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.
AuAl is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Au is bonded in a body-centered cubic geometry to eight equivalent Al atoms. All Au–Al bond lengths are 2.79 Å. Al is bonded in a body-centered cubic geometry to eight equivalent Au atoms.
AuAl is Modderite structured and crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. there are two inequivalent Au sites. In the first Au site, Au is bonded in a 6-coordinate geometry to six Al atoms. There are a spread of Au–Al bond distances ranging from 2.64–2.76 Å. In the second Au site, Au is bonded in a 6-coordinate geometry to six Al atoms. There are a spread of Au–Al bond distances ranging from 2.62–2.76 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded in a 6-coordinate geometry to six Au atoms. In the second Al site, Al is bonded in a 6-coordinate geometry to six Au atoms.
Au4Al crystallizes in the cubic P2_13 space group. The structure is three-dimensional. there are two inequivalent Au sites. In the first Au site, Au is bonded in a 12-coordinate geometry to nine Au and three equivalent Al atoms. There are a spread of Au–Au bond distances ranging from 2.90–3.01 Å. There are a spread of Au–Al bond distances ranging from 2.76–3.11 Å. In the second Au site, Au is bonded in a distorted trigonal planar geometry to nine equivalent Au and three equivalent Al atoms. All Au–Al bond lengths are 2.63 Å. Al is bonded to twelve Au atoms to form a mixture of distorted face and corner-sharing AlAu12 cuboctahedra.
Au8Al3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. there are four inequivalent Au sites. In the first Au site, Au is bonded in a 4-coordinate geometry to four Al atoms. There are one shorter (2.63 Å) and three longer (2.85 Å) Au–Al bond lengths. In the second Au site, Au is bonded to four Al atoms to form a mixture of distorted corner and edge-sharing AuAl4 tetrahedra. There are one shorter (2.70 Å) and three longer (2.82 Å) Au–Al bond lengths. In the third Au site, Au is bonded to four Al atoms to form a mixture of distorted corner and edge-sharing AuAl4 tetrahedra. There are a spread of Au–Al bond distances ranging from 2.65–2.85 Å. In the fourth Au site, Au is bonded in a 3-coordinate geometry to three Al atoms. There are a spread of Au–Al bond distances ranging from 2.70–2.84 Å. There are three inequivalent Al sites. In the first Al site, Al is bonded in a body-centered cubic geometry to eight Au atoms. In the second Al site, Al is bonded in a distorted q6 geometry to ten Au atoms. In the third Al site, Al is bonded in a distorted q6 geometry to ten Au atoms.
AuAl2 is Fluorite structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Au is bonded in a body-centered cubic geometry to eight equivalent Al atoms. All Au–Al bond lengths are 2.63 Å. Al is bonded to four equivalent Au atoms to form a mixture of corner and edge-sharing AlAu4 tetrahedra.
Au2Al crystallizes in the orthorhombic Pnnm space group. The structure is three-dimensional. there are five inequivalent Au sites. In the first Au site, Au is bonded in a 4-coordinate geometry to five Al atoms. There are a spread of Au–Al bond distances ranging from 2.75–3.12 Å. In the second Au site, Au is bonded in a 4-coordinate geometry to four Al atoms. There are two shorter (2.70 Å) and two longer (2.74 Å) Au–Al bond lengths. In the third Au site, Au is bonded in a 5-coordinate geometry to five Al atoms. There are a spread of Au–Al bond distances ranging from 2.69–2.82 Å. In the fourth Au site, Au is bonded in a 4-coordinate geometry to four Al atoms. All Au–Al bond lengths are 2.73 Å. In the fifth Au site, Au is bonded in a 5-coordinate geometry to five Al atoms. There are a spread of Au–Al bond distances ranging from 2.79–2.85 Å. There are three inequivalent Al sites. In the first Al site, Al is bonded in a 8-coordinate geometry to ten Au atoms. In the second Al site, Al is bonded in a distorted q6 geometry to nine Au atoms. In the third Al site, Al is bonded in a distorted q6 geometry to nine Au atoms.
Au2Al crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Au sites. In the first Au site, Au is bonded in a 5-coordinate geometry to five equivalent Al atoms. There are a spread of Au–Al bond distances ranging from 2.71–2.89 Å. In the second Au site, Au is bonded in a 4-coordinate geometry to four equivalent Al atoms. There are two shorter (2.66 Å) and two longer (2.72 Å) Au–Al bond lengths. Al is bonded in a distorted q6 geometry to nine Au atoms.
Au2Al crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Au is bonded in a 10-coordinate geometry to five equivalent Al atoms. There are four shorter (2.76 Å) and one longer (3.09 Å) Au–Al bond lengths. Al is bonded in a 10-coordinate geometry to ten equivalent Au atoms.
AuAl3 is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Au is bonded to twelve Al atoms to form a mixture of corner, edge, and face-sharing AuAl12 cuboctahedra. There are four shorter (2.86 Å) and eight longer (2.87 Å) Au–Al bond lengths. There are two inequivalent Al sites. In the first Al site, Al is bonded to four equivalent Au atoms to form a mixture of distorted corner and edge-sharing AlAu4 cuboctahedra. In the second Al site, Al is bonded in a distorted square co-planar geometry to four equivalent Au atoms.
Au4Al crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Au sites. In the first Au site, Au is bonded in a 3-coordinate geometry to three equivalent Au and three equivalent Al atoms. There are one shorter (2.96 Å) and two longer (2.97 Å) Au–Au bond lengths. There are one shorter (2.58 Å) and two longer (2.68 Å) Au–Al bond lengths. In the second Au site, Au is bonded in a distorted q6 geometry to ten Au atoms. There are a spread of Au–Au bond distances ranging from 2.88–2.97 Å. Al is bonded in a 6-coordinate geometry to six equivalent Au atoms.
Au3Al is Uranium Silicide-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Au1- is bonded in a distorted see-saw-like geometry to four equivalent Al3+ atoms. There are two shorter (2.89 Å) and two longer (2.91 Å) Au–Al bond lengths. Al3+ is bonded to twelve equivalent Au1- atoms to form a mixture of face and corner-sharing AlAu12 cuboctahedra.