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#$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $
#$Revision: 85285 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/15/9001519.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_9001519
loop_
_publ_author_name
'Dove, M. T.'
'Cool, T.'
'Palmer, D. C.'
'Putnis, A.'
'Salje, E. K. H.'
'Winkler, B.'
_publ_section_title
;
 On the role of Al-Si ordering in the cubic-tetragonal phase transition of
 leucite
 Sample is Order model 1
;
_journal_name_full               'American Mineralogist'
_journal_page_first              486
_journal_page_last               492
_journal_volume                  78
_journal_year                    1993
_chemical_formula_sum            'Al K O6 Si2'
_chemical_name_mineral           Leucite
_space_group_IT_number           88
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   12.931
_cell_length_b                   12.931
_cell_length_c                   13.812
_cell_volume                     2309.515
_exptl_crystal_density_diffrn    2.511
_[local]_cod_cif_authors_sg_H-M  'I 41/a'
_[local]_cod_chemical_formula_sum_orig 'K Si2 Al O6'
_cod_database_code               9001519
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2+y,1/2+z
3/4+y,1/4-x,1/4-z
1/4+y,3/4-x,3/4-z
3/4-y,1/4+x,1/4+z
1/4-y,3/4+x,3/4+z
1/2+x,y,1/2-z
+x,1/2+y,-z
1/2-x,-y,1/2+z
-x,1/2-y,+z
3/4-y,3/4+x,3/4-z
1/4-y,1/4+x,1/4-z
3/4+y,3/4-x,3/4+z
1/4+y,1/4-x,1/4+z
-x,-y,-z
1/2-x,1/2-y,1/2-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
K 0.37130 0.35680 0.11290
Si1 0.05560 0.39600 0.16810
Al 0.16980 0.60980 0.12670
Si2 0.39780 0.63610 0.08440
O1 0.12960 0.31540 0.10970
O2 0.08670 0.50760 0.13280
O3 0.14290 0.68570 0.22810
O4 0.12990 0.68680 0.03200
O5 0.29940 0.57000 0.11830
O6 0.48990 0.61670 0.16360