Inorganic Solid Phases

Na3Mg1−xCaxH(PO4)2, yH2O, x= 0.05, y= 0.20 (HNa3Ca0.05Mg0.95[PO4]2[H2O]0.20) Crystal Structure

General Information

  • Phase Label(s): HNa3Ca0.05Mg0.95[PO4]2[H2O]0.20
  • Structure Class(es):
  • Classification by Properties:
  • Mineral Name(s):
  • Pearson Symbol: aP*
  • Space Group: 2
  • Phase Prototype: *
  • Measurement Detail(s): automatic diffractometer (determination of cell parameters), X-rays (determination of cell parameters)
  • Phase Class(es):
  • Compound Class(es): orthophosphate, hydrate
  • Interpretation Detail(s): cell parameters determined; composition dependence studied
  • Sample Detail(s): sample prepared from H3PO4, MgO, CaCO3, NaOH, atomic emission spectroscopy, thermogravimetry; P, Na, Mg, Ca and H2O content analyzed; 64.0(5) wt.% [PO4]3−, 23.0(5) wt.% Na, 7.5(5) wt.% Mg, 3.6(5) wt.% H2O, 0.65(5) wt.% Ca, powder (determination of cell parameters)

Substance Summary

  • Standard Formula: HNa3Ca0.05Mg0.95[PO4]2[H2O]0.20
  • Alphabetic Formula: Ca0.05H[H2O]0.20Mg0.95Na3[PO4]2
  • Published Formula: Na3Mg1−xCaxH(PO4)2, yH2O, x= 0.05, y= 0.20
  • Refined Formula:
  • Wyckoff Sequence:
  • Z Formula Units: 1
  • Density: ρ = 2.89 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_1720352

  • 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

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