Materials Data on CaCO3 by Materials Project

doi:10.17188/1271365

Title: Materials Data on CaCO3 by Materials Project

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Abstract

CaCO3 is Calcite-like structured and crystallizes in the hexagonal P6_522 space group. The structure is three-dimensional. there are three inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing CaO6 octahedra. The corner-sharing octahedra tilt angles range from 48–68°. There are a spread of Ca–O bond distances ranging from 2.33–2.46 Å. In the second Ca2+ site, Ca2+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing CaO6 pentagonal pyramids. The corner-sharing octahedral tilt angles are 64°. There are four shorter (2.38 Å) and two longer (2.41 Å) Ca–O bond lengths. In the third Ca2+ site, Ca2+ is bonded to six O2- atoms to form distorted corner-sharing CaO6 octahedra. The corner-sharing octahedra tilt angles range from 48–68°. There are a spread of Ca–O bond distances ranging from 2.36–2.45 Å. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.30 Å. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths aremore »« less

Publication Date:: Fri May 29 00:00:00 EDT 2020

Other Number(s):: mp-560265

DOE Contract Number:: AC02-05CH11231

Research Org.:: LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)

Collaborations:: The Materials Project; MIT; UC Berkeley; Duke; U Louvain

Subject:: 36 MATERIALS SCIENCE; C-Ca-O; CaCO3; crystal structure

OSTI Identifier:: 1271365

DOI:: https://doi.org/10.17188/1271365

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                    Materials Data on CaCO3 by Materials Project.  United States: N. p., 2020. 
        Web.  doi:10.17188/1271365.

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                    Materials Data on CaCO3 by Materials Project.  United States.  doi:https://doi.org/10.17188/1271365

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                    2020.  
"Materials Data on CaCO3 by Materials Project".  United States.  doi:https://doi.org/10.17188/1271365.  https://www.osti.gov/servlets/purl/1271365. Pub date:Fri May 29 00:00:00 EDT 2020

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@article{osti_1271365,

  title        = {Materials Data on CaCO3 by Materials Project},

  
  abstractNote = {CaCO3 is Calcite-like structured and crystallizes in the hexagonal P6_522 space group. The structure is three-dimensional. there are three inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing CaO6 octahedra. The corner-sharing octahedra tilt angles range from 48–68°. There are a spread of Ca–O bond distances ranging from 2.33–2.46 Å. In the second Ca2+ site, Ca2+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing CaO6 pentagonal pyramids. The corner-sharing octahedral tilt angles are 64°. There are four shorter (2.38 Å) and two longer (2.41 Å) Ca–O bond lengths. In the third Ca2+ site, Ca2+ is bonded to six O2- atoms to form distorted corner-sharing CaO6 octahedra. The corner-sharing octahedra tilt angles range from 48–68°. There are a spread of Ca–O bond distances ranging from 2.36–2.45 Å. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.30 Å. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.30 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two Ca2+ and one C4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one C4+ atom. In the third O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Ca2+ and one C4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one C4+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one C4+ atom.},

  doi          = {10.17188/1271365},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Fri May 29 00:00:00 EDT 2020},

  month        = {Fri May 29 00:00:00 EDT 2020}

}

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DOI: https://doi.org/10.17188/1271365

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Materials Data on CaCO3 by Materials Project

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CaCO3 crystallizes in the orthorhombic Pmmn space group. The structure is three-dimensional. Ca2+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Ca–O bond distances ranging from 2.47–3.03 Å. C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.29 Å) and one longer (1.31 Å) C–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to four equivalent Ca2+ and one C4+ atom. In the second O2- site, O2- is bonded in a distorted single-bondmore »« less
Materials Data on CaCO3 by Materials Project

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CaCO3 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ca2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ca–O bond distances ranging from 2.43–2.69 Å. C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.29 Å) and two longer (1.30 Å) C–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Ca2+ and one C4+ atom. In the second O2- site, O2- is bonded in a distorted single-bondmore »« less
Materials Data on CaCO3 by Materials Project

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CaCO3 is Calcite structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Ca2+ is bonded to six equivalent O2- atoms to form corner-sharing CaO6 octahedra. The corner-sharing octahedral tilt angles are 62°. All Ca–O bond lengths are 2.39 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 two equivalent Ca2+ and one C4+ atom.
Materials Data on CaCO3 by Materials Project

Dataset

CaCO3 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.19–3.00 Å. C4+ is bonded in a single-bond geometry to one O2- atom. The C–O bond length is 1.15 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to three equivalent Ca2+ and two equivalent O2- atoms. Both O–O bond lengths are 1.91 Å. In the second O2- site, O2- is bonded in a single-bond geometry tomore » two equivalent Ca2+ and one C4+ atom.« less
Materials Data on CaCO3 by Materials Project

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CaCO3 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional and consists of four formaldehyde molecules and one CaO2 framework. In the CaO2 framework, Ca2+ is bonded in a distorted square co-planar geometry to four equivalent O2- atoms. There are two shorter (2.43 Å) and two longer (2.44 Å) Ca–O bond lengths. O2- is bonded in a 3-coordinate geometry to two equivalent Ca2+ and one O2- atom. The O–O bond length is 1.47 Å.

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