Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “calcite”

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.

At least 379 records · Page 21

Materials Data on InBO3 by Materials Project

InBO3 is Calcite structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. In3+ is bonded to six equivalent O2- atoms to form corner-sharing InO6 octahedra. The corner-sharing octahedral tilt angles are 58°. All In–O bond lengths are 2.20 Å. B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.39 Å. O2- is bonded in a distorted trigonal planar geometry to two equivalent In3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on NdAl3(BO3)4 by Materials Project

NdAl3(BO3)4 is Calcite-derived structured and crystallizes in the trigonal R32 space group. The structure is three-dimensional. Nd3+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Nd–O bond lengths are 2.40 Å. Al3+ is bonded to six O2- atoms to form edge-sharing AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.87–1.97 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.37 Å) and one longer (1.40 Å) B–O bond length. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.40 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Nd3+, one Al3+, and one B3+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Al3+ and one B3+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Al3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on RbNO3 by Materials Project

RbNO3 is Calcite-like structured and crystallizes in the trigonal R32 space group. The structure is three-dimensional. Rb1+ is bonded to six equivalent O2- atoms to form distorted corner-sharing RbO6 octahedra. The corner-sharing octahedral tilt angles are 75°. All Rb–O bond lengths are 2.97 Å. N5+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All N–O bond lengths are 1.27 Å. O2- is bonded in a distorted trigonal planar geometry to two equivalent Rb1+ and one N5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiAgF4 by Materials Project

LiAgF4 is Calcite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. Li1+ is bonded to six F1- atoms to form LiF6 octahedra that share corners with eight equivalent AgF6 octahedra and edges with two equivalent LiF6 octahedra. The corner-sharing octahedra tilt angles range from 52–55°. There are a spread of Li–F bond distances ranging from 2.02–2.14 Å. Ag3+ is bonded to six F1- atoms to form AgF6 octahedra that share corners with eight equivalent LiF6 octahedra and edges with two equivalent AgF6 octahedra. The corner-sharing octahedra tilt angles range from 52–55°. There are a spread of Ag–F bond distances ranging from 1.98–2.20 Å. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a trigonal planar geometry to two equivalent Li1+ and one Ag3+ atom. In the second F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two equivalent Ag3+ atoms. In the third F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two equivalent Ag3+ atoms. In the fourth F1- site, F1- is bonded in a trigonal planar geometry to two equivalent Li1+ and one Ag3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on HoBO3 by Materials Project

HoBO3 is Calcite structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Ho3+ is bonded to six equivalent O2- atoms to form corner-sharing HoO6 octahedra. The corner-sharing octahedral tilt angles are 58°. All Ho–O bond lengths are 2.29 Å. B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.39 Å. O2- is bonded in a distorted trigonal planar geometry to two equivalent Ho3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiBi(BO3)2 by Materials Project

LiBi(BO3)2 is Calcite-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with six equivalent BiO6 octahedra. The corner-sharing octahedra tilt angles range from 56–57°. There are a spread of Li–O bond distances ranging from 2.13–2.42 Å. B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.38 Å) and two longer (1.39 Å) B–O bond length. Bi5+ is bonded to six O2- atoms to form BiO6 octahedra that share corners with six equivalent LiO6 octahedra. The corner-sharing octahedra tilt angles range from 56–57°. All Bi–O bond lengths are 2.16 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one B3+, and one Bi5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one B3+, and one Bi5+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one B3+, and one Bi5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LuBO3 by Materials Project

LuBO3 is Calcite structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Lu3+ is bonded to six equivalent O2- atoms to form corner-sharing LuO6 octahedra. The corner-sharing octahedral tilt angles are 57°. All Lu–O bond lengths are 2.24 Å. B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.39 Å. O2- is bonded in a distorted trigonal planar geometry to two equivalent Lu3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiCuF3 by Materials Project

LiCuF3 is Calcite structured and crystallizes in the trigonal R3c space group. The structure is three-dimensional. Li1+ is bonded to six equivalent F1- atoms to form distorted LiF6 octahedra that share corners with three equivalent CuF6 octahedra, corners with six equivalent LiF6 octahedra, edges with three equivalent CuF6 octahedra, and a faceface with one CuF6 octahedra. The corner-sharing octahedra tilt angles range from 52–59°. There are three shorter (1.97 Å) and three longer (2.23 Å) Li–F bond lengths. Cu2+ is bonded to six equivalent F1- atoms to form CuF6 octahedra that share corners with three equivalent LiF6 octahedra, corners with six equivalent CuF6 octahedra, edges with three equivalent LiF6 octahedra, and a faceface with one LiF6 octahedra. The corner-sharing octahedra tilt angles range from 44–59°. There are three shorter (2.02 Å) and three longer (2.05 Å) Cu–F bond lengths. F1- is bonded to two equivalent Li1+ and two equivalent Cu2+ atoms to form a mixture of distorted corner and edge-sharing FLi2Cu2 trigonal pyramids.

