#------------------------------------------------------------------------------
#$Date: 2012-02-03 17:16:24 +0000 (Fri, 03 Feb 2012) $
#$Revision: 32112 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/07/2100739.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_2100739
loop_
_publ_author_name
'Lindqvist, O.'
'Sj\"oberg, J.'
'Hull, S.'
'Pompe, R.'
_publ_section_title
;
 Structural changes in O'-sialons,
 Si~2{-~<i>x</i>}Al~<i>x~</i>N~2{-~<i>x</i>}O~1+<i>x~</i>, 0.04 {\/leq}
 <i>x</i> {\/leq} 0.40
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              672
_journal_page_last               678
_journal_volume                  47
_journal_year                    1991
_chemical_formula_sum            'Al0.3 N1.7 O1.3 Si1.7'
_chemical_formula_weight         100.45
_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                   8.9161(13)
_cell_length_b                   5.4956(7)
_cell_length_c                   4.8574(5)
_cell_volume                     238.01(5)
_diffrn_radiation_type           Cu
_diffrn_radiation_wavelength     1.540598
_exptl_crystal_density_diffrn    2.803
_[local]_cod_data_source_file    ab0203.cif
_[local]_cod_data_source_block   ab0203d
_[local]_cod_chemical_formula_sum_orig 'Al0.30 N1.70 O1.30 Si1.70'
_cod_original_cell_volume        238.01
_cod_database_code               2100739
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si_Al .1781(3) .1495(5) .2803(9)
N_O(1) .21830(10) .1243(2) .6276(7)
O(2) .0 .2134(5) .23