#------------------------------------------------------------------------------
#$Date: 2024-04-18 17:56:43 +0200 (jue 18 de abr de 2024) $
#$Revision: 291269 $
#$URL: svn://www.crystallography.net/cod/cif/9/00/08/9000823.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_9000823
loop_
_publ_author_name
'Bish, D. L.'
_publ_section_title
;
 Cation ordering in synthetic and natural Ni-Mg olivine
 natural
;
_journal_name_full               'American Mineralogist'
_journal_page_first              770
_journal_page_last               776
_journal_volume                  66
_journal_year                    1981
_chemical_formula_sum            'Mg0.34 Ni1.66 O4 Si'
_chemical_name_mineral           Liebenbergite
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2c 2ab'
_symmetry_space_group_name_H-M   'P b n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   4.7311
_cell_length_b                   10.1797
_cell_length_c                   5.9408
_cell_formula_units_Z            4
_cell_volume                     286.116
_database_code_amcsd             0000840
_exptl_crystal_density_diffrn    4.591
_cod_original_formula_sum        'Ni1.66 Mg.34 Si O4'
_cod_database_code               9000823
loop_
_space_group_symop_operation_xyz
x,y,z
x,y,1/2-z
-x,-y,1/2+z
1/2+x,1/2-y,1/2+z
1/2-x,1/2+y,1/2-z
1/2-x,1/2+y,z
1/2+x,1/2-y,-z
-x,-y,-z
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ni1 0.00522 0.00525 0.00447 -0.00024 -0.00043 -0.00061
Ni2 0.00646 0.00420 0.00501 0.00000 0.00000 0.00000
Mg 0.00646 0.00420 0.00501 0.00000 0.00000 0.00000
Si 0.00499 0.00367 0.00465 0.00000 0.00000 0.00000
O1 0.00544 0.00682 0.00447 0.00000 0.00000 0.00000
O2 0.00646 0.00472 0.00554 -0.00049 0.00000 0.00000
O3 0.00669 0.00577 0.00608 -0.00073 0.00014 0.00092
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Ni1 0.00000 0.00000 0.00000 1.00000
Ni2 0.99030 0.27470 0.25000 0.66000
Mg 0.99030 0.27470 0.25000 0.34000
Si 0.42650 0.09380 0.25000 1.00000
O1 0.76710 0.09250 0.25000 1.00000
O2 0.21900 0.44550 0.25000 1.00000
O3 0.27550 0.16250 0.03100 1.00000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0000840
