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#$Date: 2010-06-10 18:11:07 +0300 (Thu, 10 Jun 2010) $
#$Revision: 1210 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9012844.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_9012844
loop_
_publ_author_name
'Cannillo, E.'
'Rossi, G.'
'Ungaretti, L.'
_publ_section_title
;
 The crystal structure of delhayelite
;
_journal_name_full
'Rendiconti della Societa Italiana di Mineralogia e Petrologia'
_journal_page_first              63
_journal_page_last               75
_journal_volume                  26
_journal_year                    1970
_chemical_formula_sum            'Al Ca2.5 Cl0.9 F2 K3.51 Na1.5 O19 Si7'
_chemical_name_mineral           Delhayelite
_space_group_IT_number           59
_symmetry_space_group_name_Hall  '-P 2ab 2a'
_symmetry_space_group_name_H-M   'P m m n :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   24.86
_cell_length_b                   7.07
_cell_length_c                   6.53
_cell_volume                     1147.714
_exptl_crystal_density_diffrn    2.516
_[local]_cod_cif_authors_sg_H-M  'P m m n'
_[local]_cod_chemical_formula_sum_orig 'K3.51 Na1.5 Ca2.5 Al Si7 O19 Cl.9 F2'
_cod_database_code               9012844
_amcsd_database_code             AMCSD#0013764
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,1/2-y,z
-x,1/2+y,-z
1/2-x,y,z
1/2+x,-y,-z
1/2+x,1/2+y,-z
1/2-x,1/2-y,z
-x,-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
K1 0.13220 0.25000 0.78040 0.88000 0.02470
K2 0.25000 0.25000 0.37210 0.90000 0.03496
K3 0.25000 0.75000 0.01950 0.85000 0.05636
Na 0.00000 0.00000 0.00000 0.75000 0.01355
CaNa 0.00000 0.00000 0.00000 0.25000 0.01355
Ca 0.00670 0.75000 0.50340 1.00000 0.01026
Al1 0.18280 0.75000 0.53420 0.50000 0.00747
Si1 0.11250 0.46560 0.28180 1.00000 0.00646
Si2 0.18280 0.75000 0.53420 0.50000 0.00747
Si3 0.10650 0.75000 0.91880 1.00000 0.00887
O1 0.05500 0.48180 0.38450 1.00000 0.04762
O2 0.16180 0.55100 0.41350 1.00000 0.05079
O3 0.11240 0.56750 0.06010 1.00000 0.04154
O4 0.04910 0.75000 0.81640 1.00000 0.02077
O5 0.15800 0.75000 0.77380 1.00000 0.03458
O6 0.12950 0.25000 0.24330 1.00000 0.03749
O7 0.25000 0.75000 0.53920 1.00000 0.02938
Cl 0.25000 0.25000 0.87930 0.90000 0.04851
F 0.02970 0.25000 0.81460 1.00000 0.02558