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At least 73 records · Page 4

Materials Data on Tb(NiGe)2 by Materials Project

TbNi2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to eight equivalent Ni and eight equivalent Ge atoms. All Tb–Ni bond lengths are 3.19 Å. All Tb–Ge bond lengths are 3.15 Å. Ni is bonded in a 4-coordinate geometry to four equivalent Tb and four equivalent Ge atoms. All Ni–Ge bond lengths are 2.36 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Tb, four equivalent Ni, and one Ge atom. The Ge–Ge bond length is 2.53 Å.

36 MATERIALS SCIENCE↗

Materials Data on Tb(CoGe)2 by Materials Project

TbCo2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to eight equivalent Co and eight equivalent Ge atoms. All Tb–Co bond lengths are 3.22 Å. All Tb–Ge bond lengths are 3.09 Å. Co is bonded to four equivalent Tb and four equivalent Ge atoms to form a mixture of distorted edge, face, and corner-sharing CoTb4Ge4 tetrahedra. All Co–Ge bond lengths are 2.34 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Tb, four equivalent Co, and one Ge atom. The Ge–Ge bond length is 2.60 Å.

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Materials Data on Tb(CuGe)2 by Materials Project

TbCu2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to eight equivalent Cu and eight equivalent Ge atoms. All Tb–Cu bond lengths are 3.29 Å. All Tb–Ge bond lengths are 3.12 Å. Cu is bonded to four equivalent Tb and four equivalent Ge atoms to form a mixture of distorted face, edge, and corner-sharing CuTb4Ge4 tetrahedra. All Cu–Ge bond lengths are 2.44 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Tb, four equivalent Cu, and one Ge atom. The Ge–Ge bond length is 2.47 Å.

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Materials Data on Tb(GePd)2 by Materials Project

TbPd2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Tb–Pd bond lengths are 3.33 Å. All Tb–Ge bond lengths are 3.26 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Tb and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.52 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Tb, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.44 Å.

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Materials Data on Tb(SiIr)2 by Materials Project

TbIr2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to eight equivalent Ir and eight equivalent Si atoms. All Tb–Ir bond lengths are 3.23 Å. All Tb–Si bond lengths are 3.14 Å. Ir is bonded to four equivalent Tb and four equivalent Si atoms to form a mixture of distorted edge, corner, and face-sharing IrTb4Si4 tetrahedra. All Ir–Si bond lengths are 2.41 Å. Si is bonded in a 9-coordinate geometry to four equivalent Tb, four equivalent Ir, and one Si atom. The Si–Si bond length is 2.43 Å.

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Materials Data on Tb(PRu)2 by Materials Project

TbRu2P2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to eight equivalent Ru and eight equivalent P atoms. All Tb–Ru bond lengths are 3.15 Å. All Tb–P bond lengths are 3.11 Å. Ru is bonded in a 12-coordinate geometry to four equivalent Tb and four equivalent P atoms. All Ru–P bond lengths are 2.36 Å. P is bonded in a 9-coordinate geometry to four equivalent Tb, four equivalent Ru, and one P atom. The P–P bond length is 2.41 Å.

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Materials Data on Tb(BO2)3 by Materials Project

Tb(BO2)3 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are four inequivalent Tb3+ sites. In the first Tb3+ site, Tb3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.34–2.67 Å. In the second Tb3+ site, Tb3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.31–2.56 Å. In the third Tb3+ site, Tb3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.29–2.89 Å. In the fourth Tb3+ site, Tb3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.29–2.63 Å. There are six inequivalent B3+ sites. In the first B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.46–1.52 Å. In the second B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.53 Å. In the third B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.53 Å. In the fourth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There is two shorter (1.47 Å) and two longer (1.48 Å) B–O bond length. In the fifth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.46–1.54 Å. In the sixth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.54 Å. There are fifteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two Tb3+ and two equivalent B3+ atoms. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Tb3+ and two equivalent B3+ atoms. In the third O2- site, O2- is bonded in a trigonal planar geometry to three B3+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Tb3+ and two B3+ atoms. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two Tb3+ and two B3+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Tb3+ and two B3+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Tb3+ and two B3+ atoms. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to one Tb3+ and two equivalent B3+ atoms. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to three Tb3+ and one B3+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Tb3+ and two B3+ atoms. In the eleventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Tb3+ and two equivalent B3+ atoms. In the twelfth O2- site, O2- is bonded in a 2-coordinate geometry to one Tb3+ and two B3+ atoms. In the thirteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Tb3+ and two equivalent B3+ atoms. In the fourteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Tb3+ and two B3+ atoms. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Tb3+ and two equivalent B3+ atoms.

