data_global
_chemical_name_mineral 'Uklonskovite'
loop_
_publ_author_name
'Menchetti S'
'Bindi L'
'Belakovskiy D'
'Zaccarini F'
_journal_name_full 'Mineralogical Magazine'
_journal_volume 81 
_journal_year 2017
_journal_page_first 1397
_journal_page_last 1404
_publ_section_title
;
 Structural, chemical and spectroscopic re-examination of type uklonskovite
 leads to its redefinition
;
_database_code_amcsd 0021236
_chemical_compound_source 'Kushkanatau deposit, Kara-Kalpakia, Uzbekistan'
_chemical_formula_sum 'Na Mg S O6 F H4'
_cell_length_a 7.1993
_cell_length_b 7.2215
_cell_length_c 5.7290
_cell_angle_alpha 90
_cell_angle_beta 113.165
_cell_angle_gamma 90
_cell_volume 273.835
_exptl_crystal_density_diffrn      2.406
_symmetry_space_group_name_H-M 'P 1 21/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+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
Na   0.19630   0.25000   0.63230   0.02610
Mg   0.00000   0.00000   0.00000   0.01280
S   0.30710   0.75000   0.85390   0.01220
O1   0.17560   0.58440   0.80050   0.01950
O2   0.40710   0.75000   0.66900   0.01430
O3   0.45690   0.75000   0.11130   0.02530
F1   0.02100   0.25000   0.88590   0.01650
O4W   0.25790   0.45690   0.32960   0.01740
H1   0.33400   0.41900   0.29500   0.03000
H2   0.30700   0.55000   0.41200   0.05000
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
Na 0.02260 0.03080 0.02790 0.00000 0.01320 0.00000
Mg 0.01110 0.00820 0.01850 0.00000 0.00510 0.00040
S 0.00990 0.01000 0.01750 0.00000 0.00610 0.00000
O1 0.02110 0.01480 0.02900 -0.00750 0.01680 -0.00520
O2 0.01600 0.01200 0.01900 0.00000 0.01130 0.00000
O3 0.01700 0.03100 0.02200 0.00000 0.00000 0.00000
F1 0.01850 0.00820 0.02400 0.00000 0.01030 0.00000
O4W 0.01380 0.01460 0.02180 0.00200 0.00480 -0.00550