#------------------------------------------------------------------------------
#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/2/30/05/2300529.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2300529
loop_
_publ_author_name
'Srinivasa, S.R.'
'Jorgensen, J.D.'
'Cartz, L.'
'Worlton, T.G.'
'Beyerlein, R.A.'
'Billy, M.'
_publ_section_title
;
 High-pressure neutron diffraction study of Si2 N2 O
;
_journal_name_full               'Journal of Applied Crystallography'
_journal_page_first              167
_journal_page_last               171
_journal_volume                  10
_journal_year                    1977
_chemical_formula_sum            'N2 O Si2'
_chemical_name_systematic        'Si2 N2 O'
_space_group_IT_number           36
_symmetry_space_group_name_Hall  'C 2c -2'
_symmetry_space_group_name_H-M   'C m c 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.847
_cell_length_b                   5.452
_cell_length_c                   4.824
_cell_volume                     232.680
_citation_journal_id_ASTM        JACGAR
_cod_data_source_file            Srinivasa_JACGAR_1977_264.cif
_cod_data_source_block           N2O1Si2
_cod_original_cell_volume        232.6801
_cod_original_formula_sum        'N2 O1 Si2'
_cod_database_code               2300529
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-y,z+1/2
-x,y,z
x,-y,z+1/2
x+1/2,y+1/2,z
-x+1/2,-y+1/2,z+1/2
-x+1/2,y+1/2,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
O1 O-2 0 0.217 0.23 1 0.0
Si1 Si+4 0.179 0.147 0.297 1 0.0
N1 N-3 0.2149 0.127 0.64 1 0.0
