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#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/40/1534003.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_1534003
loop_
_publ_author_name
'Pekov, I.V.'
'Ferraris, G.'
'Chukanov, N.V.'
'Ivaldi, G.'
'Zadov, A.E.'
'Pushcharovskii, D.Yu.'
_publ_section_title
;
 Shirokshinite, K (Na Mg2) Si4 O10 F, a new mica with octahedral Na from
 Khibiny massif, Kola peninsula: descriptive data and structural disorder
;
_journal_name_full               'European Journal of Mineralogy (1,1989-)'
_journal_page_first              447
_journal_page_last               454
_journal_volume                  15
_journal_year                    2003
_chemical_formula_sum            'F2 K Mg2 Na O10 Si4'
_chemical_name_systematic        'K (Na Mg2) (Si4 O10 F2)'
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 100.12
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.269
_cell_length_b                   9.092
_cell_length_c                   10.197
_cell_volume                     480.895
_citation_journal_id_ASTM        EJMIER
_cod_data_source_file            Pekov_EJMIER_2003_722.cif
_cod_data_source_block           F2K1Mg2Na1O10Si4
_cod_original_cell_volume        480.8948
_cod_original_formula_sum        'F2 K1 Mg2 Na1 O10 Si4'
_cod_database_code               1534003
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,y,-z
-x,-y,-z
x,-y,z
x+1/2,y+1/2,z
-x+1/2,y+1/2,-z
-x+1/2,-y+1/2,-z
x+1/2,-y+1/2,z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
K1 K+1 0 0.5 0 1 0.0
Si1 Si+4 0.0762 0.1667 0.2261 1 0.0
O1 O-2 0.048 0 0.164 1 0.0
F1 F-1 0.124 0.5 0.3897 1 0.0
Mg1 Mg+2 0 0.3338 0.5 1 0.0
O2 O-2 0.308 0.2471 0.1636 1 0.0
Na1 Na+1 0 0 0.5 1 0.0
O3 O-2 0.132 0.1678 0.3849 1 0.0
