SEARCH · Engineering Papers
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
DyB12 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Dy is bonded in a 1-coordinate geometry to twenty-four equivalent B atoms. All Dy–B bond lengths are 2.79 Å. B is bonded in a 7-coordinate geometry to two equivalent Dy and five equivalent B atoms. There is one shorter (1.72 Å) and four longer (1.79 Å) B–B bond length.
DyB2 is hexagonal omega structure structured and crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Dy is bonded to twelve equivalent B atoms to form a mixture of edge and face-sharing DyB12 cuboctahedra. All Dy–B bond lengths are 2.71 Å. B is bonded in a 9-coordinate geometry to six equivalent Dy and three equivalent B atoms. All B–B bond lengths are 1.90 Å.
Dy2RuB6 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are two inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded in a 12-coordinate geometry to fourteen B2- atoms. There are a spread of Dy–B bond distances ranging from 2.73–2.81 Å. In the second Dy3+ site, Dy3+ is bonded to twelve B2- atoms to form a mixture of edge and face-sharing DyB12 cuboctahedra. There are a spread of Dy–B bond distances ranging from 2.60–2.63 Å. Ru6+ is bonded in a 10-coordinate geometry to ten B2- atoms. There are a spread of Ru–B bond distances ranging from 2.34–2.41 Å. There are six inequivalent B2- sites. In the first B2- site, B2- is bonded in a 9-coordinate geometry to four equivalent Dy3+, two equivalent Ru6+, and three B2- atoms. There are a spread of B–B bond distances ranging from 1.78–1.84 Å. In the second B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Ru6+, and three B2- atoms. Both B–B bond lengths are 1.81 Å. In the third B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Ru6+, and three B2- atoms. There is one shorter (1.73 Å) and one longer (1.88 Å) B–B bond length. In the fourth B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Ru6+, and three B2- atoms. There is one shorter (1.79 Å) and one longer (1.80 Å) B–B bond length. In the fifth B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Ru6+, and three B2- atoms. In the sixth B2- site, B2- is bonded in a 9-coordinate geometry to six Dy3+ and three B2- atoms. The B–B bond length is 2.12 Å.
Dy2ReB6 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are two inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded in a 4-coordinate geometry to fourteen B2- atoms. There are a spread of Dy–B bond distances ranging from 2.75–2.83 Å. In the second Dy3+ site, Dy3+ is bonded to twelve B2- atoms to form a mixture of face and edge-sharing DyB12 cuboctahedra. There are a spread of Dy–B bond distances ranging from 2.60–2.63 Å. Re6+ is bonded in a 10-coordinate geometry to ten B2- atoms. There are a spread of Re–B bond distances ranging from 2.36–2.41 Å. There are six inequivalent B2- sites. In the first B2- site, B2- is bonded in a 9-coordinate geometry to six Dy3+ and three B2- atoms. There are a spread of B–B bond distances ranging from 1.85–1.98 Å. In the second B2- site, B2- is bonded in a 3-coordinate geometry to four equivalent Dy3+, two equivalent Re6+, and three B2- atoms. There are a spread of B–B bond distances ranging from 1.80–1.84 Å. In the third B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Re6+, and three B2- atoms. The B–B bond length is 1.82 Å. In the fourth B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Re6+, and three B2- atoms. There is one shorter (1.74 Å) and one longer (1.86 Å) B–B bond length. In the fifth B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Re6+, and three B2- atoms. The B–B bond length is 1.80 Å. In the sixth B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Re6+, and three B2- atoms.
Dy2OsB6 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are two inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded in a 6-coordinate geometry to fourteen B2- atoms. There are a spread of Dy–B bond distances ranging from 2.73–2.82 Å. In the second Dy3+ site, Dy3+ is bonded to twelve B2- atoms to form a mixture of edge and face-sharing DyB12 cuboctahedra. There are four shorter (2.61 Å) and eight longer (2.63 Å) Dy–B bond lengths. Os6+ is bonded in a 10-coordinate geometry to ten B2- atoms. There are a spread of Os–B bond distances ranging from 2.35–2.41 Å. There are six inequivalent B2- sites. In the first B2- site, B2- is bonded in a 9-coordinate geometry to four equivalent Dy3+, two equivalent Os6+, and three B2- atoms. There are a spread of B–B bond distances ranging from 1.78–1.84 Å. In the second B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Os6+, and three B2- atoms. Both B–B bond lengths are 1.81 Å. In the third B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Os6+, and three B2- atoms. There is one shorter (1.73 Å) and one longer (1.88 Å) B–B bond length. In the fourth B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Os6+, and three B2- atoms. There is one shorter (1.79 Å) and one longer (1.80 Å) B–B bond length. In the fifth B2- site, B2- is bonded in a 9-coordinate geometry to four Dy3+, two equivalent Os6+, and three B2- atoms. In the sixth B2- site, B2- is bonded in a 9-coordinate geometry to six Dy3+ and three B2- atoms. The B–B bond length is 2.16 Å.
