#------------------------------------------------------------------------------
#$Date: 2024-05-23 12:45:01 +0300 (Thu, 23 May 2024) $
#$Revision: 292002 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/47/9014765.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_9014765
loop_
_publ_author_name
'Hang, C.'
'Simonov, M. A.'
'Belov, N. V.'
_publ_section_title
;
 Crystal structures of willemite Zn2[SiO4] and its germanium analog Zn2[GeO4]
;
_journal_name_full               'Soviet Physics Crystallography'
_journal_page_first              387
_journal_page_last               390
_journal_volume                  15
_journal_year                    1970
_chemical_compound_source        Synthetic
_chemical_formula_sum            'O4 Si Zn2'
_chemical_name_mineral           Willemite
_space_group_IT_number           148
_symmetry_space_group_name_Hall  '-P 3*'
_symmetry_space_group_name_H-M   'R -3 :R'
_cell_angle_alpha                107.87
_cell_angle_beta                 107.87
_cell_angle_gamma                107.87
_cell_length_a                   8.628
_cell_length_b                   8.628
_cell_length_c                   8.628
_cell_formula_units_Z            6
_cell_volume                     521.689
_database_code_amcsd             0018744
_exptl_crystal_density_diffrn    4.256
_cod_original_sg_symbol_H-M      'R -3'
_cod_original_formula_sum        'Zn2 Si O4'
_cod_database_code               9014765
loop_
_space_group_symop_operation_xyz
x,y,z
-z,-x,-y
y,z,x
-x,-y,-z
z,x,y
-y,-z,-x
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Zn1 0.79300 0.56200 0.38500
Zn2 0.12800 0.89700 0.72000
Si 0.45900 0.22500 0.05100
O1 0.32900 0.01900 -0.02700
O2 0.61400 0.30700 0.25800
O3 0.97100 0.63900 0.64000
O4 0.55300 0.22900 -0.09200
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0018744
