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 'Leucophoenicite'
loop_
_publ_author_name
'Moore P B'
_journal_name_full 'American Mineralogist'
_journal_volume 55
_journal_year 1970
_journal_page_first 1146
_journal_page_last 1166
_publ_section_title
;
 Edge-sharing silicate tetrahedra in the crystal structure of leucophoenicite
;
_database_code_amcsd 206
_chemical_compound_source 'Franklin, New Jersey, USA'
_chemical_formula_sum 'Mn7 Si3 O14 H2'
_cell_length_a 10.842
_cell_length_b 4.826
_cell_length_c 11.324
_cell_angle_alpha 90.0
_cell_angle_beta 103.93
_cell_angle_gamma 90.0
_cell_volume 575.086
_exptl_crystal_density_diffrn  4.013
_symmetry_space_group_name_H-M 'P 1 21/a 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '-x,-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
Mn1   0.0  0.0  0.0  1.0  0.00925
Mn2   0.3149  0.015  0.1396  1.0  0.01013
Mn3   0.3308  0.4942  0.411  1.0  0.00874
Mn4   0.0781  -0.0105  0.2967  1.0  0.01013
Si1   0.0246  0.4144  0.4381  0.5  0.00595
Si2   0.1287  0.5731  0.1439  1.0  0.00405
O1   0.4907  -0.2135  0.1458  1.0  0.00608
O2   0.3345  0.2137  -0.0265  1.0  0.00925
O3   0.2289  -0.2879  0.2614  1.0  0.00963
O4   0.4207  0.2348  0.3058  0.5  0.01596
O-H4   0.4207  0.2348  0.3058  0.5  0.01596
O5   0.1736  0.2626  0.4391  0.5  0.0114
O-H5   0.1736  0.2626  0.4391  0.5  0.0114
O6   0.129  0.239  0.145  1.0  0.01001
O7   0.5254  0.7708  0.4379  1.0  0.01507