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#$Date: 2014-07-11 17:35:18 +0300 (Fri, 11 Jul 2014) $
#$Revision: 120071 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/51/08/1510800.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_1510800
loop_
_publ_author_name
'Chen, J.-T.'
'Lin, Q.-S.'
'Huang, J.-S.'
'Cheng, W.-D.'
_publ_section_title
;
 Crystal and electronic structures and linear optics of strontium
 pyroborate
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              30
_journal_page_last               34
_journal_volume                  144
_journal_year                    1999
_chemical_formula_sum            'B2 O5 Sr2'
_chemical_name_systematic        'Sr2 (B2 O5)'
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 92.71
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.719
_cell_length_b                   5.341
_cell_length_c                   11.873
_cell_volume                     488.943
_citation_journal_id_ASTM        JSSCBI
_[local]_cod_data_source_file    boron_302.cif
_[local]_cod_data_source_block   B2O5Sr2
_cod_original_cell_volume        488.9429
_cod_database_code               1510800
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,y+1/2,-z+1/2
-x,-y,-z
x,-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
O4 O-2 0.8537 0.698 0.4279 1 0.0
Sr2 Sr+2 0.11767 0.4502 0.36749 1 0.0
O5 O-2 0.7463 0.101 0.4927 1 0.0
B1 B+3 0.66 0.068 0.595 1 0.0
O2 O-2 0.6071 0.212 0.1404 1 0.0
B2 B+3 0.839 -0.047 0.4159 1 0.0
O1 O-2 0.3571 0.151 0.3517 1 0.0
Sr1 Sr+2 0.62319 0.4098 0.34069 1 0.0
O3 O-2 0.9013 0.092 0.3313 1 0.0
_journal_paper_doi 10.1006/jssc.1998.8100