data_global
_chemical_name_mineral 'Paradamite'
loop_
_publ_author_name
'Bennett T J'
_journal_name_full 'American Mineralogist'
_journal_volume 65 
_journal_year 1980
_journal_page_first 353
_journal_page_last 354
_publ_section_title
;
 Crystal structure of paradamite
;
_database_code_amcsd 0000780
_chemical_formula_sum 'Zn2 As O5'
_cell_length_a 5.830
_cell_length_b 6.711
_cell_length_c 5.648
_cell_angle_alpha 104.7
_cell_angle_beta 92.3
_cell_angle_gamma 76.8
_cell_volume 208.061
_exptl_crystal_density_diffrn      4.560
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,y,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
Zn1   0.74990   0.50080   0.39250 ?
Zn2   0.26470   0.18690   0.02140 ?
As   0.75180   0.27600   0.83160 ?
O1   0.03200   0.14000   0.76400   0.02913
O2   0.61200   0.12500   0.94200   0.03040
O3   0.61400   0.33300   0.58100   0.02913
O4   0.25300   0.49800   0.95600   0.02533
O5   0.11200   0.30200   0.35300   0.02153
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Zn1 0.01950 0.02130 0.02190 0.00040 0.00050 0.00550
Zn2 0.01640 0.01590 0.02250 0.00110 -0.00050 0.00410
As 0.01150 0.01390 0.02170 0.00100 0.00020 0.00420