboctahedra, edges with six equivalent TaSn12 cuboctahedra, edges with twelve equivalent SnTa4Sn8 cuboctahedra, faces with four equivalent TaSn12 cuboctahedra, and faces with sixteen equivalent SnTa4Sn8 cuboctahedra. There are a spread of Sn–Sn bond distances ranging from 3.00–3.30 Å.
TaMnOs2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two TaMnOs2 ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to two equivalent Os atoms. Both Ta–Os bond lengths are 2.26 Å. Mn is bonded in a linear geometry to two equivalent Os atoms. Both Mn–Os bond lengths are 2.57 Å. Os is bonded in a linear geometry to one Ta and one Mn atom.
TaVRu2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two TaVRu2 ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to two equivalent Ru atoms. Both Ta–Ru bond lengths are 2.24 Å. V is bonded in a linear geometry to two equivalent Ru atoms. Both V–Ru bond lengths are 2.31 Å. Ru is bonded in a linear geometry to one Ta and one V atom.
RbTaGeO5 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. there are three inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 3-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 2.98–3.53 Å. In the second Rb1+ site, Rb1+ is bonded in a 6-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 3.07–3.54 Å. In the third Rb1+ site, Rb1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Rb–O bond distances ranging from 3.09–3.54 Å. There are three inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with three TaO6 octahedra and corners with three GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 39–41°. There are a spread of Ta–O bond distances ranging from 1.94–2.06 Å. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 38–42°. There are a spread of Ta–O bond distances ranging from 1.96–2.03 Å. In the third Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with three TaO6 octahedra and corners with three GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 41–42°. There are a spread of Ta–O bond distances ranging from 1.91–2.12 Å. There are three inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with two TaO6 octahedra and corners with two GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 40–44°. There are a spread of Ge–O bond distances ranging from 1.73–1.79 Å. In the second Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with two TaO6 octahedra and corners with two GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 12–54°. There are a spread of Ge–O bond distances ranging from 1.72–1.80 Å. In the third Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with two TaO6 octahedra and corners with two GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 40–43°. There are a spread of Ge–O bond distances ranging from 1.73–1.79 Å. There are fifteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to three Rb1+ and two Ta5+ atoms. In the second O2- site, O2- is bonded in a distorted linear geometry to one Rb1+, one Ta5+, and one Ge4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Rb1+, one Ta5+, and one Ge4+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Rb1+ and two Ge4+ atoms. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Rb1+, one Ta5+, and one Ge4+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to two Rb1+ and two Ge4+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to three Rb1+ and two equivalent Ta5+ atoms. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Rb1+ and two Ta5+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and two Ta5+ atoms. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to three Rb1+ and two Ta5+ atoms. In the eleventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Rb1+ and two Ge4+ atoms. In the twelfth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+, one Ta5+, and one Ge4+ atom. In the thirteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+, one Ta5+, and one Ge4+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+, one Ta5+, and one Ge4+ atom. In the fifteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+ and two Ta5+ atoms.
ZrTaOs2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two ZrTaOs2 ribbons oriented in the (1, 0, 0) direction. Zr is bonded in a linear geometry to two equivalent Os atoms. Both Zr–Os bond lengths are 2.42 Å. Ta is bonded in a linear geometry to two equivalent Os atoms. Both Ta–Os bond lengths are 2.31 Å. Os is bonded in a linear geometry to one Zr and one Ta atom.
Be2TaOs crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Be2TaOs ribbons oriented in the (1, 0, 0) direction. Be is bonded in a linear geometry to one Ta and one Os atom. The Be–Ta bond length is 2.48 Å. The Be–Os bond length is 2.13 Å. Ta is bonded in a linear geometry to two equivalent Be atoms. Os is bonded in a linear geometry to two equivalent Be atoms.
TaNbMo crystallizes in the orthorhombic Fmm2 space group. The structure is one-dimensional and consists of four TaNbMo ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a 2-coordinate geometry to two equivalent Mo atoms. Both Ta–Mo bond lengths are 2.74 Å. Nb is bonded in a 4-coordinate geometry to two equivalent Mo atoms. Both Nb–Mo bond lengths are 2.76 Å. Mo is bonded in a 4-coordinate geometry to two equivalent Ta and two equivalent Nb atoms.
