data_global
_chemical_name_mineral 'Carpholite'
loop_
_publ_author_name
'Naumova I S'
'Pobedimskaya E A'
'Belov N V'
_journal_name_full 'Kristallografiya'
_journal_volume 19 
_journal_year 1974
_journal_page_first 1155
_journal_page_last 1160
_publ_section_title
;
 Crystal structure of carpholite MnAl2(Si2O6)(OH)4
;
_database_code_amcsd 0017756
_chemical_formula_sum 'Mn Al2 Si2 (O10 H4)'
_cell_length_a 13.831
_cell_length_b 20.296
_cell_length_c 5.121
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1437.536
_exptl_crystal_density_diffrn      3.041
_symmetry_space_group_name_H-M 'C c c a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,1/2+y,1/2+z'
  '1/2-x,+y,1/2+z'
  'x,1/2-y,1/2-z'
  '1/2+x,-y,1/2-z'
  'x,1/2+y,-z'
  '1/2+x,+y,-z'
  '-x,1/2-y,z'
  '1/2-x,-y,z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Mn   0.00000   0.87270   0.75000   0.00545
Al1   0.19330   0.75000   0.75000   0.00380
Al2   0.00000   0.96140   0.25000   0.00557
Si   0.19410   0.87940   0.41300   0.00317
O-H1   0.10350   0.80720   0.88720   0.01216
O2   0.20630   0.80000   0.43320   0.00887
O3   0.24480   0.91140   0.67090   0.00545
O4   0.08250   0.89930   0.39830   0.00836
O-H5   0.06870   0.96700   0.93120   0.00823