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#$Date: 2008-04-03 11:11:48 +0100 (Thu, 03 Apr 2008) $
#$Revision: 326 $
#$URL: svn://www.crystallography.net/cod/cif/2/2100739.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_2100739
loop_
_publ_author_name
'Lindqvist, O.'
'Sj\"oberg, J.'
'Hull, S.'
'Pompe, R.'
_publ_section_title
;
Structural changes in O'-sialons,
Si~2-x~Al~x~N~2-x~O~1+x~, 0.04 \/leq
x \/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 'Al0.30 N1.70 O1.30 Si1.70'
_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_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
_diffrn_radiation_type Cu
_diffrn_radiation_wavelength 1.540598
_exptl_crystal_density_diffrn 2.803
_[local]_cod_data_source_file ab0203.cif
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