#------------------------------------------------------------------------------
#$Date: 2024-05-16 09:36:09 +0300 (Thu, 16 May 2024) $
#$Revision: 291877 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/01/18/9011890.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_9011890
loop_
_publ_author_name
'Chernov, A. N.'
'Maksimov, B. A.'
'Ilyukhin, V. V.'
'Belov, N. V.'
_publ_section_title
;
 Crystalline structure of monoclinic modification of K,Zr-diorthosilicate
 (K2ZrSi2O7)
;
_journal_name_full               'Soviet Physics Doklady'
_journal_page_first              711
_journal_page_last               713
_journal_volume                  15
_journal_year                    1971
_chemical_compound_source        Synthetic
_chemical_formula_sum            'K2 O7 Si2 Zr'
_chemical_name_mineral           Khibinskite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2bc'
_symmetry_space_group_name_H-M   'P 1 1 21/b'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                116.517
_cell_length_a                   9.54
_cell_length_b                   14.26
_cell_length_c                   5.60
_cell_formula_units_Z            4
_cell_volume                     681.684
_database_code_amcsd             0015597
_exptl_crystal_density_diffrn    3.289
_cod_original_formula_sum        'K2 Zr Si2 O7'
_cod_database_code               9011890
loop_
_space_group_symop_operation_xyz
x,y,z
x,1/2+y,1/2-z
-x,1/2-y,1/2+z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
K1 0.03500 0.42600 0.26400
K2 0.48200 0.59200 0.26000
Zr 0.23700 0.23200 0.25300
Si1 0.17200 0.36900 0.74400
Si2 0.33600 0.11400 0.74100
O1 0.00400 0.62900 0.26400
O2 0.30900 0.49200 0.79500
O3 0.47600 0.31600 0.23200
O4 0.21700 0.34200 0.46400
O5 0.18500 0.29600 0.93500
O6 0.24500 0.11100 0.00700
O7 0.26500 0.14800 0.54000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0015597
