#------------------------------------------------------------------------------
#$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $
#$Revision: 282068 $
#$URL: file:///home/coder/svn-repositories/cod/cif/5/00/02/5000212.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_5000212
loop_
_publ_author_name
'Fang, J. H.'
'Newnham, R. E.'
_publ_section_title
;
 The Crystal Structure of Sinhalite
;
_journal_issue                   269
_journal_name_full               'Mineralogical Magazine'
_journal_page_first              196
_journal_page_last               199
_journal_paper_doi               10.1180/minmag.1965.035.269.22
_journal_volume                  35
_journal_year                    1965
_chemical_compound_source        'Sri Lanka'
_chemical_formula_sum            'Al Mg B O4'
_chemical_name_mineral           Sinhalite
_chemical_name_systematic        'Aluminium magnesium tetraoxoborate'
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.878
_cell_length_b                   5.675
_cell_length_c                   4.328
_cell_volume                     242.6
_database_code_amcsd             0014441
_exptl_crystal_density_diffrn    3.452
_exptl_crystal_density_meas      3.49(0)
_refine_ls_R_factor_all          0.11
_cod_database_code               5000212
loop_
_space_group_symop_operation_xyz
x,y,z
1/2+x,1/2-y,1/2-z
-x,1/2+y,-z
1/2-x,-y,1/2+z
-x,-y,-z
1/2-x,1/2+y,1/2+z
x,1/2-y,z
1/2+x,y,1/2-z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
Al1 Al3+ 4 a 0. 0. 0. 1. 0 d
Mg1 Mg2+ 4 c 0.2762(3) 0.25 -0.0164(7) 1. 0 d
B1 B3+ 4 c 0.0884(8) 0.25 0.4057(18) 1. 0 d
O1 O2- 4 c 0.0798(4) 0.25 0.7418(9) 1. 0 d
O2 O2- 4 c 0.4450(4) 0.25 0.2559(9) 1. 0 d
O3 O2- 8 d 0.1487(4) 0.0410(7) 0.2658(9) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Al3+ 3.000
Mg2+ 2.000
B3+ 3.000
O2- -2.000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0014441