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#$Date: 2016-02-16 14:49:47 +0200 (Tue, 16 Feb 2016) $
#$Revision: 176465 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/09/9010955.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_9010955
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 = 3.6 K
;
_journal_name_full               'Physics and Chemistry of Minerals'
_journal_page_first              705
_journal_page_last               712
_journal_paper_doi               10.1007/s00269-007-0188-0
_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                   5.3287
_cell_length_b                   5.4811
_cell_length_c                   7.6335
_cell_volume                     222.953
_diffrn_ambient_temperature      3.6
_exptl_crystal_density_diffrn    3.107
_cod_original_formula_sum        'Na Mg F3'
_cod_database_code               9010955
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 0.98610 0.04880 0.25000
Mg 0.00000 0.50000 0.00000
F1 0.09330 0.46990 0.25000
F2 0.70060 0.29560 0.04830