data_global
_chemical_name_mineral 'Sanmartinite'
loop_
_publ_author_name
'Redfern S A T'
'Bell A M T'
'Henderson M B'
'Schofield P F'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 7 
_journal_year 1995
_journal_page_first 1019
_journal_page_last 1028
_publ_section_title
;
 Rietveld study of the structural phase transition in the
 sanmartinite (ZnWO4)- cuproscheelite (CuWO4) solid solution
 Sample: x=0.85
;
_database_code_amcsd 0006600
_chemical_formula_sum '(Cu.15 Zn.85) W O4'
_cell_length_a 4.687
_cell_length_b 5.726
_cell_length_c 4.920
_cell_angle_alpha 90
_cell_angle_beta 90.85
_cell_angle_gamma 90
_cell_volume 132.027
_exptl_crystal_density_diffrn      7.872
_symmetry_space_group_name_H-M 'P 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,-y,1/2+z'
  '-x,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_occupancy
_atom_site_U_iso_or_equiv
CuM   0.50000   0.68580   0.25000   0.15000   0.00975
ZnM   0.50000   0.68580   0.25000   0.85000   0.00975
W   0.00000   0.18210   0.25000   1.00000   0.00659
O1   0.21400   0.11000   0.93300   1.00000   0.00253
O2   0.25700   0.36150   0.40400   1.00000   0.00253