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Materials Data on Tb(Ni2As)2 by Materials Project

TbNi4As2 crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. Tb is bonded to twelve equivalent Ni and six equivalent As atoms to form distorted face-sharing TbNi12As6 octahedra. There are four shorter (3.18 Å) and eight longer (3.21 Å) Tb–Ni bond lengths. There are two shorter (2.90 Å) and four longer (2.92 Å) Tb–As bond lengths. Ni is bonded in a 3-coordinate geometry to three equivalent Tb and three equivalent As atoms. There are two shorter (2.40 Å) and one longer (2.41 Å) Ni–As bond lengths. As is bonded in a 9-coordinate geometry to three equivalent Tb and six equivalent Ni atoms.

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Materials Data on Tb(NbSn)6 by Materials Project

Tb(NbSn)6 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Tb is bonded to eight Sn atoms to form distorted edge-sharing TbSn8 hexagonal bipyramids. There are two shorter (3.18 Å) and six longer (3.36 Å) Tb–Sn bond lengths. Nb is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Nb–Sn bond distances ranging from 2.92–3.01 Å. There are three inequivalent Sn sites. In the first Sn site, Sn is bonded in a 6-coordinate geometry to six equivalent Nb atoms. In the second Sn site, Sn is bonded in a 12-coordinate geometry to three equivalent Tb and six equivalent Nb atoms. In the third Sn site, Sn is bonded in a 8-coordinate geometry to one Tb, six equivalent Nb, and one Sn atom. The Sn–Sn bond length is 3.25 Å.

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Materials Data on Tb(Cd10Ni)2 by Materials Project

Tb(NiCd10)2 crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Tb is bonded in a 4-coordinate geometry to sixteen Cd atoms. There are four shorter (3.41 Å) and twelve longer (3.45 Å) Tb–Cd bond lengths. Ni is bonded to twelve Cd atoms to form NiCd12 cuboctahedra that share corners with six equivalent NiCd12 cuboctahedra, edges with eighteen equivalent CdTbCd10Ni cuboctahedra, and faces with six equivalent CdTbCd10Ni cuboctahedra. There are six shorter (2.79 Å) and six longer (3.08 Å) Ni–Cd bond lengths. There are three inequivalent Cd sites. In the first Cd site, Cd is bonded in a 2-coordinate geometry to two equivalent Ni and ten Cd atoms. There are a spread of Cd–Cd bond distances ranging from 2.95–3.11 Å. In the second Cd site, Cd is bonded to one Tb, one Ni, and ten Cd atoms to form CdTbCd10Ni cuboctahedra that share corners with fifteen equivalent CdTbCd10Ni cuboctahedra, edges with two equivalent CdTbCd10Ni cuboctahedra, edges with three equivalent NiCd12 cuboctahedra, a faceface with one NiCd12 cuboctahedra, and faces with fifteen equivalent CdTbCd10Ni cuboctahedra. There are a spread of Cd–Cd bond distances ranging from 2.90–3.35 Å. In the third Cd site, Cd is bonded in a distorted linear geometry to two equivalent Tb and twelve equivalent Cd atoms.

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Materials Data on Tb(ClO4)3 by Materials Project

Tb(O4Cl)3 crystallizes in the hexagonal P6_3/m space group. The structure is three-dimensional. Tb is bonded in a 9-coordinate geometry to nine O atoms. There are six shorter (2.39 Å) and three longer (2.51 Å) Tb–O bond lengths. There are three inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to one Tb and one Cl atom. The O–Cl bond length is 1.47 Å. In the second O site, O is bonded in a single-bond geometry to one Cl atom. The O–Cl bond length is 1.42 Å. In the third O site, O is bonded in a distorted bent 150 degrees geometry to one Tb and one Cl atom. The O–Cl bond length is 1.46 Å. Cl is bonded in a tetrahedral geometry to four O atoms.

