Larixite: Crystal Structures for X-ray Absorption Spectroscopy About

Search the American Mineralogist Crystal Structures
(example: hem*)
(example: O, Fe, Si)

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CIF Text:


data_global
_chemical_name_mineral 'Greenalite'
loop_
_publ_author_name
'Shirozu H'
'Bailey S W'
_journal_name_full 'American Mineralogist'
_journal_volume 50
_journal_year 1965
_journal_page_first 868
_journal_page_last 885
_publ_section_title
;
 Chlorite polytypism: III. Crystal structure of an orthohexagonal iron chlorite
;
_database_code_amcsd 136
_chemical_formula_sum 'Fe1.71 Mg.645 Al1.305 Si1.34 O9 H4'
_cell_length_a 5.39
_cell_length_b 9.336
_cell_length_c 14.166
_cell_angle_alpha 90.0
_cell_angle_beta 90.0
_cell_angle_gamma 90.0
_cell_volume 712.848
_exptl_crystal_density_diffrn  3.094
_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
Fe1   0.0  0.0  0.0  0.67  2.0
Mg1   0.0  0.0  0.0  0.165  2.0
Al1   0.0  0.0  0.0  0.165  2.0
Fe2   0.0  0.333333  0.0  0.67  2.0
Mg2   0.0  0.333333  0.0  0.165  2.0
Al2   0.0  0.333333  0.0  0.165  2.0
Fe3   0.0  0.0  0.5  0.47  2.0
Mg3   0.0  0.0  0.5  0.265  2.0
Al3   0.0  0.0  0.5  0.265  2.0
Fe4   0.0  0.333333  0.5  0.47  2.0
Mg4   0.0  0.333333  0.5  0.265  2.0
Al4   0.0  0.333333  0.5  0.265  2.0
Si   0.3328  0.333333  0.1949  0.67  0.01798
Al   0.3328  0.333333  0.1949  0.33  0.01798
O1   0.3349  0.333333  0.077  1.0  0.02394
O-H1   0.3349  0.0  0.077  1.0  0.02394
O2   0.094  0.236  0.236  1.0  0.02698
O3   0.31  0.5  0.236  1.0  0.01912
O-H2   0.1656  0.16667  0.4303  1.0  0.03268
O-H3   0.1656  0.5  0.4303  1.0  0.03268
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Fe1   0.01089  0.01545  0.02948  -0.0051  -0.00309  0.00134
Mg1   0.01089  0.01545  0.02948  -0.0051  -0.00309  0.00134
Al1   0.01089  0.01545  0.02948  -0.0051  -0.00309  0.00134
Fe2   0.01089  0.01545  0.02948  -0.0051  -0.00309  0.00134
Mg2   0.01089  0.01545  0.02948  -0.0051  -0.00309  0.00134
Al2   0.01089  0.01545  0.02948  -0.0051  -0.00309  0.00134
Fe3   0.01207  0.01192  0.02948  -0.00459  -0.00387  -0.00067
Mg3   0.01207  0.01192  0.02948  -0.00459  -0.00387  -0.00067
Al3   0.01207  0.01192  0.02948  -0.00459  -0.00387  -0.00067
Fe4   0.01207  0.01192  0.02948  -0.00459  -0.00387  -0.00067
Mg4   0.01207  0.01192  0.02948  -0.00459  -0.00387  -0.00067
Al4   0.01207  0.01192  0.02948  -0.00459  -0.00387  -0.00067