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#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/07/1530797.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_1530797
loop_
_publ_author_name
'Soboleva, S.V.'
'Sidorenko, O.V.'
'Zvyagin, B.B.'
_publ_section_title
;
 Crystal structure of paragonite 1M
;
_journal_name_full               Kristallografiya
_journal_page_first              510
_journal_page_last               514
_journal_volume                  22
_journal_year                    1977
_chemical_formula_sum            'Al2.91 H2 Na0.91 O12 Si3.09'
_chemical_name_systematic        'Na.91 Al2 (Si3.09 Al.91) O10 (O H)2'
_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                 99.67
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.135
_cell_length_b                   8.89
_cell_length_c                   9.74
_cell_volume                     438.315
_citation_journal_id_ASTM        KRISAJ
_cod_data_source_file            Soboleva_KRISAJ_1977_159.cif
_cod_data_source_block           H2Al2.91Na0.91O12Si3.09
_cod_original_cell_volume        438.3149
_cod_original_formula_sum        'H2 Al2.91 Na0.91 O12 Si3.09'
_cod_database_code               1530797
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
Na1 Na+1 0.5 0 0.5 0.91 0.0
O2 O-2 0.365 0.324 0.112 1 0.0
O3 O-2 0.031 0 0.334 1 0.0
O1 O-2 0.391 0 0.104 1 0.0
Si1 Si+4 0.42 0.33 0.28 0.7725 0.0
Al1 Al+3 0 0.322 0 1 0.0
Al2 Al+3 0.42 0.33 0.28 0.2275 0.0
O4 O-2 0.14 0.302 0.344 1 0.0