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Determination of the 161 Tb half-life

There is significant interest in the use of terbium radioisotopes for applications in cancer therapy and diagnosis. Of these, 161 Tb, a medium energy beta- and prolific auger emitter, is being investigated as a potential alternative to 177 Lu. The higher proportion of conversion electron and Auger electron emissions, and variety of low-energy gammas make 161 Tb an attractive targeted theranostic. As a product of nuclear fission, 161 Tb is also of importance to nuclear forensics. The current evaluated half-life of 6.89(2) d has a standard uncertainty that contributes significantly to the standard uncertainty of decay calculated activity determination. Furthermore, the accuracy of this evaluated half-life has been called into question by measurements reported recently at the Institute of Radiation Physics (IRP), Switzerland. In this work, the half-life of 161 Tb was measured at three independent laboratories located in the United Kingdom and United States of America for a total of five determinations using three independent measurement techniques. In conclusion, the half-life determined for 161 Tb of 6.9637(29) d confirms the observed 1 % relative increase observed by IRP, though the reported half-lives in this work and at IRP are significantly different (ζ-score = 3.1).

half-life↗

Materials Data on Tb by Materials Project

Tb is Tungsten structured and crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Tb is bonded in a distorted body-centered cubic geometry to eight equivalent Tb atoms. All Tb–Tb bond lengths are 3.48 Å.

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Materials Data on Tb by Materials Project

Tb is Magnesium structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Tb is bonded to twelve equivalent Tb atoms to form a mixture of face, edge, and corner-sharing TbTb12 cuboctahedra. There are six shorter (3.53 Å) and six longer (3.64 Å) Tb–Tb bond lengths.

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Materials Data on Tb by Materials Project

Tb is Copper structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Tb is bonded to twelve equivalent Tb atoms to form a mixture of corner, edge, and face-sharing TbTb12 cuboctahedra. All Tb–Tb bond lengths are 3.56 Å.

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Structural and spectroscopic characterization of a Tb(IV) polyoxometalate

There has been a renaissance in high valent lanthanide chemistry, which has resulted in the first examples of tetravalent praseodymium (Pr) and terbium (Tb) in molecular systems. These feats have been achieved with tailored ligands that facilitate tetravalent lanthanide stability in non-aqueous conditions. The next step in realizing the potential of high valent lanthanide chemistry is moving towards complexes that are stable in ambient and aqueous conditions. In this investigation, we advance this paradigm by obtaining definitive evidence of Tb(IV) in a molecular system under aqueous conditions utilizing the lacunary Wells-Dawson polyoxometalate, K 10 P 2 W 17 O 61 •20H 2 O. Herein we present the single crystal structure of K 16 Tb(IV)(P 2 W 17 O 61 ) 2 •39.85H 2 O (Tb(IV)W 34 ) as well as extensive spectroscopic evidence obtained via UV–Vis-NIR, X-ray absorption near edge spectroscopy, continuous wave X-band electron paramagnetic resonance spectroscopy and SQUID magnetometry measurements to confirm the oxidation state of Tb in W 34 complexes as +4.

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗

Materials Data on Tb(MnSn)6 by Materials Project

TbMn6Sn6 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Tb is bonded to eight Sn atoms to form distorted edge-sharing TbSn8 hexagonal bipyramids. There are two shorter (3.00 Å) and six longer (3.15 Å) Tb–Sn bond lengths. Mn is bonded in a 12-coordinate geometry to six Sn atoms. There are a spread of Mn–Sn bond distances ranging from 2.74–2.83 Å. There are three inequivalent Sn sites. In the first Sn site, Sn is bonded in a 8-coordinate geometry to one Tb, six equivalent Mn, and one Sn atom. The Sn–Sn bond length is 3.00 Å. In the second Sn site, Sn is bonded in a 12-coordinate geometry to three equivalent Tb and six equivalent Mn atoms. In the third Sn site, Sn is bonded in a 6-coordinate geometry to six equivalent Mn atoms.

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Materials Data on Tb(MnGe)6 by Materials Project

TbMn6Ge6 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Tb is bonded to eight Ge atoms to form distorted edge-sharing TbGe8 hexagonal bipyramids. There are two shorter (2.81 Å) and six longer (3.00 Å) Tb–Ge bond lengths. Mn is bonded in a 12-coordinate geometry to six Ge atoms. There are a spread of Mn–Ge bond distances ranging from 2.53–2.71 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to three equivalent Tb and six equivalent Mn atoms. In the second Ge site, Ge is bonded in a 6-coordinate geometry to six equivalent Mn atoms. In the third Ge site, Ge is bonded in a 8-coordinate geometry to one Tb, six equivalent Mn, and one Ge atom. The Ge–Ge bond length is 2.54 Å.

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