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#$Date: 2018-06-14 04:32:00 +0300 (Thu, 14 Jun 2018) $
#$Revision: 208360 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/00/18/2001838.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_2001838
loop_
_publ_author_name
'Boughzala, H.'
'Driss, A.'
'Jouini, T.'
_publ_section_title
;
 Structure de RbAlAs~2~O~7~
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              425
_journal_page_last               427
_journal_paper_doi               10.1107/S0108270192006772
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'Al As2 O7 Rb'
_chemical_formula_weight         374.29
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_cell_angle_alpha                102.60(10)
_cell_angle_beta                 103.89(7)
_cell_angle_gamma                96.70(10)
_cell_formula_units_Z            2
_cell_length_a                   8.233(5)
_cell_length_b                   6.34(2)
_cell_length_c                   6.241(5)
_cell_volume                     303.7(10)
_diffrn_radiation_type           Ag
_diffrn_radiation_wavelength     0.5608
_exptl_absorpt_coefficient_mu    5.385
_exptl_crystal_density_diffrn    4.09
_exptl_crystal_density_meas      3.9(3)
_exptl_crystal_F_000             344
_cod_data_source_file            du0330.cif
_cod_data_source_block           du0330_structure_1_of_1
_cod_depositor_comments
;
 Updating space group information and adding the symmetry operation list.

 Antanas Vaitkus,
 2018-06-14
;
_cod_original_cell_volume        303.9
_cod_original_formula_sum        'Al1 As2 O7 Rb1'
_cod_database_code               2001838
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 x,y,z
2 -x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
As(1) .3360(10) .24280(10) .49090(10)
As(2) .18680(10) .52750(10) .82320(10)
Al .2286(3) .6860(3) .3757(4)
Rb(1) .0 .0 .0
Rb(2) .5 .0 .0
O(1) .2295(7) -.0110(8) .4230(9)
O(2) .5333(7) .2556(9) .4696(9)
O(3) .2225(7) .3780(8) .3250(9)
O(4) .3391(7) .3620(9) .7739(9)
O(5) .0085(7) .3544(8) .7757(9)
O(6) .1873(7) .7077(9) .6665(10)
O(7) .2721(7) .6766(8) 1.0896(8)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
As(1) O(1) 1.652(5)
As(1) O(2) 1.653(5)
As(1) O(3) 1.674(5)
As(1) O(4) 1.756(6)
As(2) O(5) 1.649(5)
As(2) O(6) 1.658(5)
As(2) O(7) 1.661(6)
As(2) O(4) 1.766(5)
Al O(3) 1.901(6)
Al O(6) 1.906(6)