#------------------------------------------------------------------------------
#$Date: 2016-02-13 19:28:24 +0000 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/25/1532518.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_1532518
loop_
_publ_author_name
'Kroll, P.'
'Milko, M.'
_publ_section_title
;
 Theoretical investigation of the solid state reaction of silicon nitride
 and silicon dioxide forming silicon oxynitride (Si2 N2 O) under pressure
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              1737
_journal_page_last               1750
_journal_volume                  629
_journal_year                    2003
_chemical_formula_sum            'N2 O Si2'
_chemical_name_systematic        'Si2 N2 O'
_space_group_IT_number           141
_symmetry_space_group_name_Hall  '-I 4bd 2'
_symmetry_space_group_name_H-M   'I 41/a m d :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   5.4158
_cell_length_b                   5.4158
_cell_length_c                   23.0433
_cell_volume                     675.880
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Kroll_ZAACAB_2003_1073.cif
_cod_data_source_block           N2O1Si2
_cod_original_cell_volume        675.8806
_cod_original_formula_sum        'N2 O1 Si2'
_cod_database_code               1532518
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
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
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
-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+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+1/2
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+1/2
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+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
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 0 0 1 0.0
N2 N-3 0 0.0131 0.4128 1 0.0
Si3 Si+4 0 0.0002 0.332 1 0.0
Si2 Si+4 0 0.25 0.2061 1 0.0
O1 O-2 0 0.035 0.0764 1 0.0
N1 N-3 0 0.5128 0.2506 1 0.0