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 'Feldspar'
loop_
_publ_author_name
'Chiari G'
'Calleri M'
'Bruno E'
'Ribbe P H'
_journal_name_full 'American Mineralogist'
_journal_volume 60
_journal_year 1975
_journal_page_first 111
_journal_page_last 119
_publ_section_title
;
 The structure of partially disordered, synthetic strontium feldspar
;
_database_code_amcsd 444
_chemical_formula_sum 'Sr (Si2 Al2) O8'
_cell_length_a 8.388
_cell_length_b 12.974
_cell_length_c 14.264
_cell_angle_alpha 90.0
_cell_angle_beta 115.2
_cell_angle_gamma 90.0
_cell_volume 1404.557
_exptl_crystal_density_diffrn  3.081
_symmetry_space_group_name_H-M 'I 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Sr   0.269  -0.002  0.0656  1.0
SiT1(o)   0.0066  0.1746  0.1083  0.9
AlT1(o)   0.0066  0.1746  0.1083  0.1
SiT1(z)   0.0032  0.1775  0.6164  0.1
AlT1(z)   0.0032  0.1775  0.6164  0.9
SiT2(o)   0.6934  0.12  0.1706  0.1
AlT2(o)   0.6934  0.12  0.1706  0.9
SiT2(z)   0.6845  0.1137  0.6716  0.9
AlT2(z)   0.6845  0.1137  0.6716  0.1
OA(1)   0.0045  0.1289  0.0003  1.0
OA(2)   0.5911  0.0002  0.1427  1.0
OB(o)   0.8267  0.1266  0.1054  1.0
OB(z)   0.8104  0.1263  0.6113  1.0
OC(o)   0.0132  0.2984  0.1186  1.0
OC(z)   0.0188  0.309  0.6304  1.0
OD(o)   0.1876  0.1245  0.1955  1.0
OD(z)   0.196  0.119  0.7027  1.0
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
Sr   0.00613  0.02302  0.01097  0.0005  0.00099  -0.0017
SiT1(o)   0.00671  0.01279  0.00506  -0.00249  0.00149  -0.00085
AlT1(o)   0.00671  0.01279  0.00506  -0.00249  0.00149  -0.00085
SiT1(z)   0.01051  0.01364  0.00338  -0.001  0.00298  0.0
AlT1(z)   0.01051  0.01364  0.00338  -0.001  0.00298  0.0
SiT2(o)   0.00554  0.01364  0.00338  -0.001  0.0005  -0.00085
AlT2(o)   0.00554  0.01364  0.00338  -0.001  0.0005  -0.00085
SiT2(z)   0.01021  0.01023  0.00506  0.0005  0.00248  0.00085
AlT2(z)   0.01021  0.01023  0.00506  0.0005  0.00248  0.00085
OA(1)   0.01138  0.01961  0.00506  0.00449  0.00397  -0.0017
OA(2)   0.00875  0.0145  0.01097  0.00399  0.00149  0.00339
OB(o)   0.01663  0.02388  0.01013  -0.001  0.00844  -0.0017
OB(z)   0.01051  0.02644  0.01435  -0.00649  0.00794  0.0
OC(o)   0.01255  0.02217  0.00591  -0.00549  0.0  -0.00339
OC(z)   0.01255  0.01791  0.01519  -0.00249  0.00645  -0.0017
OD(o)   0.01693  0.02473  0.00844  0.0015  0.00298  0.0017
OD(z)   0.01051  0.02644  0.00506  0.002  -0.00149  -0.00085