#------------------------------------------------------------------------------
#$Date: 2009-04-21 17:31:11 +0300 (Tue, 21 Apr 2009) $
#$Revision: 665 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/2001838.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_volume                  49
_journal_year                    1993
_chemical_formula_sum            'Al1 As2 O7 Rb1'
_chemical_formula_weight         374.29
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   '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                     303.9
_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
_[local]_cod_data_source_file    du0330.cif
_[local]_cod_data_source_block   du0330_structure_1_of_1
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)