#------------------------------------------------------------------------------
#$Date: 2010-04-10 21:37:29 +0300 (Sat, 10 Apr 2010) $
#$Revision: 1071 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9009543.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_9009543
loop_
_publ_author_name
'Pudovkina, Z. V.'
'Chernitsova, N. M.'
'Voronkov, A. A.'
'Pyatenko Yu, A.'
_publ_section_title
;
 Crystal structure of zirsinalite Na6Ca{Zr(Si6O18)}
 Locality: Koashva Mountain, Khibiny Massif, Kola Peninsula, Russia
;
_journal_name_full               'Doklady Akademii Nauk SSSR'
_journal_page_first              865
_journal_page_last               867
_journal_volume                  250
_journal_year                    1980
_chemical_formula_sum            'Ca Na6 O18 Si6 Zr'
_chemical_name_mineral           Zirsinalite
_space_group_IT_number           167
_symmetry_space_group_name_Hall  '-P 3* 2n'
_symmetry_space_group_name_H-M   'R -3 c :R'
_cell_angle_alpha                58.13
_cell_angle_beta                 58.13
_cell_angle_gamma                58.13
_cell_length_a                   10.593
_cell_length_b                   10.593
_cell_length_c                   10.593
_cell_volume                     804.479
_exptl_crystal_density_diffrn    2.996
_[local]_cod_data_source_file    cifdata.txt
_[local]_cod_data_source_block   'global_11834'
_[local]_cod_cif_authors_sg_H-M  'R -3 c'
_[local]_cod_chemical_formula_sum_orig 'Na6 Ca Zr Si6 O18'
_cod_database_code               9009543
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2-x,1/2-z,1/2-y
-z,-x,-y
1/2+y,1/2+x,1/2+z
y,z,x
1/2-z,1/2-y,1/2-x
-x,-y,-z
1/2+x,1/2+z,1/2+y
z,x,y
1/2-y,1/2-x,1/2-z
-y,-z,-x
1/2+z,1/2+y,1/2+x
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 0.50000 0.00000 0.00000 1.00000 0.01545
Na2 0.74300 0.75700 0.25000 1.00000 0.01456
Ca 0.37670 0.37670 0.37670 0.50000 0.01469
Zr 0.00000 0.00000 0.00000 1.00000 0.01178
Si 0.13070 0.13460 0.58530 1.00000 0.01178
O1 0.25500 0.29600 0.93800 1.00000 0.01659
O2 0.95000 0.23400 0.96800 1.00000 0.01684
O3 0.01300 0.48700 0.25000 1.00000 0.04192
O4 0.51800 0.98200 0.25000 1.00000 0.01570