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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/1/53/36/1533602.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_1533602
loop_
_publ_author_name
'Sokolova, E.'
'Agakhanov, A.A.'
'Hawthorne, F.C.'
'Pautov, L.A.'
_publ_section_title
;
 The crystal structure of moskvinite-(Y); Na2 K (Y, REE) (Si6 O15), a new
 silicate mineral with (Si6 O15) three-membered double rings from the
 Dara-i-Pioz moraine, Tien-Shan mountains, Tajikistan
;
_journal_name_full               'Canadian Mineralogist'
_journal_page_first              513
_journal_page_last               520
_journal_volume                  41
_journal_year                    2003
_chemical_formula_sum            'K Na2 O15 Si6 Y'
_chemical_name_systematic        'Na2 K Y (Si6 O15)'
_space_group_IT_number           74
_symmetry_space_group_name_Hall  '-I 2c 2c'
_symmetry_space_group_name_H-M   'I b m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.623
_cell_length_b                   14.97
_cell_length_c                   8.553
_cell_volume                     1360.152
_citation_journal_id_ASTM        CAMIA6
_cod_data_source_file            Sokolova_CAMIA6_2003_51.cif
_cod_data_source_block           K1Na2O15Si6Y1
_cod_original_sg_symbol_Hall     '-I 2b 2 (z,x,y)'
_cod_original_formula_sum        'K1 Na2 O15 Si6 Y1'
_cod_database_code               1533602
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,-y,-z+1/2
-x,y,-z
-x,-y,z+1/2
-x,-y,-z
-x,y,z-1/2
x,-y,z
x,y,-z-1/2
x+1/2,y+1/2,z+1/2
x+1/2,-y+1/2,-z+1
-x+1/2,y+1/2,-z+1/2
-x+1/2,-y+1/2,z+1
-x+1/2,-y+1/2,-z+1/2
-x+1/2,y+1/2,z
x+1/2,-y+1/2,z+1/2
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
O5 O-2 0.16655 0.33667 0.05854 1 0.0
Si2 Si+4 0.22002 0.39603 -0.07776 1 0.0
Na1 Na+1 0.5 0.25636 0 1 0.0
Y1 Y+3 0.25 0.25 0.25 1 0.0
Si1 Si+4 0.53384 0.40003 0.25 1 0.0
O4 O-2 0.18101 0.5 -0.0448 1 0.0
O1 O-2 0.15917 0.37118 0.75 1 0.0
K1 K+1 0.43056 0 0.25 1 0.0
O3 O-2 0.3726 0.38915 -0.09771 1 0.0
O2 O-2 0.43311 0.32256 0.25 1 0.0
O6 O-2 0.4751 0.5 0.25 1 0.0
