data_global
_chemical_name_mineral 'Hodgkinsonite'
loop_
_publ_author_name
'Rentzeperis P J'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 119 
_journal_year 1963
_journal_page_first 117
_journal_page_last 138
_publ_section_title
;
 The crystal structure of hodgkinsonite Zn2Mn[(OH)2|SiO4]
 Note: y(H2) corrected
;
_database_code_amcsd 0010606
_chemical_compound_source 'Franklin, New Jersey'
_chemical_formula_sum 'Zn2 Mn Si O6 H2'
_cell_length_a 8.170
_cell_length_b 5.316
_cell_length_c 11.761
_cell_angle_alpha 90
_cell_angle_beta 95.25
_cell_angle_gamma 90
_cell_volume 508.658
_exptl_crystal_density_diffrn      4.072
_symmetry_space_group_name_H-M 'P 1 21/a 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,z'
  '1/2-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
Zn1   0.27320   0.06570   0.07880   0.01094
Zn2   0.60840   0.06230   0.24910   0.01122
Mn1   0.10630   0.24200   0.54820   0.00685
Si   0.06730   0.06660   0.82920   0.00174
O1   0.10670   0.08100   0.19110   0.00659
O2   0.16570   0.04050   0.71510   0.00507
O3   0.81930   0.07020   0.06600   0.00570
O4   0.53840   0.14410   0.86210   0.00329
O5   0.49020   0.08920   0.38360   0.00621
O6   0.84910   0.08820   0.55600   0.00709
H1   0.46600   0.26000   0.33300   0.03166
H2   0.84200  -0.08300   0.60000   0.03166