TiTa6Tl2O18 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six TaO6 octahedra. The corner-sharing octahedra tilt angles range from 34–35°. There is four shorter (1.97 Å) and two longer (1.98 Å) Ti–O bond length. There are three inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form distorted TaO6 octahedra that share a cornercorner with one TiO6 octahedra, corners with four TaO6 octahedra, and edges with two TaO6 octahedra. The corner-sharing octahedra tilt angles range from 26–49°. There are a spread of Ta–O bond distances ranging from 1.86–2.13 Å. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form distorted TaO6 octahedra that share a cornercorner with one TiO6 octahedra, corners with four TaO6 octahedra, and edges with two TaO6 octahedra. The corner-sharing octahedra tilt angles range from 25–50°. There are a spread of Ta–O bond distances ranging from 1.86–2.14 Å. In the third Ta5+ site, Ta5+ is bonded to six O2- atoms to form distorted TaO6 octahedra that share a cornercorner with one TiO6 octahedra, corners with four TaO6 octahedra, and edges with two TaO6 octahedra. The corner-sharing octahedra tilt angles range from 25–50°. There are a spread of Ta–O bond distances ranging from 1.86–2.13 Å. Tl1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Tl–O bond distances ranging from 2.79–3.37 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one Ta5+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two Ta5+ and one Tl1+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Ta5+ and one Tl1+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two Ta5+ and one Tl1+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to three Ta5+ and one Tl1+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Ta5+ and one Tl1+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to three Ta5+ and one Tl1+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one Ta5+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one Ta5+ atom.
TaW crystallizes in the orthorhombic Cmmm space group. The structure is two-dimensional and consists of two TaW sheets oriented in the (0, 1, 0) direction. Ta is bonded in a 4-coordinate geometry to four equivalent W atoms. All Ta–W bond lengths are 2.80 Å. W is bonded in a 4-coordinate geometry to four equivalent Ta atoms.
Th3Ta is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Th is bonded to eight equivalent Th and four equivalent Ta atoms to form distorted ThTh8Ta4 cuboctahedra that share corners with four equivalent TaTh12 cuboctahedra, corners with fourteen equivalent ThTh8Ta4 cuboctahedra, edges with six equivalent TaTh12 cuboctahedra, edges with twelve equivalent ThTh8Ta4 cuboctahedra, faces with four equivalent TaTh12 cuboctahedra, and faces with sixteen equivalent ThTh8Ta4 cuboctahedra. There are a spread of Th–Th bond distances ranging from 3.18–3.57 Å. There are two shorter (3.38 Å) and two longer (3.42 Å) Th–Ta bond lengths. Ta is bonded to twelve equivalent Th atoms to form TaTh12 cuboctahedra that share corners with six equivalent TaTh12 cuboctahedra, corners with twelve equivalent ThTh8Ta4 cuboctahedra, edges with eighteen equivalent ThTh8Ta4 cuboctahedra, faces with eight equivalent TaTh12 cuboctahedra, and faces with twelve equivalent ThTh8Ta4 cuboctahedra.
ZrTaMn2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two ZrTaMn2 ribbons oriented in the (1, 0, 0) direction. Zr is bonded in a linear geometry to two equivalent Mn atoms. Both Zr–Mn bond lengths are 2.52 Å. Ta is bonded in a linear geometry to two equivalent Mn atoms. Both Ta–Mn bond lengths are 2.38 Å. Mn is bonded in a linear geometry to one Zr and one Ta atom.
RuTa crystallizes in the orthorhombic Cmmm space group. The structure is two-dimensional and consists of two RuTa sheets oriented in the (0, 1, 0) direction. Ta is bonded in a 4-coordinate geometry to four equivalent Ru atoms. All Ta–Ru bond lengths are 2.66 Å. Ru is bonded in a 4-coordinate geometry to four equivalent Ta atoms.
TaCoP crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ta is bonded in a 5-coordinate geometry to five equivalent P atoms. There are a spread of Ta–P bond distances ranging from 2.56–2.62 Å. Co is bonded in a 4-coordinate geometry to four equivalent P atoms. There are a spread of Co–P bond distances ranging from 2.26–2.34 Å. P is bonded in a 9-coordinate geometry to five equivalent Ta and four equivalent Co atoms.