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#$Date: 2024-05-06 10:39:41 +0300 (Mon, 06 May 2024) $
#$Revision: 291735 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/96/9009600.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_9009600
loop_
_publ_author_name
'Mellini, M.'
'Merlino, S.'
_publ_section_title
;
 Refinement of the crystal structure of wohlerite
;
_journal_name_full
'Tschermaks Mineralogische und Petrographische Mitteilungen'
_journal_page_first              109
_journal_page_last               123
_journal_volume                  26
_journal_year                    1979
_chemical_compound_source        'Brevig, Norway'
_chemical_formula_sum            'Ca4 F Na2 Nb O17 Si4 Zr'
_chemical_name_mineral           Wohlerite
_space_group_IT_number           4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_cell_angle_alpha                90
_cell_angle_beta                 109.00
_cell_angle_gamma                90
_cell_length_a                   10.823
_cell_length_b                   10.244
_cell_length_c                   7.290
_cell_formula_units_Z            2
_cell_volume                     764.214
_database_code_amcsd             0015674
_exptl_crystal_density_diffrn    3.449
_cod_original_formula_sum        'Na2 Ca4 Zr Nb Si4 O17 F'
_cod_database_code               9009600
loop_
_space_group_symop_operation_xyz
x,y,z
-x,1/2+y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Na1 0.12210 0.06891 0.68654 0.01583
Na2 0.36673 0.91655 0.55120 0.01343
Ca1 0.34605 0.30037 0.55184 0.00988
Zr 0.34201 0.28972 0.05379 0.00532
Nb 0.13104 0.05243 0.19173 0.00937
Ca2 0.14570 0.68150 0.19979 0.00709
Ca3 0.36750 0.91284 0.05383 0.00925
Ca4 0.15345 0.68360 0.69983 0.00785
Si1 0.07971 0.37343 0.19749 0.00532
Si2 0.07238 0.36493 0.63666 0.00557
Si3 0.43941 0.61333 0.56312 0.00621
Si4 0.43303 0.61260 0.12460 0.00557
O1 0.00950 0.23640 0.12000 0.01039
O2 -0.01970 0.24130 0.61750 0.01039
O3 0.00560 0.50170 0.08510 0.01203
O4 0.01850 0.49940 0.69840 0.01178
O5 0.23220 0.37540 0.20780 0.01203
O6 0.22090 0.33630 0.77440 0.01254
O7 0.48920 0.47200 0.65050 0.01292
O8 0.45730 0.46440 0.07180 0.01153
O9 0.47460 0.23590 0.31950 0.01102
O10 0.46300 0.21650 0.91200 0.01418
O11 0.28650 0.63980 0.51540 0.01570
O12 0.28880 0.67000 0.02340 0.01279
O13 0.24490 0.11730 0.04350 0.01165
O14 0.22360 0.11830 0.43630 0.00975
F15 0.23930 0.88910 0.74350 0.01153
O16 0.21360 0.89270 0.22410 0.00975
O17 0.08670 0.39500 0.42280 0.01760
O18 0.52300 0.12400 0.64000 0.01393
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0015674
