data_global
_chemical_name_mineral 'Ferrisicklerite'
loop_
_publ_author_name
'Alberti A'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 32 
_journal_year 1976
_journal_page_first 2761
_journal_page_last 2764
_publ_section_title
;
 Crystal structure of ferrisicklerite, Li<1(Fe3+,Mn2+)PO4
;
_database_code_amcsd 0009574
_chemical_compound_source 'Sidi-Bou-Othmane, Jebilet, Morocco'
_chemical_formula_sum 'Li.301 Na.014 Fe.614 Mn.333 Mg.036 Ca.017 P.965 O4'
_cell_length_a 5.918
_cell_length_b 10.037
_cell_length_c 4.798
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 284.996
_exptl_crystal_density_diffrn      3.506
_symmetry_space_group_name_H-M 'P m n b'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-x,y,z'
  '1/2+x,-y,-z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  'x,1/2+y,1/2-z'
  '-x,1/2-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
LiM1   0.00000   0.00000   0.00000   0.30100   0.02533
NaM1   0.00000   0.00000   0.00000   0.01350   0.02533
Fe3+M2   0.25000   0.27815  -0.03639   0.60700   0.00798
MnM2   0.25000   0.27815  -0.03639   0.33300   0.00798
MgM2   0.25000   0.27815  -0.03639   0.03600   0.00798
CaM2   0.25000   0.27815  -0.03639   0.01700   0.00798
Fe2+M2   0.25000   0.27815  -0.03639   0.00700   0.00798
P   0.25000   0.09593   0.41110   0.96500   0.00684
O1   0.25000   0.11485  -0.27659   1.00000   0.01545
O2   0.25000   0.44926   0.17125   1.00000   0.01507
O3   0.04701   0.16877   0.26785   1.00000   0.01482
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
Fe3+M2 0.00834 0.00817 0.00991 0.00000 0.00000 -0.00146
MnM2 0.00834 0.00817 0.00991 0.00000 0.00000 -0.00146
MgM2 0.00834 0.00817 0.00991 0.00000 0.00000 -0.00146
CaM2 0.00834 0.00817 0.00991 0.00000 0.00000 -0.00146
Fe2+M2 0.00834 0.00817 0.00991 0.00000 0.00000 -0.00146
P 0.00798 0.00612 0.00816 0.00000 0.00000 -0.00024
O1 0.01597 0.01837 0.01026 0.00000 0.00000 -0.00122
O2 0.01437 0.00919 0.02134 0.00000 0.00000 0.00244
O3 0.01348 0.01531 0.01423 0.00331 -0.00201 0.00098