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.
LaSb is Tetraauricupride structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. La3+ is bonded in a body-centered cubic geometry to eight equivalent Sb3- atoms. All La–Sb bond lengths are 3.43 Å. Sb3- is bonded in a body-centered cubic geometry to eight equivalent La3+ atoms.
LaSb is Halite, Rock Salt structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. La3+ is bonded to six equivalent Sb3- atoms to form a mixture of edge and corner-sharing LaSb6 octahedra. The corner-sharing octahedral tilt angles are 0°. All La–Sb bond lengths are 3.28 Å. Sb3- is bonded to six equivalent La3+ atoms to form a mixture of edge and corner-sharing SbLa6 octahedra. The corner-sharing octahedral tilt angles are 0°.
La4Sb3 crystallizes in the cubic I-43d space group. The structure is three-dimensional. La+2.25+ is bonded to six equivalent Sb3- atoms to form a mixture of distorted corner, edge, and face-sharing LaSb6 octahedra. The corner-sharing octahedra tilt angles range from 19–49°. There are three shorter (3.24 Å) and three longer (3.50 Å) La–Sb bond lengths. Sb3- is bonded to eight equivalent La+2.25+ atoms to form a mixture of distorted corner, edge, and face-sharing SbLa8 hexagonal bipyramids.
La2Sb crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent La sites. In the first La site, La is bonded to five equivalent Sb atoms to form a mixture of distorted corner and edge-sharing LaSb5 trigonal bipyramids. There are one shorter (3.36 Å) and four longer (3.38 Å) La–Sb bond lengths. In the second La site, La is bonded in a 4-coordinate geometry to four equivalent Sb atoms. All La–Sb bond lengths are 3.42 Å. Sb is bonded in a 9-coordinate geometry to nine La atoms.