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 = 1.2 GPa
;
_database_code_amcsd 0002740
_chemical_formula_sum 'Mg5 Al2 Si3 O18 D8'
_cell_length_a 5.308
_cell_length_b 9.186
_cell_length_c 14.316
_cell_angle_alpha 90
_cell_angle_beta 97.27
_cell_angle_gamma 90
_cell_volume 692.426
_exptl_crystal_density_diffrn      2.704
_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   0.01000
Mg2   0.00000   0.35100   0.00000   1.00000   0.01000
Mg3   0.00000   0.16800   0.50000   1.00000   0.01500
Al4   0.00000   0.50000   0.50000   1.00000   0.01500
SiT   0.23300   0.16200   0.19500   0.75000   0.01600
AlT   0.23300   0.16200   0.19500   0.25000   0.01600
O1   0.20200   0.17300   0.08100   1.00000   0.00800
O2   0.21000   0.00000   0.23000   1.00000   0.02000
O3   0.51600   0.22100   0.23500   1.00000   0.04000
O4   0.17600   0.50000   0.06800   1.00000   0.01200
O5   0.17600   0.00000   0.43300   1.00000   0.02700
O6   0.13500   0.33900   0.43200   1.00000   0.01600
D1   0.22100   0.50000   0.14100   1.00000   0.06900
D2   0.12300   0.00000   0.36900   1.00000   0.03900
D3   0.10900   0.32400   0.36000   1.00000   0.11800