36 MATERIALS SCIENCE↗

Materials Data on LiAgF3 by Materials Project

LiAgF3 is Calcite structured and crystallizes in the trigonal R3c space group. The structure is three-dimensional. Li1+ is bonded in a 3-coordinate geometry to six equivalent F1- atoms. There are three shorter (1.95 Å) and three longer (2.48 Å) Li–F bond lengths. Ag2+ is bonded to six equivalent F1- atoms to form corner-sharing AgF6 octahedra. The corner-sharing octahedral tilt angles are 51°. There are three shorter (2.23 Å) and three longer (2.24 Å) Ag–F bond lengths. F1- is bonded in a 4-coordinate geometry to two equivalent Li1+ and two equivalent Ag2+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on LuBO3 by Materials Project

LuBO3 is Calcite-like structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Lu3+ sites. In the first Lu3+ site, Lu3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing LuO6 octahedra. The corner-sharing octahedral tilt angles are 55°. There are four shorter (2.23 Å) and two longer (2.24 Å) Lu–O bond lengths. In the second Lu3+ site, Lu3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing LuO6 octahedra. The corner-sharing octahedral tilt angles are 55°. There are four shorter (2.23 Å) and two longer (2.24 Å) Lu–O bond lengths. B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.37 Å) and two longer (1.39 Å) B–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to two Lu3+ and one B3+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Lu3+ and one B3+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Lu3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on MnBO3 by Materials Project

MnBO3 is Calcite structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Mn3+ is bonded to six equivalent O2- atoms to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles are 55°. All Mn–O bond lengths are 2.08 Å. B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.39 Å. O2- is bonded in a trigonal planar geometry to two equivalent Mn3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiV(CO3)2 by Materials Project

LiV(CO3)2 is Calcite-derived structured and crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Li1+ is bonded to six equivalent O2- atoms to form LiO6 octahedra that share corners with six equivalent VO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All Li–O bond lengths are 2.21 Å. V3+ is bonded to six equivalent O2- atoms to form VO6 octahedra that share corners with six equivalent LiO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All V–O bond lengths are 2.06 Å. C4+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All C–O bond lengths are 1.30 Å. O2- is bonded in a trigonal planar geometry to one Li1+, one V3+, and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiV(CO3)2 by Materials Project

LiV(CO3)2 is Calcite-derived structured and crystallizes in the trigonal R32 space group. The structure is three-dimensional. Li1+ is bonded to six equivalent O2- atoms to form distorted LiO6 pentagonal pyramids that share corners with six equivalent VO6 pentagonal pyramids. All Li–O bond lengths are 2.29 Å. V3+ is bonded to six equivalent O2- atoms to form distorted VO6 pentagonal pyramids that share corners with six equivalent LiO6 pentagonal pyramids. All V–O bond lengths are 2.07 Å. C4+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All C–O bond lengths are 1.30 Å. O2- is bonded in a distorted trigonal planar geometry to one Li1+, one V3+, and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiV(CO3)2 by Materials Project

LiV(CO3)2 is Calcite-derived structured and crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. Li1+ is bonded to six O2- atoms to form distorted LiO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with two equivalent VO6 octahedra, and an edgeedge with one VO6 octahedra. The corner-sharing octahedra tilt angles range from 50–70°. There are a spread of Li–O bond distances ranging from 2.01–2.52 Å. V3+ is bonded to six O2- atoms to form VO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with two equivalent VO6 octahedra, and an edgeedge with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 50–61°. There are a spread of V–O bond distances ranging from 2.00–2.22 Å. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.26–1.33 Å. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.27–1.33 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Li1+ and one C4+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one V3+, and one C4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one V3+, and one C4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Li1+, one V3+, and one C4+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one V3+, and one C4+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent V3+ and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiMn(CO3)2 by Materials Project

LiMn(CO3)2 is Calcite-derived structured and crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Li1+ is bonded to six equivalent O2- atoms to form LiO6 octahedra that share corners with six equivalent MnO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All Li–O bond lengths are 2.22 Å. Mn3+ is bonded to six equivalent O2- atoms to form MnO6 octahedra that share corners with six equivalent LiO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All Mn–O bond lengths are 2.10 Å. C4+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All C–O bond lengths are 1.29 Å. O2- is bonded in a trigonal planar geometry to one Li1+, one Mn3+, and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiCr(CO3)2 by Materials Project

LiCr(CO3)2 is Calcite-derived structured and crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Li1+ is bonded to six equivalent O2- atoms to form LiO6 octahedra that share corners with six equivalent CrO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All Li–O bond lengths are 2.21 Å. Cr3+ is bonded to six equivalent O2- atoms to form CrO6 octahedra that share corners with six equivalent LiO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All Cr–O bond lengths are 2.03 Å. C4+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All C–O bond lengths are 1.29 Å. O2- is bonded in a trigonal planar geometry to one Li1+, one Cr3+, and one C4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on AgBO3 by Materials Project

AgBO3 is Calcite structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Ag3+ is bonded to six equivalent O2- atoms to form corner-sharing AgO6 octahedra. The corner-sharing octahedral tilt angles are 58°. All Ag–O bond lengths are 2.21 Å. B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.38 Å. O2- is bonded in a distorted trigonal planar geometry to two equivalent Ag3+ and one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on SrSn(BO3)2 by Materials Project

SrSn(BO3)2 is Calcite-derived structured and crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Sr2+ is bonded to six equivalent O2- atoms to form SrO6 octahedra that share corners with six equivalent SnO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All Sr–O bond lengths are 2.56 Å. B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.39 Å. Sn4+ is bonded to six equivalent O2- atoms to form SnO6 octahedra that share corners with six equivalent SrO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All Sn–O bond lengths are 2.09 Å. O2- is bonded in a distorted trigonal planar geometry to one Sr2+, one B3+, and one Sn4+ atom.

36 MATERIALS SCIENCE↗