#------------------------------------------------------------------------------
#$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $
#$Revision: 966 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9000746.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_9000746
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
 Lake County 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            'Al0.824 Ca0.317 Na0.183 O4 Si1.174'
_[local]_cod_chemical_formula_sum_orig 'Ca.317 Na.183 Si1.174 Al.824 O4'
_chemical_name_mineral           Labradorite
_symmetry_space_group_name_H-M   'C -1'
_cell_angle_alpha                93.461
_cell_angle_beta                 116.086
_cell_angle_gamma                90.514
_cell_length_a                   8.1747
_cell_length_b                   12.8706
_cell_length_c                   7.1014
_cell_volume                     669.302
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
Ca1 0.26630 0.98340 0.16870 0.31700
Na1 0.26630 0.98340 0.16870 0.18300
Ca2 0.27090 0.03000 0.09700 0.31700
Na2 0.27090 0.03000 0.09700 0.18300
Si1 0.00588 0.16271 0.21481 0.58700
Al1 0.00588 0.16271 0.21481 0.41200
Si2 0.00275 0.81645 0.23109 0.58700
Al2 0.00275 0.81645 0.23109 0.41200
Si3 0.68425 0.10878 0.31709 0.58700
Al3 0.68425 0.10878 0.31709 0.41200
Si4 0.68086 0.87873 0.35765 0.58700
Al4 0.68086 0.87873 0.35165 0.41200
Oa1 0.00270 0.12810 0.97960 1.00000
Oa2 0.57870 0.99130 0.27770 1.00000
Obo 0.81210 0.10330 0.18790 1.00000
Obm 0.81520 0.85400 0.24350 1.00000
Oco 0.01410 0.28920 0.28300 1.00000
Ocm 0.01150 0.68660 0.21180 1.00000
Odo 0.19760 0.10650 0.38160 1.00000
Odm 0.19060 0.86570 0.43070 1.00000
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 0.01306 0.05518 0.02071 -0.00940 0.00880 -0.01849
Na1 0.01306 0.05518 0.02071 -0.00940 0.00880 -0.01849
Ca2 0.01183 0.02822 0.01968 0.00549 0.00201 -0.00914
Na2 0.01183 0.02822 0.01968 0.00549 0.00201 -0.00914
Si1 0.01175 0.01369 0.01021 -0.00205 0.00411 0.00145
Al1 0.01175 0.01369 0.01021 -0.00205 0.00411 0.00145
Si2 0.00995 0.01160 0.00675 0.00339 0.00286 0.00012
Al2 0.00995 0.01160 0.00675 0.00339 0.00286 0.00012
Si3 0.00902 0.00893 0.01007 0.00076 0.00284 0.00000
Al3 0.00902 0.00893 0.01007 0.00076 0.00284 0.00000
Si4 0.00902 0.00943 0.01042 0.00024 0.00298 0.00203
Al4 0.00902 0.00943 0.01042 0.00024 0.00298 0.00203
Oa1 0.03051 0.02413 0.01322 0.00415 0.01303 0.00364
Oa2 0.01350 0.01319 0.01618 0.00048 0.00435 0.00248
Obo 0.02326 0.01778 0.02708 -0.00305 0.01333 -0.00194
Obm 0.02367 0.02454 0.04445 0.00258 0.01757 -0.00443
Oco 0.01857 0.02338 0.02417 -0.00358 0.00875 0.00331
Ocm 0.01791 0.02246 0.01804 0.00558 0.00376 -0.00319
Odo 0.01988 0.01928 0.01546 0.00129 0.00137 0.00178
Odm 0.02209 0.02513 0.02046 0.00334 -0.00130 -0.00327
_cod_database_code 9000746