data_global
_chemical_name_mineral 'Srebrodolskite'
loop_
_publ_author_name
'Kahlenberg V'
'Fischer R X'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 12 
_journal_year 2000
_journal_page_first 129
_journal_page_last 135
_publ_section_title
;
 Crystal growth and cation distribution in doped dicalcium ferrite
 Ca2(Fe1-xMex)2O5 (Me=Al,Ga)
 Sample: Me = Al
;
_database_code_amcsd 0006826
_chemical_formula_sum 'Ca2 Fe1.865 Al.135 O5'
_cell_length_a 5.420
_cell_length_b 14.743
_cell_length_c 5.597
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 447.240
_exptl_crystal_density_diffrn      3.979
_symmetry_space_group_name_H-M 'P n m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2-x,-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_occupancy
_atom_site_U_iso_or_equiv
Ca   0.51770   0.39190   0.97620   1.00000   0.00500
Fe   0.50000   0.50000   0.50000   1.00000   0.00320
FeT   0.55320   0.25000   0.43280   0.86500   0.00210
AlT   0.55320   0.25000   0.43280   0.13500   0.00210
O1   0.47680   0.35880   0.57200   1.00000   0.00660
O2   0.39920   0.25000   0.12770   1.00000   0.00510
O3   0.73860   0.51560   0.76120   1.00000   0.00440
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
Ca 0.00810 0.00310 0.00360 0.00010 0.00110 -0.00100
Fe 0.00130 0.00680 0.00130 -0.00050 0.00010 0.00020
FeT 0.00280 0.00090 0.00230 0.00000 0.00010 0.00000
AlT 0.00280 0.00090 0.00230 0.00000 0.00010 0.00000
O1 0.01050 0.00440 0.00470 0.00000 -0.00040 0.00230
O2 0.00540 0.00500 0.00470 0.00000 -0.00310 0.00000
O3 0.00380 0.00680 0.00240 0.00200 -0.00220 -0.00060