Dy2B36Si7C(Si)2 crystallizes in the monoclinic Cm space group. The structure is three-dimensional and consists of four silicon molecules and one Dy2B36Si7C framework. In the Dy2B36Si7C framework, Dy3+ is bonded to twelve B+0.83- atoms to form corner-sharing DyB12 cuboctahedra. There are a spread of Dy–B bond distances ranging from 2.77–2.96 Å. There are twenty inequivalent B+0.83- sites. In the first B+0.83- site, B+0.83- is bonded in a 1-coordinate geometry to one Dy3+, five B+0.83-, and one Si+3.11+ atom. There are a spread of B–B bond distances ranging from 1.76–1.81 Å. The B–Si bond length is 2.05 Å. In the second B+0.83- site, B+0.83- is bonded in a 1-coordinate geometry to two equivalent Dy3+, five B+0.83-, and one Si+3.11+ atom. There are a spread of B–B bond distances ranging from 1.76–1.83 Å. The B–Si bond length is 2.11 Å. In the third B+0.83- site, B+0.83- is bonded in a 1-coordinate geometry to one Dy3+, five B+0.83-, and one Si+3.11+ atom. There are a spread of B–B bond distances ranging from 1.77–1.87 Å. The B–Si bond length is 2.06 Å. In the fourth B+0.83- site, B+0.83- is bonded in a 1-coordinate geometry to two equivalent Dy3+, five B+0.83-, and one Si+3.11+ atom. There are a spread of B–B bond distances ranging from 1.80–1.87 Å. The B–Si bond length is 2.12 Å. In the fifth B+0.83- site, B+0.83- is bonded in a 6-coordinate geometry to six B+0.83- atoms. There are a spread of B–B bond distances ranging from 1.75–1.83 Å. In the sixth B+0.83- site, B+0.83- is bonded in a 7-coordinate geometry to one Dy3+ and six B+0.83- atoms. There are a spread of B–B bond distances ranging from 1.79–1.82 Å. In the seventh B+0.83- site, B+0.83- is bonded in a 7-coordinate geometry to one Dy3+ and six B+0.83- atoms. There is three shorter (1.81 Å) and one longer (1.82 Å) B–B bond length. In the eighth B+0.83- site, B+0.83- is bonded in a 6-coordinate geometry to six B+0.83- atoms. There are a spread of B–B bond distances ranging from 1.70–1.82 Å. In the ninth B+0.83- site, B+0.83- is bonded in a 7-coordinate geometry to one Dy3+ and six B+0.83- atoms. There are a spread of B–B bond distances ranging from 1.73–1.83 Å. In the tenth B+0.83- site, B+0.83- is bonded in a 7-coordinate geometry to one Dy3+ and six B+0.83- atoms. There are a spread of B–B bond distances ranging from 1.78–1.82 Å. In the eleventh B+0.83- site, B+0.83- is bonded in a 6-coordinate geometry to five B+0.83- and one Si+3.11+ atom. There is one shorter (1.74 Å) and one longer (1.76 Å) B–B bond length. The B–Si bond length is 1.96 Å. In the twelfth B+0.83- site, B+0.83- is bonded in a 1-coordinate geometry to five B+0.83- and one Si+3.11+ atom. Both B–B bond lengths are 1.77 Å. The B–Si bond length is 1.95 Å. In the thirteenth B+0.83- site, B+0.83- is bonded in a distorted single-bond geometry to five B+0.83- and one C4- atom. There is one shorter (1.79 Å) and one longer (1.81 Å) B–B bond length. The B–C bond length is 1.63 Å. In the fourteenth B+0.83- site, B+0.83- is bonded in a distorted single-bond geometry to five B+0.83- and one C4- atom. Both B–B bond lengths are 1.82 Å. The B–C bond length is 1.62 Å. In the fifteenth B+0.83- site, B+0.83- is bonded in a 1-coordinate geometry to one Dy3+, five B+0.83-, and one Si+3.11+ atom. The B–B bond length is 1.78 Å. The B–Si bond length is 2.05 Å. In the sixteenth B+0.83- site, B+0.83- is bonded in a 6-coordinate geometry to five B+0.83- and one Si+3.11+ atom. The B–B bond length is 1.78 Å. The B–Si bond length is 2.02 Å. In the seventeenth B+0.83- site, B+0.83- is bonded in a 1-coordinate geometry to one Dy3+, five B+0.83-, and one Si+3.11+ atom. The B–B bond length is 1.80 Å. The B–Si bond length is 2.10 Å. In the eighteenth B+0.83- site, B+0.83- is bonded in a 1-coordinate geometry to one Dy3+, five B+0.83-, and one Si+3.11+ atom. The B–Si bond length is 2.04 Å. In the nineteenth B+0.83- site, B+0.83- is bonded in a 1-coordinate geometry to five B+0.83- and one Si+3.11+ atom. The B–Si bond length is 2.01 Å. In the twentieth B+0.83- site, B+0.83- is bonded in a 1-coordinate geometry to one Dy3+, five B+0.83-, and one Si+3.11+ atom. The B–Si bond length is 2.08 Å. There are five inequivalent Si+3.11+ sites. In the first Si+3.11+ site, Si+3.11+ is bonded in a trigonal non-coplanar geometry to three B+0.83- atoms. In the second Si+3.11+ site, Si+3.11+ is bonded in a trigonal non-coplanar geometry to three B+0.83- atoms. In the third Si+3.11+ site, Si+3.11+ is bonded in a trigonal non-coplanar geometry to three B+0.83- atoms. In the fourth Si+3.11+ site, Si+3.11+ is bonded in a trigonal non-coplanar geometry to three B+0.83- atoms. In the fifth Si+3.11+ site, Si+3.11+ is bonded in a distorted tetrahedral geometry to three B+0.83- and one C4- atom. The Si–C bond length is 1.84 Å. C4- is bonded in a tetrahedral geometry to three B+0.83- and one Si+3.11+ atom.