data_global
_chemical_name_mineral 'Chlorite'
loop_
_publ_author_name
'Lister J S'
'Bailey S W'
_journal_name_full 'American Mineralogist'
_journal_volume 52 
_journal_year 1967
_journal_page_first 1614
_journal_page_last 1631
_publ_section_title
;
 Chlorite polytypism: IV. Regular two-layer structures
 refined structure
;
_database_code_amcsd 0000162
_chemical_formula_sum 'Mg3 Si2 O9 H4'
_cell_length_a 5.335
_cell_length_b 9.240
_cell_length_c 28.735
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1416.503
_exptl_crystal_density_diffrn      2.599
_symmetry_space_group_name_H-M 'C 1'
loop_
_space_group_symop_operation_xyz
  '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
Mg1   0.00000   0.00000   0.00000
Mg2   0.00700   0.32900   0.00200
Mg3   0.98700   0.66000   0.99600
Mg4   0.16400   0.17000   0.25000
Mg5   0.18000   0.50200   0.25000
Mg6   0.17600   0.83200   0.25000
Mg7   0.02100   0.99200   0.49800
Mg8   0.98400   0.32900   0.49600
Mg9   0.01500   0.65600   0.49700
Mg10   0.33800   0.00200   0.75000
Mg11   0.34500   0.33500   0.75000
Mg12   0.34800   0.66800   0.75000
Si1   0.33600   0.33800   0.15200
Si2   0.33900   0.67200   0.15400
Si3   0.00400   0.00100   0.34800
Si4   0.00600   0.67100   0.34400
Si5   0.17000   0.16700   0.65600
Si6   0.17000   0.83700   0.65300
Si7   0.99200   0.00500   0.84400
Si8   0.99200   0.67100   0.84500
O1   0.09800   0.76000   0.13200
O2   0.59000   0.73000   0.13800
O3   0.32200   0.51200   0.13800
O4   0.33300   0.33300   0.21400
O5   0.33300   0.66700   0.21400
O6   0.21500   0.57000   0.37100
O7   0.73900   0.62000   0.35800
O8   0.51400   0.31600   0.36900
O9   0.00000   0.00000   0.28600
O10   0.00000   0.66700   0.28600
O11   0.41000   0.73200   0.64000
O12   0.91400   0.75800   0.63400
O13   0.67800   0.50800   0.64000
O14   0.16700   0.16700   0.71400
O15   0.16700   0.83300   0.71400
O16   0.27800   0.62100   0.85900
O17   0.77800   0.57100   0.87200
O18   0.45000   0.32800   0.86700
O19   0.00000   0.00000   0.78600
O20   0.00000   0.66700   0.78600
O-H1   0.38600   0.00200   0.96700
O-H2   0.36600   0.34700   0.96700
O-H3   0.37800   0.66700   0.96700
O-H4   0.17200   0.15500   0.03400
O-H5   0.15600   0.50400   0.03400
O-H6   0.15400   0.82600   0.03400
O-H7   0.33300   0.00000   0.21400
O-H8   0.00000   0.33300   0.28600
O-H9   0.16800   0.16700   0.46700
O-H10   0.14000   0.50500   0.46700
O-H11   0.16600   0.84300   0.46700
O-H12   0.36300   0.00200   0.53400
O-H13   0.37100   0.32700   0.53400
O-H14   0.38400   0.64800   0.53400
O-H15   0.16700   0.50000   0.71400
O-H16   0.00000   0.33300   0.78600