#------------------------------------------------------------------------------
#$Date: 2025-11-01 13:29:51 +0100 (Sat 01 de Nov de 2025) $
#$Revision: 303136 $
#$URL: svn://www.crystallography.net/cod/cif/9/01/41/9014152.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_9014152
loop_
_publ_author_name
'Armstrong, J. A.'
'Friis, H.'
'Lieb, A.'
'Finch, A. A.'
'Weller, M. T.'
_publ_section_title
;
 Combined single-crystal X-ray and neutron powder diffraction structure analysis
 exemplified through full structure determinations of
 framework and layer beryllate minerals
;
_journal_name_full               'American Mineralogist'
_journal_page_first              519
_journal_page_last               526
_journal_paper_doi               10.2138/am.2010.3276
_journal_volume                  95
_journal_year                    2010
_chemical_compound_source        'Vesle Aroya, Langesundsfjord, Norway'
_chemical_formula_sum            'Al2.66 Be2 F2 K0.46 Na6.2 O39 Si15.34'
_chemical_name_mineral           Leifite
_space_group_IT_number           164
_symmetry_space_group_name_Hall  '-P 3 2"'
_symmetry_space_group_name_H-M   'P -3 m 1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   14.3446
_cell_length_b                   14.3446
_cell_length_c                   4.8455
_cell_volume                     863.468
_database_code_amcsd             0005040
_exptl_crystal_density_diffrn    2.583
_cod_original_formula_sum        'Na6.2 K.46 Si15.34 Al2.66 Be2 O39 F2'
_cod_database_code               9014152
loop_
_space_group_symop_operation_xyz
x,y,z
-y,-x,z
y,-x+y,-z
-x,-x+y,-z
-x+y,-x,z
-x+y,y,z
-x,-y,-z
y,x,-z
-y,x-y,z
x,x-y,z
x-y,x,-z
x-y,-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
Na1 0.75080 0.24920 0.20190 1.00000 0.01395
K1Na2 0.00000 0.00000 0.00000 0.46000 0.00953
Na2O6 0.00000 0.00000 0.50000 0.20000 0.03000
Si1A 0.00000 0.21634 0.50000 0.55670 0.01242
Al1B 0.00000 0.21634 0.50000 0.44330 0.01242
Si2 0.00000 0.34374 0.00000 1.00000 0.01243
Si3 0.44746 0.55254 0.30616 1.00000 0.00777
Be1 0.33333 0.66667 0.36850 1.00000 0.01543
O1 0.10022 0.89978 0.39030 1.00000 0.02148
O2 0.30901 0.26112 0.24950 1.00000 0.01413
O3 0.35849 0.45743 0.10260 1.00000 0.00813
O4 0.50000 0.00000 0.50000 1.00000 0.01099
O5 0.39389 0.60612 0.48350 1.00000 0.00718
F 0.33333 0.66667 0.03970 1.00000 0.01015
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0005040
2 ROD 1000044
3 ROD 1000215
