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#$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $
#$Revision: 35913 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/96/9009663.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_9009663
loop_
_publ_author_name
'Gualtieri, A. F.'
_publ_section_title
;
 Accuracy of XRPD QPA using the combined Rietveld-RIR method
 Locality: Baveno, Novara, Italy
;
_journal_name_full               'Journal of Applied Crystallography'
_journal_page_first              267
_journal_page_last               278
_journal_volume                  33
_journal_year                    2000
_chemical_formula_sum            'Al1.02 Ca0.02 Na0.98 O8 Si2.98'
_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                94.2451
_cell_angle_beta                 116.600
_cell_angle_gamma                87.800
_cell_length_a                   8.14588
_cell_length_b                   12.7973
_cell_length_c                   7.15775
_cell_volume                     665.342
_exptl_crystal_density_diffrn    2.621
_[local]_cod_chemical_formula_sum_orig '(Na.98 Ca.02) (Si2.98 Al1.02) O8'
_cod_database_code               9009663
_amcsd_database_code             AMCSD#0012495
loop_
_symmetry_equiv_pos_as_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
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Na 0.27910 -0.01260 0.17940 0.98000 0.09600
Ca 0.27910 -0.01260 0.17940 0.02000 0.09600
Si1 0.01320 0.16570 0.21130 0.74500 0.05400
Al1 0.01320 0.16570 0.21130 0.25500 0.05400
Si2 0.01000 0.82030 0.24040 0.74500 0.04900
Al2 0.01000 0.82030 0.24040 0.25500 0.04900
Si3 0.68570 0.11100 0.31610 0.74500 0.06600
Al3 0.68570 0.11100 0.31610 0.25500 0.06600
Si4 0.68020 0.88440 0.35980 0.74500 0.04400
Al4 0.68020 0.88440 0.35980 0.25500 0.04400
O1 -0.00440 0.13540 0.96300 1.00000 0.07300
O2 0.58480 0.99470 0.25630 1.00000 0.04200
O3 0.81880 0.11010 0.20140 1.00000 0.07100
O4 0.81660 0.84490 0.25520 1.00000 0.01500
O5 0.01120 0.69050 0.22090 1.00000 0.03700
O6 0.20430 0.11110 0.38560 1.00000 0.02200
O7 0.18620 0.87020 0.42970 1.00000 0.02700
O8 0.00690 0.30080 0.26190 1.00000 0.05200