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#$Date: 2024-04-18 18:56:43 +0300 (Thu, 18 Apr 2024) $
#$Revision: 291269 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/21/9002146.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_9002146
loop_
_publ_author_name
'Downs, R. T.'
'Yang, H.'
'Hazen, R. M.'
'Finger, L. W.'
'Prewitt, C. T.'
_publ_section_title
;
 Compressibility mechanisms of alkali feldspars: New data from reedmergnerite
 Sample from Joseph Smith #1 mine, Duchesne Co., Utah,  NMNH 140
 P = 0,  in air
;
_journal_name_full               'American Mineralogist'
_journal_page_first              333
_journal_page_last               340
_journal_volume                  84
_journal_year                    1999
_chemical_formula_sum            'B Na O8 Si3'
_chemical_name_mineral           Reedmergnerite
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1 (1/2*x+1/2*y,1/2*x-1/2*y,-z)'
_symmetry_space_group_name_H-M   'C -1'
_cell_angle_alpha                93.31900
_cell_angle_beta                 116.36800
_cell_angle_gamma                92.04000
_cell_length_a                   7.83860
_cell_length_b                   12.37330
_cell_length_c                   6.80740
_cell_formula_units_Z            4
_cell_volume                     589.172
_database_code_amcsd             0002214
_exptl_crystal_density_diffrn    2.774
_cod_original_formula_sum        'Na B Si3 O8'
_cod_database_code               9002146
loop_
_space_group_symop_operation_xyz
x,y,z
1/2+x,1/2+y,z
-x,-y,-z
1/2-x,1/2-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Na 0.25820 0.00757 0.13302
B 0.01214 0.16173 0.22158
Si1m 0.00585 0.80964 0.20972
Si2o 0.70279 0.10181 0.32049
Si2m 0.68488 0.86453 0.35447
O(A1) 0.00780 0.13652 0.00413
O(A2) 0.59331 0.98123 0.27584
O(B)o 0.84495 0.09894 0.21117
O(B)m 0.81629 0.83485 0.23351
O(C)o 0.00661 0.27645 0.27360
O(C)m 0.02874 0.67957 0.20623
O(D)o 0.19027 0.11840 0.38278
O(D)m 0.19218 0.86780 0.41722
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0002214
