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#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/74/1537453.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_1537453
loop_
_publ_author_name
'Iskhakova, L.D.'
'Rybakov, V.B.'
_publ_section_title
;
 Crystal structure of Li2 Mg Si O4
;
_journal_name_full               Kristallografiya
_journal_page_first              44
_journal_page_last               48
_journal_volume                  48
_journal_year                    2003
_chemical_formula_sum            'Li2 Mg O4 Si'
_chemical_name_systematic        'Li2 Mg (Si O4)'
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 90.46
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.9924
_cell_length_b                   10.681
_cell_length_c                   6.2889
_cell_volume                     335.337
_citation_journal_id_ASTM        KRISAJ
_cod_data_source_file            Iskhakova_KRISAJ_2003_420.cif
_cod_data_source_block           Li2Mg1O4Si1
_cod_original_cell_volume        335.3374
_cod_original_sg_symbol_Hall     '-P 2ybc (x-z,y,z)'
_cod_original_formula_sum        'Li2 Mg1 O4 Si1'
_cod_database_code               1537453
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,y+1/2,-z+1/2
-x,-y,-z
x-1/2,-y-1/2,z-1/2
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
Mg2 Mg+2 0.1927 0.1639 0.499 0.2 0.0
Li1 Li+1 0.1917 0.1646 0.0014 0.22 0.0
O4 O-2 0.2921 0.3398 0.0421 1 0.0
Li3 Li+1 0.2917 0.4253 0.7596 0.98 0.0
O2 O-2 0.2112 0.0577 0.2514 1 0.0
O3 O-2 0.2947 0.3408 0.4666 1 0.0
Si1 Si+4 0.1857 0.4131 0.2584 1 0.0
Mg1 Mg+2 0.1917 0.1646 0.0014 0.78 0.0
O1 O-2 0.8586 0.4087 0.2549 1 0.0
Mg3 Mg+2 0.2917 0.4253 0.7596 0.02 0.0
Li2 Li+1 0.1927 0.1639 0.499 0.8 0.0
