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 'Leucophosphite'
loop_
_publ_author_name
'Moore P B'
_journal_name_full 'American Mineralogist'
_journal_volume 57
_journal_year 1972
_journal_page_first 397
_journal_page_last 410
_publ_section_title
;
 Octahedral tetramer in the crystal structure of leucophosphite,
 K2[Fe4(OH)2(H2O)2(PO4)4].2H2O
;
_database_code_amcsd 274
_chemical_formula_sum 'K Fe2 P2 O11 H5'
_cell_length_a 9.782
_cell_length_b 9.658
_cell_length_c 9.751
_cell_angle_alpha 90.0
_cell_angle_beta 102.24
_cell_angle_gamma 90.0
_cell_volume 900.28
_exptl_crystal_density_diffrn  2.905
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
K   0.101  0.1958  0.5171  0.02381
Fe1   0.3695  0.5512  0.3919  0.00329
Fe2   0.3097  0.2278  0.5969  0.00355
P1   0.3548  0.5285  0.7094  0.00532
P2   0.1287  0.3221  0.2894  0.00545
O1   0.3009  0.5935  0.5632  0.00874
O2   0.1753  0.1207  0.6744  0.00937
O3   0.4845  0.4929  0.2609  0.00861
O4   0.2838  0.3864  0.7162  0.00975
O5   0.1553  0.2687  0.4399  0.01203
O6   0.1952  0.4679  0.2854  0.00874
O7   0.305  0.7275  0.3054  0.01115
O8   0.471  0.1623  0.7351  0.01077
O-H9   0.4386  0.3568  0.4966  0.00697
Wat10   0.3432  0.0464  0.4891  0.01938
Wat11   0.5335  0.1531  0.31  0.02292