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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/9/00/16/9001634.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_9001634
loop_
_publ_author_name
'Downs, R. T.'
'Hazen, R. M.'
'Finger, L. W.'
_publ_section_title
;
 The high-pressure crystal chemistry of low albite and the origin of the
 pressure dependency of Al-Si ordering
 P = 2.68 GPa
 Note: sample is from Crete
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1042
_journal_page_last               1052
_journal_volume                  79
_journal_year                    1994
_chemical_formula_sum            'Al Na O8 Si3'
_chemical_name_mineral           Albite
_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                94.217
_cell_angle_beta                 116.992
_cell_angle_gamma                88.025
_cell_length_a                   7.9567
_cell_length_b                   12.6784
_cell_length_c                   7.0897
_cell_formula_units_Z            4
_cell_volume                     635.564
_database_code_amcsd             0001686
_diffrn_ambient_pressure         2.68e+06
_exptl_crystal_density_diffrn    2.740
_cod_original_formula_sum        'Na Al Si3 O8'
_cod_database_code               9001634
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_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Na 0.02641 0.03880 0.08657 -0.00059 0.03614 -0.01777
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Na 0.25866 0.99301 0.13916 0.04813
Al1o 0.00580 0.16641 0.20652 0.00760
Si1m -0.00025 0.82060 0.23609 0.00684
Si2o 0.68735 0.10846 0.31137 0.00621
Si2m 0.67164 0.88023 0.35985 0.00608
O(A1) 0.00729 0.12923 0.96744 0.01140
O(A2) 0.58103 0.99641 0.28241 0.00861
O(B)o 0.80788 0.10196 0.18396 0.01254
O(B)m 0.81160 0.84925 0.25503 0.01608
O(C)o -0.00074 0.30021 0.27219 0.01115
O(C)m 0.01927 0.69352 0.22398 0.00988
O(D)o 0.21142 0.11030 0.38630 0.01672
O(D)m 0.17819 0.86810 0.42915 0.02014
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0001686
