SEARCH · Search NASA
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.
LaCd2 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. La is bonded to twelve equivalent Cd atoms to form a mixture of distorted edge and face-sharing LaCd12 cuboctahedra. All La–Cd bond lengths are 3.47 Å. Cd is bonded in a 9-coordinate geometry to six equivalent La and three equivalent Cd atoms. All Cd–Cd bond lengths are 2.98 Å.
La2Cd17 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent La sites. In the first La site, La is bonded in a 12-coordinate geometry to eighteen Cd atoms. There are a spread of La–Cd bond distances ranging from 3.55–3.98 Å. In the second La site, La is bonded in a 8-coordinate geometry to twenty Cd atoms. There are a spread of La–Cd bond distances ranging from 3.50–3.87 Å. There are four inequivalent Cd sites. In the first Cd site, Cd is bonded in a 1-coordinate geometry to one La and thirteen Cd atoms. There are a spread of Cd–Cd bond distances ranging from 3.04–3.40 Å. In the second Cd site, Cd is bonded to two equivalent La and ten Cd atoms to form a mixture of corner, edge, and face-sharing CdLa2Cd10 cuboctahedra. There are four shorter (2.98 Å) and four longer (3.02 Å) Cd–Cd bond lengths. In the third Cd site, Cd is bonded to two La and ten Cd atoms to form a mixture of distorted corner, edge, and face-sharing CdLa2Cd10 cuboctahedra. There are a spread of Cd–Cd bond distances ranging from 2.95–3.19 Å. In the fourth Cd site, Cd is bonded in a 12-coordinate geometry to three La and nine Cd atoms. Both Cd–Cd bond lengths are 2.89 Å.
LaCd is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. La is bonded in a body-centered cubic geometry to eight equivalent Cd atoms. All La–Cd bond lengths are 3.41 Å. Cd is bonded in a body-centered cubic geometry to eight equivalent La atoms.
LaCd3 is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. La is bonded in a distorted body-centered cubic geometry to fourteen Cd atoms. There are eight shorter (3.22 Å) and six longer (3.72 Å) La–Cd bond lengths. There are two inequivalent Cd sites. In the first Cd site, Cd is bonded in a distorted body-centered cubic geometry to four equivalent La and four equivalent Cd atoms. All Cd–Cd bond lengths are 3.22 Å. In the second Cd site, Cd is bonded in a 8-coordinate geometry to six equivalent La and eight equivalent Cd atoms.
La3Cd is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. La is bonded in a 12-coordinate geometry to eight equivalent La and four equivalent Cd atoms. There are a spread of La–La bond distances ranging from 3.44–3.85 Å. There are two shorter (3.46 Å) and two longer (3.65 Å) La–Cd bond lengths. Cd is bonded to twelve equivalent La atoms to form a mixture of corner and face-sharing CdLa12 cuboctahedra.
La3Cd is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. La is bonded to eight equivalent La and four equivalent Cd atoms to form distorted LaLa8Cd4 cuboctahedra that share corners with twelve equivalent LaLa8Cd4 cuboctahedra, edges with eight equivalent CdLa12 cuboctahedra, edges with sixteen equivalent LaLa8Cd4 cuboctahedra, faces with four equivalent CdLa12 cuboctahedra, and faces with fourteen equivalent LaLa8Cd4 cuboctahedra. All La–La bond lengths are 3.59 Å. All La–Cd bond lengths are 3.59 Å. Cd is bonded to twelve equivalent La atoms to form CdLa12 cuboctahedra that share corners with twelve equivalent CdLa12 cuboctahedra, edges with twenty-four equivalent LaLa8Cd4 cuboctahedra, faces with six equivalent CdLa12 cuboctahedra, and faces with twelve equivalent LaLa8Cd4 cuboctahedra.
LaCd11 crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. La is bonded in a 12-coordinate geometry to twenty Cd atoms. There are a spread of La–Cd bond distances ranging from 3.58–3.88 Å. There are five inequivalent Cd sites. In the first Cd site, Cd is bonded in a cuboctahedral geometry to twelve Cd atoms. All Cd–Cd bond lengths are 3.13 Å. In the second Cd site, Cd is bonded in a 9-coordinate geometry to three equivalent La and six Cd atoms. There are three shorter (2.94 Å) and three longer (2.95 Å) Cd–Cd bond lengths. In the third Cd site, Cd is bonded in a distorted q6 geometry to two equivalent La and eight Cd atoms. There are two shorter (2.92 Å) and four longer (3.02 Å) Cd–Cd bond lengths. In the fourth Cd site, Cd is bonded in a 10-coordinate geometry to one La and nine Cd atoms. All Cd–Cd bond lengths are 3.13 Å. In the fifth Cd site, Cd is bonded in a 10-coordinate geometry to one La and nine Cd atoms. The Cd–La bond length is 3.58 Å.