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#$Date: 2016-02-14 14:26:36 +0000 (Sun, 14 Feb 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/2/00/03/2000322.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_2000322
loop_
_publ_author_name
'Brennan, T. D.'
'Ibers, J. A.'
_publ_section_title
;
 Lanthanum orthosilicate selenide, La~2~SeSiO~4~
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1062
_journal_page_last               1064
_journal_paper_doi               10.1107/S010827019001201X
_journal_volume                  47
_journal_year                    1991
_chemical_formula_sum            'La2 O4 Se Si'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b c m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.279(4)
_cell_length_b                   7.306(5)
_cell_length_c                   11.177(7)
_cell_volume                     512.7(6)
_diffrn_radiation_type           mo
_diffrn_radiation_wavelength     0.7093
_exptl_absorpt_coefficient_mu    23.68
_exptl_crystal_density_diffrn    5.813
_exptl_crystal_F_000             771
_cod_data_source_file            st0474.cif
_cod_data_source_block           st0474a
_cod_original_cell_volume        512.7
_cod_original_sg_symbol_H-M      Pbcm
_cod_original_formula_sum        'La2 Se1 Si1 O4'
_cod_database_code               2000322
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
La(1) .12424(5) .03774(4) .25 .29
La(2) .60658(5) .25 0 .379
Se .41697(10) .40157(9) .25 .469
Si .1102(3) .25 0 .32
O(1) .0479(5) .7686(4) .1161(3) .39
O(2) .2654(5) .0783(4) .0328(3) .39