data_2001838
_journal_name_full 'Acta Crystallographica, Section C'
_journal_year 1993
_journal_volume C49
_journal_page_first 425
_journal_page_last 427
loop_
_publ_author_name
'Boughzala, H.'
'Driss, A.'
'Jouini, T.'
_chemical_formula_moiety ?
_chemical_formula_sum 'Al1 As2 O7 Rb1'
_chemical_formula_weight 374.29
_symmetry_cell_setting triclinic
_symmetry_space_group_name_H-M 'P -1'
_symmetry_space_group_name_Hall ?
_cell_length_a 8.233(5)
_cell_length_b 6.34(2)
_cell_length_c 6.241(5)
_cell_angle_alpha 102.60(10)
_cell_angle_beta 103.89(7)
_cell_angle_gamma 96.70(10)
_cell_volume 303.9
_cell_formula_units_Z 2
_exptl_crystal_density_diffrn 4.09
_exptl_crystal_density_meas 3.9(3)
_exptl_crystal_F_000 344
_exptl_absorpt_coefficient_mu 5.385
_diffrn_radiation_type Ag
_diffrn_radiation_wavelength 0.5608
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)