Larixite: Crystal Structures for X-ray Absorption Spectroscopy About

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

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CIF Text:


data_global
_chemical_name_mineral 'Boracite'
loop_
_publ_author_name
'Sueno S'
'Clark J R'
'Papike J J'
'Konnert J A'
_journal_name_full 'American Mineralogist'
_journal_volume 58
_journal_year 1973
_journal_page_first 691
_journal_page_last 697
_publ_section_title
;
 Crystal-structure refinement of cubic boracite
 Note: This is a high-temperature phase of boracite
 T = 400 C
;
_database_code_amcsd 382
_chemical_compound_source 'Solvayshall, Roschwitz, Germany'
_chemical_formula_sum 'Mg3 B7 O13 Cl'
_cell_length_a 12.0986
_cell_length_b 12.0986
_cell_length_c 12.0986
_cell_angle_alpha 90.0
_cell_angle_beta 90.0
_cell_angle_gamma 90.0
_cell_volume 1770.946
_exptl_crystal_density_diffrn  2.941
_symmetry_space_group_name_H-M 'F -4 3 c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '1/2+x,y,1/2+z'
  '1/2+x,1/2+y,z'
  '-z,x,-y'
  '-z,1/2+x,1/2-y'
  '1/2-z,x,1/2-y'
  '1/2-z,1/2+x,-y'
  '-y,z,-x'
  '-y,1/2+z,1/2-x'
  '1/2-y,z,1/2-x'
  '1/2-y,1/2+z,-x'
  '-x,y,-z'
  '-x,1/2+y,1/2-z'
  '1/2-x,y,1/2-z'
  '1/2-x,1/2+y,-z'
  'x,-z,1/2-y'
  'x,1/2-z,-y'
  '1/2+x,-z,-y'
  '1/2+x,1/2-z,1/2-y'
  'z,-y,1/2-x'
  'z,1/2-y,-x'
  '1/2+z,-y,-x'
  '1/2+z,1/2-y,1/2-x'
  'y,-x,1/2-z'
  'y,1/2-x,-z'
  '1/2+y,-x,-z'
  '1/2+y,1/2-x,1/2-z'
  'x,z,1/2+y'
  'x,1/2+z,+y'
  '1/2+x,z,+y'
  '1/2+x,1/2+z,1/2+y'
  'z,y,1/2+x'
  'z,1/2+y,+x'
  '1/2+z,y,+x'
  '1/2+z,1/2+y,1/2+x'
  'y,x,1/2+z'
  'y,1/2+x,+z'
  '1/2+y,x,+z'
  '1/2+y,1/2+x,1/2+z'
  '-z,-x,y'
  '-z,1/2-x,1/2+y'
  '1/2-z,-x,1/2+y'
  '1/2-z,1/2-x,y'
  '-y,-z,x'
  '-y,1/2-z,1/2+x'
  '1/2-y,-z,1/2+x'
  '1/2-y,1/2-z,x'
  '-x,-y,z'
  '-x,1/2-y,1/2+z'
  '1/2-x,-y,1/2+z'
  '1/2-x,1/2-y,z'
  'z,-x,-y'
  'z,1/2-x,1/2-y'
  '1/2+z,-x,1/2-y'
  '1/2+z,1/2-x,-y'
  'y,-z,-x'
  'y,1/2-z,1/2-x'
  '1/2+y,-z,1/2-x'
  '1/2+y,1/2-z,-x'
  'x,-y,-z'
  'x,1/2-y,1/2-z'
  '1/2+x,-y,1/2-z'
  '1/2+x,1/2-y,-z'
  '-x,z,1/2-y'
  '-x,1/2+z,-y'
  '1/2-x,z,-y'
  '1/2-x,1/2+z,1/2-y'
  '-z,y,1/2-x'
  '-z,1/2+y,-x'
  '1/2-z,y,-x'
  '1/2-z,1/2+y,1/2-x'
  '-y,x,1/2-z'
  '-y,1/2+x,-z'
  '1/2-y,x,-z'
  '1/2-y,1/2+x,1/2-z'
  '-x,-z,1/2+y'
  '-x,1/2-z,+y'
  '1/2-x,-z,+y'
  '1/2-x,1/2-z,1/2+y'
  '-z,-y,1/2+x'
  '-z,1/2-y,+x'
  '1/2-z,-y,+x'
  '1/2-z,1/2-y,1/2+x'
  '-y,-x,1/2+z'
  '-y,1/2-x,+z'
  '1/2-y,-x,+z'
  '1/2-y,1/2-x,1/2+z'
  'z,x,y'
  'z,1/2+x,1/2+y'
  '1/2+z,x,1/2+y'
  '1/2+z,1/2+x,y'
  'y,z,x'
  'y,1/2+z,1/2+x'
  '1/2+y,z,1/2+x'
  '1/2+y,1/2+z,x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mg   0.0  0.25  0.25
B1   0.25  0.0  0.0
B2   0.0808  0.0808  0.0808
O1   0.0  0.0  0.0
O2   0.0987  0.0214  0.1821
Cl   0.25  0.25  0.25
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
Mg   0.08231  0.01112  0.01112  0.0  0.0  0.0
B1   0.00519  0.00816  0.00816  0.0  0.0  0.0
B2   0.01409  0.01409  0.01409  0.00742  0.00742  0.00742
O1   0.01335  0.01335  0.01335  0.0  0.0  0.0
O2   0.00816  0.01186  0.00816  0.00371  0.00222  0.00297
Cl   0.04004  0.04004  0.04004  0.0  0.0  0.0