#------------------------------------------------------------------------------
#$Date: 2015-10-13 01:03:08 +0300 (Tue, 13 Oct 2015) $
#$Revision: 166908 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/83/1538380.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_1538380
loop_
_publ_author_name
'Novak, G.A.'
'Gibbs, G.V.'
_publ_section_title
;
 The crystal chemistry of the silicate garnets
;
_journal_name_full               'American Mineralogist'
_journal_page_first              791
_journal_page_last               823
_journal_volume                  56
_journal_year                    1971
_chemical_formula_sum            'Cr2 Mg3 O12 Si3'
_chemical_name_systematic        'Mg3 Cr2 Si3 O12'
_space_group_IT_number           230
_symmetry_space_group_name_Hall  '-I 4bd 2c 3'
_symmetry_space_group_name_H-M   'I a -3 d'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   11.64
_cell_length_b                   11.64
_cell_length_c                   11.64
_cell_volume                     1577.099
_citation_journal_id_ASTM        AMMIAY
_cod_data_source_file            Novak_AMMIAY_1971_1822.cif
_cod_data_source_block           Cr2Mg3O12Si3
_cod_database_code               1538380
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y+1/4,x+3/4,z+1/4
-x+1/2,-y,z+1/2
y+1/4,-x+1/4,z+3/4
x,-y,-z+1/2
y+1/4,x+3/4,-z+3/4
-x+1/2,y,-z
-y+1/4,-x+1/4,-z+1/4
z,x,y
-x+1/4,z+3/4,y+1/4
-z+1/2,-x,y+1/2
x+1/4,-z+1/4,y+3/4
z,-x,-y+1/2
x+1/4,z+3/4,-y+3/4
-z+1/2,x,-y
-x+1/4,-z+1/4,-y+1/4
y,z,x
y+1/2,-z+1/2,-x
z+3/4,y+1/4,-x+1/4
-y,z+1/2,-x+1/2
-z+1/4,-y+1/4,-x+1/4
-y+1/2,-z,x+1/2
z+3/4,-y+3/4,x+1/4
-z+3/4,y+1/4,x+3/4
-x,-y,-z
y-1/4,-x-3/4,-z-1/4
x-1/2,y,-z-1/2
-y-1/4,x-1/4,-z-3/4
-x,y,z-1/2
-y-1/4,-x-3/4,z-3/4
x-1/2,-y,z
y-1/4,x-1/4,z-1/4
-z,-x,-y
x-1/4,-z-3/4,-y-1/4
z-1/2,x,-y-1/2
-x-1/4,z-1/4,-y-3/4
-z,x,y-1/2
-x-1/4,-z-3/4,y-3/4
z-1/2,-x,y
x-1/4,z-1/4,y-1/4
-y,-z,-x
-y-1/2,z-1/2,x
-z-3/4,-y-1/4,x-1/4
y,-z-1/2,x-1/2
z-1/4,y-1/4,x-1/4
y-1/2,z,-x-1/2
-z-3/4,y-3/4,-x-1/4
z-3/4,-y-1/4,-x-3/4
x+1/2,y+1/2,z+1/2
-y+3/4,x+5/4,z+3/4
-x+1,-y+1/2,z+1
y+3/4,-x+3/4,z+5/4
x+1/2,-y+1/2,-z+1
y+3/4,x+5/4,-z+5/4
-x+1,y+1/2,-z+1/2
-y+3/4,-x+3/4,-z+3/4
z+1/2,x+1/2,y+1/2
-x+3/4,z+5/4,y+3/4
-z+1,-x+1/2,y+1
x+3/4,-z+3/4,y+5/4
z+1/2,-x+1/2,-y+1
x+3/4,z+5/4,-y+5/4
-z+1,x+1/2,-y+1/2
-x+3/4,-z+3/4,-y+3/4
y+1/2,z+1/2,x+1/2
y+1,-z+1,-x+1/2
z+5/4,y+3/4,-x+3/4
-y+1/2,z+1,-x+1
-z+3/4,-y+3/4,-x+3/4
-y+1,-z+1/2,x+1
z+5/4,-y+5/4,x+3/4
-z+5/4,y+3/4,x+5/4
-x+1/2,-y+1/2,-z+1/2
y+1/4,-x-1/4,-z+1/4
x,y+1/2,-z
-y+1/4,x+1/4,-z-1/4
-x+1/2,y+1/2,z
-y+1/4,-x-1/4,z-1/4
x,-y+1/2,z+1/2
y+1/4,x+1/4,z+1/4
-z+1/2,-x+1/2,-y+1/2
x+1/4,-z-1/4,-y+1/4
z,x+1/2,-y
-x+1/4,z+1/4,-y-1/4
-z+1/2,x+1/2,y
-x+1/4,-z-1/4,y-1/4
z,-x+1/2,y+1/2
x+1/4,z+1/4,y+1/4
-y+1/2,-z+1/2,-x+1/2
-y,z,x+1/2
-z-1/4,-y+1/4,x+1/4
y+1/2,-z,x
z+1/4,y+1/4,x+1/4
y,z+1/2,-x
-z-1/4,y-1/4,-x+1/4
z-1/4,-y+1/4,-x-1/4
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
O1 O-2 0.0343 0.0528 0.656 1 0.0
Mg1 Mg+2 0.125 0 0.25 1 0.0
Cr1 Cr+3 0 0 0 1 0.0
Si1 Si+4 0.375 0 0.25 1 0.0
