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#$Date: 2011-09-17 21:27:16 +0100 (Sat, 17 Sep 2011) $
#$Revision: 26029 $
#$URL: svn://www.crystallography.net/cod/cif/2/2000185.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_2000185
loop_
_publ_author_name
'Sj\"oberg, J.'
'Helgesson, G.'
'Idrestedt, I.'
_publ_section_title
;
 Refinement of the structure of Si~2~N~2~O
;
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              2438
_journal_page_last               2441
_journal_volume                  47
_journal_year                    1991
_chemical_formula_sum            'N2 O Si2'
_[local]_cod_chemical_formula_sum_orig 'N2 O1 Si2'
_chemical_formula_weight         100.18
_symmetry_cell_setting           orthorhombic
_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                   8.8723(12)
_cell_length_b                   5.4921(4)
_cell_length_c                   4.8495(6)
_cell_volume                     236.30(5)
_diffrn_radiation_type           Cu
_diffrn_radiation_wavelength     1.54178
_exptl_absorpt_coefficient_mu    11.4
_exptl_crystal_density_diffrn    2.816
_exptl_crystal_F_000             200
_[local]_cod_data_source_file    ab0210.cif
_[local]_cod_data_source_block   ab0210a
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
O(1) 0.000 0.2127(7) 0.2300
Si(1) 0.17680(10) 0.1511(2) 0.2815(8)
N(1) 0.2190(4) 0.1229(5) 0.6267(12)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
Si(1) O(1) 1.6240(10)
Si(1) N(1) 1.720(4)
Si(1) N(1) 1.722(7)
Si(1) N(1) 1.723(4)
_cod_database_code 2000185