#------------------------------------------------------------------------------
#$Date: 2016-12-26 08:50:55 +0100 (lun 26 de dic de 2016) $
#$Revision: 189417 $
#$URL: svn://www.crystallography.net/cod/cif/1/54/48/1544889.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1544889
loop_
_publ_author_name
'Aikawa, N.'
'Tokonami, M.'
_publ_section_title
;
 Crystal structure and cation distribution of "cleavable" olivines Sample:
 Oeyama
;
_journal_name_full               'Mineralogical Journal'
_journal_page_first              271
_journal_page_last               279
_journal_volume                  13
_journal_year                    1987
_chemical_formula_sum            'Fe0.2 Mg1.8 O4 Si'
_chemical_name_common            (Mg0.9Fe0.1)2SiO4
_chemical_name_mineral           olivine
_space_group_IT_number           62
_space_group_name_H-M_alt        'P b n m'
_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_formula_units_Z            4
_cell_length_a                   4.769(6)
_cell_length_b                   10.243(27)
_cell_length_c                   6.003(11)
_cell_volume                     293.2(10)
_cod_data_source_file            olivine-Oeyama.cif
_cod_data_source_block           olivine-Oeyama
_cod_original_formula_sum        'Mg1.8 Fe0.2 Si O4'
_cod_database_code               1544889
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, -y, -z'
'x+1/2, -y+1/2, -z'
'-x+1/2, y+1/2, z'
'-x, -y, z+1/2'
'x, y, -z+1/2'
'-x+1/2, y+1/2, -z+1/2'
'x+1/2, -y+1/2, z+1/2'
loop_
_atom_site_label
_atom_site_occupancy
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_adp_type
_atom_site_B_iso_or_equiv
_atom_site_type_symbol
M1 0.9000 0.000000 0.000000 0.000000 Biso 0.360000 Mg
M1 0.1000 0.000000 0.000000 0.000000 Biso 0.360000 Fe
M2 0.9000 0.9901(4) 0.27750(10) 0.250000 Biso 0.440000 Mg
M2 0.1000 0.9901(4) 0.27750(10) 0.250000 Biso 0.440000 Fe
Si 1.0 0.4270(4) 0.09440(10) 0.250000 Biso 0.330000 Si
O1 1.0 0.7665(7) 0.0916(4) 0.250000 Biso 0.400000 O
O2 1.0 0.2191(7) 0.4478(4) 0.250000 Biso 0.400000 O
O3 1.0 0.2782(5) 0.1637(2) 0.0342(4) Biso 0.440000 O
