data_global
_chemical_name_mineral 'Urusovite'
loop_
_publ_author_name
'Krivovichev S V'
'Molchanov A V'
'Filatov S K'
_journal_name_full 'Crystallography Reports'
_journal_volume 45 
_journal_year 2000
_journal_page_first 723
_journal_page_last 727
_publ_section_title
;
 Crystal structure of urusovite Cu(AlAsO5): a new type of an aluminoarsenate
 tetrahedral polyanion
;
_database_code_amcsd 0012367
_chemical_compound_source 'Kamchatka peninsula, Russia'
_chemical_formula_sum 'Cu Al As O5'
_cell_length_a 7.335
_cell_length_b 10.255
_cell_length_c 5.599
_cell_angle_alpha 90
_cell_angle_beta 99.79
_cell_angle_gamma 90
_cell_volume 415.026
_exptl_crystal_density_diffrn      3.928
_symmetry_space_group_name_H-M 'P 1 21/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,1/2+z'
  '-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Cu   0.46180   0.14033   0.90950   0.01020
Al   0.14550   0.17700   0.43550   0.00800
As   0.72570   0.10839   0.42610   0.00820
O1   0.62310   0.04070   0.15960   0.01300
O2   0.90410   0.19960   0.37450   0.01230
O3   0.57070   0.19460   0.54700   0.01100
O4   0.23540   0.22230   0.73280   0.01010
O5   0.19840   0.01360   0.38440   0.01300