#------------------------------------------------------------------------------
#$Date: 2013-05-09 17:27:13 +0300 (Thu, 09 May 2013) $
#$Revision: 86002 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/07/9000744.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_9000744
loop_
_publ_author_name
'Wenk, H. R.'
'Joswig, W.'
'Tagai, T.'
'Korekawa, M.'
'Smith, B. K.'
_publ_section_title
;
 The average structure of An 62-66 labradorite
 Surtsey x-ray
 feldspar
;
_journal_name_full               'American Mineralogist'
_journal_page_first              81
_journal_page_last               95
_journal_volume                  65
_journal_year                    1980
_chemical_formula_sum            'Al0.81 Ca0.325 Na0.16 O4 Si1.19'
_chemical_name_mineral           Labradorite
_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                93.462
_cell_angle_beta                 116.054
_cell_angle_gamma                90.475
_cell_length_a                   8.1736
_cell_length_b                   12.8736
_cell_length_c                   7.1022
_cell_volume                     669.647
_exptl_crystal_density_diffrn    2.698
_[local]_cod_chemical_formula_sum_orig 'Ca.325 Na.16 (Si1.19 Al.81) O4'
_cod_database_code               9000744
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_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
Ca1 0.01282 0.07935 0.03201 -0.01098 0.01136 -0.03064
Na1 0.01282 0.07935 0.03201 -0.01098 0.01136 -0.03064
Ca2 0.00927 0.02305 0.01785 0.00606 0.00260 -0.00650
Na2 0.00927 0.02305 0.01785 0.00606 0.00260 -0.00650
Si1 0.00900 0.01002 0.00862 -0.00205 0.00362 0.00091
Al1 0.00900 0.01002 0.00862 -0.00205 0.00362 0.00091
Si2 0.00933 0.01052 0.00798 0.00430 0.00343 0.00083
Al2 0.00933 0.01052 0.00798 0.00430 0.00343 0.00083
Si3 0.00818 0.00760 0.01272 0.00115 0.00341 0.00054
Al3 0.00818 0.00760 0.01272 0.00115 0.00341 0.00054
Si4 0.00682 0.00585 0.01005 0.00081 0.00303 0.00178
Al4 0.00682 0.00585 0.01005 0.00081 0.00303 0.00178
Oa1 0.03109 0.02397 0.01642 0.00482 0.01372 0.00356
Oa2 0.01173 0.01219 0.02031 0.00081 0.00615 0.00327
Obo 0.02237 0.01604 0.03016 -0.00196 0.01585 -0.00128
Obm 0.02237 0.02247 0.04350 0.00387 0.01869 -0.00290
Oco 0.01964 0.02021 0.02503 -0.00267 0.01065 0.00199
Ocm 0.02018 0.02038 0.01990 0.00864 0.00497 -0.00083
Odo 0.01909 0.01888 0.01765 0.00286 0.00355 0.00207
Odm 0.02046 0.02197 0.02421 0.00406 -0.00024 -0.00257
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Ca1 0.26650 0.98620 0.16490 0.32500
Na1 0.26650 0.98620 0.16490 0.16000
Ca2 0.27230 0.03060 0.09520 0.32500
Na2 0.27230 0.03060 0.09520 0.16000
Si1 0.00632 0.16304 0.21518 0.59500
Al1 0.00632 0.16304 0.21518 0.40500
Si2 0.00264 0.81626 0.23099 0.59500
Al2 0.00264 0.81626 0.23099 0.40500
Si3 0.68589 0.10882 0.31775 0.59500
Al3 0.68589 0.10882 0.31775 0.40500
Si4 0.68100 0.87870 0.35715 0.59500
Al4 0.68100 0.87870 0.35715 0.40500
Oa1 0.00420 0.12900 0.98110 1.00000
Oa2 0.57980 0.99140 0.27890 1.00000
Obo 0.81310 0.10370 0.18860 1.00000
Obm 0.81560 0.85320 0.24350 1.00000
Oco 0.01390 0.28950 0.28180 1.00000
Ocm 0.01250 0.68690 0.21330 1.00000
Odo 0.19790 0.10730 0.38220 1.00000
Odm 0.19000 0.86610 0.42920 1.00000
_database_code_amcsd             0000757