data_global
_chemical_name_mineral 'Clinochlore'
loop_
_publ_author_name
'Welch M D'
'Marshall W G'
_journal_name_full 'American Mineralogist'
_journal_volume 86 
_journal_year 2001
_journal_page_first 1380
_journal_page_last 1386
_publ_section_title
;
 High-pressure behaviour of clinochlore
 P = 2.46 GPa
;
_database_code_amcsd 0002741
_chemical_formula_sum 'Mg5 Al2 Si3 O18 D8'
_cell_length_a 5.283
_cell_length_b 9.143
_cell_length_c 14.220
_cell_angle_alpha 90
_cell_angle_beta 96.88
_cell_angle_gamma 90
_cell_volume 681.915
_exptl_crystal_density_diffrn      2.746
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+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_occupancy
_atom_site_U_iso_or_equiv
Mg1   0.00000   0.00000   0.00000   1.00000   0.00800
Mg2   0.00000   0.35200   0.00000   1.00000   0.00800
Mg3   0.00000   0.16300   0.50000   1.00000   0.01500
Al4   0.00000   0.50000   0.50000   1.00000   0.01500
SiT   0.21900   0.16100   0.19800   0.75000   0.01100
AlT   0.21900   0.16100   0.19800   0.25000   0.01100
O1   0.19100   0.17100   0.08000   1.00000   0.00900
O2   0.20700   0.00000   0.23300   1.00000   0.01300
O3   0.51600   0.21600   0.23400   1.00000   0.03200
O4   0.17500   0.50000   0.07100   1.00000   0.00400
O5   0.17200   0.00000   0.43600   1.00000   0.04300
O6   0.13400   0.33600   0.43000   1.00000   0.01400
D1   0.23900   0.50000   0.14500   1.00000   0.06400
D2   0.09900   0.00000   0.37400   1.00000   0.07100
D3   0.12600   0.32200   0.35800   1.00000   0.10100