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
_amcsd_formula_title 'SiC-87R'
loop_
_publ_author_name
'Ramsdell L S'
_journal_name_full 'American Mineralogist'
_journal_volume 32
_journal_year 1947
_journal_page_first 64
_journal_page_last 82
_publ_section_title
;
 Studies on silicon carbide
;
_database_code_amcsd 39
_chemical_formula_sum 'Si29 C29'
_cell_length_a 3.073
_cell_length_b 3.073
_cell_length_c 218.65
_cell_angle_alpha 90.0
_cell_angle_beta 90.0
_cell_angle_gamma 120.0
_cell_volume 1788.155
_exptl_crystal_density_diffrn  3.239
_symmetry_space_group_name_H-M 'R 3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,z'
  '2/3+x,1/3+x-y,1/3+z'
  '1/3+x,2/3+x-y,2/3+z'
  '-y,-x,z'
  '2/3-y,1/3-x,1/3+z'
  '1/3-y,2/3-x,2/3+z'
  '-x+y,y,z'
  '2/3-x+y,1/3+y,1/3+z'
  '1/3-x+y,2/3+y,2/3+z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si   0.0  0.0  0.0
Si   0.0  0.0  0.023
Si   0.0  0.0  0.069
Si   0.0  0.0  0.092
Si   0.0  0.0  0.1379
Si   0.0  0.0  0.1609
Si   0.0  0.0  0.2069
Si   0.0  0.0  0.2299
Si   0.0  0.0  0.2759
Si   0.0  0.0  0.2989
Si   0.0  0.0  0.3448
Si   0.0  0.0  0.3793
Si   0.0  0.0  0.4138
Si   0.0  0.0  0.4483
Si   0.0  0.0  0.4828
Si   0.0  0.0  0.5172
Si   0.0  0.0  0.5517
Si   0.0  0.0  0.5862
Si   0.0  0.0  0.6207
Si   0.0  0.0  0.6552
Si   0.0  0.0  0.7011
Si   0.0  0.0  0.7241
Si   0.0  0.0  0.7701
Si   0.0  0.0  0.7931
Si   0.0  0.0  0.8391
Si   0.0  0.0  0.8621
Si   0.0  0.0  0.908
Si   0.0  0.0  0.931
Si   0.0  0.0  0.977
C   0.0  0.0  0.0086
C   0.0  0.0  0.0316
C   0.0  0.0  0.0776
C   0.0  0.0  0.1006
C   0.0  0.0  0.1465
C   0.0  0.0  0.1695
C   0.0  0.0  0.2155
C   0.0  0.0  0.2385
C   0.0  0.0  0.2845
C   0.0  0.0  0.3075
C   0.0  0.0  0.3534
C   0.0  0.0  0.3879
C   0.0  0.0  0.4224
C   0.0  0.0  0.4569
C   0.0  0.0  0.4914
C   0.0  0.0  0.5258
C   0.0  0.0  0.5603
C   0.0  0.0  0.5948
C   0.0  0.0  0.6293
C   0.0  0.0  0.6638
C   0.0  0.0  0.7097
C   0.0  0.0  0.7327
C   0.0  0.0  0.7787
C   0.0  0.0  0.8017
C   0.0  0.0  0.8477
C   0.0  0.0  0.8707
C   0.0  0.0  0.9166
C   0.0  0.0  0.9396
C   0.0  0.0  0.9856