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Materials Data on BaPb by Materials Project

BaPb1 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Ba is bonded in a 7-coordinate geometry to seven equivalent Pb atoms. There are a spread of Ba–Pb bond distances ranging from 3.71–3.84 Å. Pb is bonded in a 9-coordinate geometry to seven equivalent Ba and two equivalent Pb atoms. Both Pb–Pb bond lengths are 3.18 Å.

36 MATERIALS SCIENCE↗

Materials Data on Ba2Pb by Materials Project

Ba2Pb is Cotunnite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded in a 3-coordinate geometry to five equivalent Pb atoms. There are a spread of Ba–Pb bond distances ranging from 3.68–4.26 Å. In the second Ba site, Ba is bonded to four equivalent Pb atoms to form a mixture of edge and corner-sharing BaPb4 tetrahedra. There are a spread of Ba–Pb bond distances ranging from 3.54–3.64 Å. Pb is bonded in a 9-coordinate geometry to nine Ba atoms.

36 MATERIALS SCIENCE↗

Materials Data on BaPb3 by Materials Project

BaPb3 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded to twelve Pb atoms to form a mixture of face and corner-sharing BaPb12 cuboctahedra. There are three shorter (3.72 Å) and nine longer (3.73 Å) Ba–Pb bond lengths. In the second Ba site, Ba is bonded to twelve Pb atoms to form a mixture of face and corner-sharing BaPb12 cuboctahedra. There are six shorter (3.72 Å) and six longer (3.77 Å) Ba–Pb bond lengths. There are two inequivalent Pb sites. In the first Pb site, Pb is bonded in a 4-coordinate geometry to four Ba and six Pb atoms. There are a spread of Pb–Pb bond distances ranging from 3.25–3.53 Å. In the second Pb site, Pb is bonded in a distorted square co-planar geometry to four Ba and four equivalent Pb atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba5Pb3 by Materials Project

Ba5Pb3 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded to five Pb atoms to form a mixture of distorted face, edge, and corner-sharing BaPb5 trigonal bipyramids. There are a spread of Ba–Pb bond distances ranging from 3.65–3.88 Å. In the second Ba site, Ba is bonded in a square co-planar geometry to four equivalent Pb atoms. All Ba–Pb bond lengths are 3.66 Å. There are two inequivalent Pb sites. In the first Pb site, Pb is bonded in a 9-coordinate geometry to eight Ba and one Pb atom. The Pb–Pb bond length is 3.11 Å. In the second Pb site, Pb is bonded in a 8-coordinate geometry to eight equivalent Ba atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba3Pb5 by Materials Project

Ba3Pb5 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded in a 9-coordinate geometry to nine Pb atoms. There are a spread of Ba–Pb bond distances ranging from 3.57–3.97 Å. In the second Ba site, Ba is bonded in a 10-coordinate geometry to ten Pb atoms. There are a spread of Ba–Pb bond distances ranging from 3.67–3.92 Å. There are three inequivalent Pb sites. In the first Pb site, Pb is bonded in a 9-coordinate geometry to six Ba and three Pb atoms. All Pb–Pb bond lengths are 3.23 Å. In the second Pb site, Pb is bonded in a 6-coordinate geometry to six Ba and three Pb atoms. The Pb–Pb bond length is 3.35 Å. In the third Pb site, Pb is bonded in a 5-coordinate geometry to five Ba and four Pb atoms.

36 MATERIALS SCIENCE↗

Materials Data on BaPb3 by Materials Project

BaPb3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ba is bonded to twelve equivalent Pb atoms to form a mixture of corner and face-sharing BaPb12 cuboctahedra. All Ba–Pb bond lengths are 3.65 Å. Pb is bonded in a square co-planar geometry to four equivalent Ba atoms.

36 MATERIALS SCIENCE↗