Inorganic Solid Phases

CaC2 I (CaC2 tet, T = 83 K) Crystal Structure

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General Information

  • Phase Label(s): CaC2 tet
  • Structure Class(es): –
  • Classification by Properties: –
  • Mineral Name(s): –
  • Pearson Symbol: tI6
  • Space Group: 139
  • Phase Prototype: CaC2
  • Measurement Detail(s): automatic diffractometer; 17 (determination of cell parameters), automatic diffractometer; Germany, Hamburg, Deutsches Elektronen-Synchrotron DESY, HASYLAB, DORIS III reactor, B2 (determination of structural parameters), X-rays, synchrotron; λ = 0.120635 nm (determination of cell and structural parameters), T = 83 K (determination of cell and structural parameters)
  • Phase Class(es): –
  • Compound Class(es): carbide
  • Interpretation Detail(s): complete structure determined; temperature dependence studied, Rietveld refinement, multiphase; 44 variables; 17 reflections, RP = 0.1287; wRP = 0.1679
  • Sample Detail(s): sample prepared from Ca, graphite, X-ray powder diffraction; composition confirmed, powder (determination of cell and structural parameters)

Substance Summary

  • Standard Formula: CaC2
  • Alphabetic Formula: C2Ca
  • Published Formula: CaC2 I
  • Refined Formula: C2Ca
  • Wyckoff Sequence: 139,ea
  • Z Formula Units: 2
  • Density: ρ = 2.23 Mg·m−3
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Crystallographic Data

Cell Parameters

Published Data
Standardized Data
Unit Cell
Niggli-Reduced Cell
Space Group
a
b
c
α
β
γ
a/b
b/c
c/a
V

Atom Coordinates

Standardized

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation
Co-ord. No.
Atomic Env.

Published

Site
Element
Wyckoff Symbol
Symmetry
X
Y
Z
Occupation

Experimental Details

Reference

3D Interactive Structure

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1200072

  • Copyright

    ©Springer & Material Phases Data System (MPDS), Switzerland & National Institute for Materials Science (NIMS), Japan, 2016

  • Chief Editor

    Pierre Villars, Material Phases Data System (MPDS), CH-6354 Vitznau, Switzerland

    villars.mpds@bluewin.ch

  • Credits

    SpringerMaterials Release 2016.

    Data generated pre-2002: © Springer & MPDS & NIMS; post-2001: © Springer & MPDS

    All Rights Reserved. Version 2016.10.

    Project Coordinator: Shuichi Iwata

    Section-Editor: Karin Cenzual (Crystal Structures)

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