#------------------------------------------------------------------------------
#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/87/1528742.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_1528742
loop_
_publ_author_name
'Moore, P.B.'
_publ_section_title
;
 Crystal chemistry of the basic manganese arsenate minerals 1. The crystal
 structures of flinkite, Mn(II)2 Mn(III) (O H)4 (As O4) and retzian,
 Mn(II)2 Y(III) (O H)4 As O4
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1603
_journal_page_last               1613
_journal_volume                  52
_journal_year                    1967
_chemical_formula_sum
'As0.95 Ce0.28 H4 Mg0.2 Mn1.8 O8 Si0.05 Y0.72'
_chemical_name_systematic
;
(Mn1.8 Mg0.2) (Y0.72 Ce0.28) (O H)4 (As0.95 Si0.05 O4)
;
_space_group_IT_number           50
_symmetry_space_group_name_Hall  '-P 2ab 2b'
_symmetry_space_group_name_H-M   'P b a n :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.67
_cell_length_b                   12.03
_cell_length_c                   4.863
_cell_volume                     331.706
_citation_journal_id_ASTM        AMMIAY
_cod_data_source_file            Moore_AMMIAY_1967_363.cif
_cod_data_source_block           H4As0.95Ce0.28Mg0.2Mn1.8O8Si0.05Y0.72
_cod_original_cell_volume        331.7057
_cod_original_formula_sum
'H4 As0.95 Ce0.28 Mg0.2 Mn1.8 O8 Si0.05 Y0.72'
_cod_database_code               1528742
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,-y+1/2,z
x,-y+1/2,-z
-x+1/2,y,-z
-x,-y,-z
x-1/2,y-1/2,-z
-x,y-1/2,z
x-1/2,-y,z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Si1 Si+4 0.75 0.25 0.5 0.05 0.0
Y1 Y+3 0.25 0.25 0 0.72 0.0
O2 O-2 0.5783 0.577 0.201 1 0.0
Ce1 Ce+3 0.25 0.25 0 0.28 0.0
Mg1 Mg+2 0.25 0.5548 0 0.1 0.0
As1 As+5 0.75 0.25 0.5 0.95 0.0
Mn1 Mn+2 0.25 0.5548 0 0.9 0.0
O1 O-2 0.5769 0.3198 0.3045 1 0.0
