data_global
_chemical_name_mineral 'Leucophoenicite'
loop_
_publ_author_name
'Moore P B'
_journal_name_full 'American Mineralogist'
_journal_volume 55 
_journal_year 1970
_journal_page_first 1146
_journal_page_last 1166
_publ_section_title
;
 Edge-sharing silicate tetrahedra in the crystal structure of leucophoenicite
;
_database_code_amcsd 0000206
_chemical_compound_source 'Franklin, New Jersey, USA'
_chemical_formula_sum 'Mn7 Si3 O14 H2'
_cell_length_a 10.842
_cell_length_b 4.826
_cell_length_c 11.324
_cell_angle_alpha 90
_cell_angle_beta 103.93
_cell_angle_gamma 90
_cell_volume 575.086
_exptl_crystal_density_diffrn      4.013
_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_occupancy
_atom_site_U_iso_or_equiv
Mn1   0.00000   0.00000   0.00000   1.00000   0.00925
Mn2   0.31490   0.01500   0.13960   1.00000   0.01013
Mn3   0.33080   0.49420   0.41100   1.00000   0.00874
Mn4   0.07810  -0.01050   0.29670   1.00000   0.01013
Si1   0.02460   0.41440   0.43810   0.50000   0.00595
Si2   0.12870   0.57310   0.14390   1.00000   0.00405
O1   0.49070  -0.21350   0.14580   1.00000   0.00608
O2   0.33450   0.21370  -0.02650   1.00000   0.00925
O3   0.22890  -0.28790   0.26140   1.00000   0.00963
O4   0.42070   0.23480   0.30580   0.50000   0.01596
O-H4   0.42070   0.23480   0.30580   0.50000   0.01596
O5   0.17360   0.26260   0.43910   0.50000   0.01140
O-H5   0.17360   0.26260   0.43910   0.50000   0.01140
O6   0.12900   0.23900   0.14500   1.00000   0.01001
O7   0.52540   0.77080   0.43790   1.00000   0.01507