data_9013904
_publ_section_title
;
 The crystal structure of wolframite type tungstates at high pressure
 Locality: synthetic
 Note: P = 3.02 GPa
;
_journal_name_full               'Zeitschrift fur Kristallographie'
_journal_page_first              193
_journal_page_last               208
_journal_volume                  207
_journal_year                    1993
_chemical_formula_structural     Mg(WO4)
_chemical_formula_sum            'Mg O4 W'
_chemical_name_mineral           Huanzalait
_space_group_IT_number           13
_symmetry_space_group_name_Hall  '-P 2yc'
_symmetry_space_group_name_H-M   'P 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 90.64
_cell_angle_gamma                90
_cell_length_a                   4.660
_cell_length_b                   5.6406
_cell_length_c                   4.910
_cell_volume                     129.052
_diffrn_ambient_pressure         3.02e+06
_exptl_crystal_density_diffrn    7.004
_[local]_cod_chemical_formula_sum_orig 'Mg W O4'
_cod_database_code               9013904
loop_
_symmetry_equiv_pos_as_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_U_iso_or_equiv
Mg 0.50000 0.67300 0.25000 0.01000
W 0.00000 0.18250 0.25000 0.00630
O1 0.22000 0.10600 0.93900 0.00800
O2 0.25600 0.37800 0.40100 0.00600
