#------------------------------------------------------------------------------
#$Date: 2009-11-23 07:50:56 +0200 (Mon, 23 Nov 2009) $
#$Revision: 903 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9010953.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_9010953
loop_
_publ_author_name
'Mitchell, R. H.'
'Alexander, M.'
'Cranswick, L. M. D.'
'Swainson, I. P.'
_publ_section_title
;
 A powder neutron diffraction study of the crystal structure of the
 fluoroperovskite NaMgF3 (neighborite) from 300 to 3.6 K
 Locality: synthetic
 Sample: T = 50 K
;
_journal_name_full               'Physics and Chemistry of Minerals'
_journal_page_first              705
_journal_page_last               712
_journal_volume                  34
_journal_year                    2007
_chemical_formula_sum            'F3 Mg Na'
_chemical_name_mineral           Neighborite
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2c 2ab'
_symmetry_space_group_name_H-M   'P b n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   5.3294
_cell_length_b                   5.4813
_cell_length_c                   7.6338
_cell_volume                     222.999
_diffrn_ambient_temperature      50
_[local]_cod_data_source_file    08436.cif
_[local]_cod_data_source_block   global
_[local]_cod_chemical_formula_sum_orig 'Na Mg F3'
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,y,1/2-z
-x,-y,1/2+z
1/2+x,1/2-y,1/2+z
1/2-x,1/2+y,1/2-z
1/2-x,1/2+y,z
1/2+x,1/2-y,-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Na 0.98530 0.04870 0.25000
Mg 0.00000 0.50000 0.00000
F1 0.09290 0.47010 0.25000
F2 0.70030 0.29540 0.04840