Inorganic Solid Phases

SmMn2H2, α phase (SmMn2H2) Crystal Structure

General Information

  • Phase Label(s): SmMn2H2
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: hP12
  • Space Group: 194
  • Phase Prototype: MgZn2
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), X-rays, Cu Kα; λ = 0.154056 nm (determination of cell parameters), T = 300 K (determination of cell parameters)
  • Phase Class(es):
  • Compound Class(es): hydride
  • Interpretation Detail(s): cell parameters determined; temperature dependence studied
  • Sample Detail(s): sample prepared from Sm, Mn, H2, powder (determination of cell parameters)

Substance Summary

  • Standard Formula: SmMn2H2
  • Alphabetic Formula: H2Mn2Sm
  • Published Formula: SmMn2H2, α phase
  • Refined Formula:
  • Wyckoff Sequence:
  • Z Formula Units: 4
  • Density: ρ = 6.53 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

Experimental Details

Reference

About this content

  • Database name

    PAULING FILE Multinaries Edition – 2012

  • Dataset ID

    sd_1829837

  • 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)

  • Cite this content

    Citation copied