#------------------------------------------------------------------------------
#$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $
#$Revision: 19 $
#$URL: svn://www.crystallography.net/cod/cif/4/4000656.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4000656
_journal_name_full  'Chemistry of Materials'
_journal_year      2005
_publ_section_title
;
The ferrite Sr3NdFe3O9 : an original intergrowth between the brownmillerite and
;
loop_
_publ_author_name
'N. Barrier,  D. Pelloquin, N. Nguyen, '
'M. Giot, F. Bourrée and B. Raveau'
_chemical_formula_sum  'Fe3 Nd1 O9 Sr3'
_chemical_formula_weight  718.6
_symmetry_cell_setting  orthorhombic
_symmetry_space_group_name_H-M  'B b m m'
_symmetry_space_group_name_Hall  '-B -2yb;-2z'
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
 1  'x,y,z'
 2  'x,1/2-y,z'
 3  'x,y,-z'
 4  'x,1/2-y,-z'
 5  '-x,-y,-z'
 6  '-x,1/2+y,-z'
 7  '-x,-y,z'
 8  '-x,1/2+y,z'
 9  '1/2+x,y,1/2+z'
 10  '1/2+x,1/2-y,1/2+z'
 11  '1/2+x,y,1/2-z'
 12  '1/2+x,1/2-y,1/2-z'
 13  '1/2-x,-y,1/2-z'
 14  '1/2-x,1/2+y,1/2-z'
 15  '1/2-x,-y,1/2+z'
 16  '1/2-x,1/2+y,1/2+z'
_cell_length_a  5.5414(9)
_cell_length_b  5.4986(9)
_cell_length_c  28.810(5)
_cell_angle_alpha  90
_cell_angle_beta  90
_cell_angle_gamma  90
_cell_volume  877.8(4)
_cell_formula_units_Z  4
_cell_measurement_temperature  600
_exptl_crystal_density_diffrn  5.4356
_pd_proc_ls_prof_R_factor  0.0381
_pd_proc_ls_prof_wR_factor  0.1164
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_adp_type
_atom_site_U_iso_or_equiv
_atom_site_symmetry_multiplicity
_atom_site_occupancy
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_disorder_assembly
_atom_site_disorder_group
  Fe1 Fe 0.251(2) 0.75 0.1447(2) Uani 0.0170(16) 8 1 d . . .
  Fe2 Fe 0.306(2) 0.75 0 Uani 0.053(5) 4 1 d . . .
  Sr1 Sr -0.253(3) 0.75 0.2030(2) Uani 0.019(2) 8 1 d . . .
  Sr2 Sr -0.242(3) 0.75 0.0788(3) Uani 0.021(3) 8 1 d . . .
  O1 O 0 0.5 0.1394(5) Uani 0.025(5) 8 1.03(3) d . . .
  O2 O 0.5 1 0.1355(6) Uani 0.025(5) 8 0.98(3) d . . .
  O3 O 0.258(4) 0.75 0.2138(3) Uani 0.032(3) 8 1 d . . .
  O4 O 0.213(5) 0.75 0.0579(4) Uani 0.076(8) 8 1 d . . .
  O5 O 0.378(5) 0.127(6) 0 Uiso 0.060(8) 8 0.5 d . . .
loop_
_atom_site_aniso_label
_atom_site_aniso_type_symbol
_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
 Fe1 Fe 0.013(3) 0.011(2) 0.027(3) 0 -0.013(4) 0
 Fe2 Fe 0.049(10) 0.093(12) 0.017(4) 0 0 0
 Sr1 Sr 0.028(4) 0.020(4) 0.009(3) 0 -0.010(6) 0
 Sr2 Sr 0.024(5) 0.018(4) 0.021(4) 0 -0.010(6) 0
 O1 O 0.027(8) 0.027(9) 0.021(7) -0.019(5) 0 0
 O2 O 0.019(8) 0.012(10) 0.046(10) 0.017(5) 0 0
 O3 O 0.047(7) 0.032(5) 0.019(4) 0 0.001(10) 0
 O4 O 0.090(17) 0.095(15) 0.043(7) 0 0.035(11) 0
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_1
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
Fe1 O1 . . 1.960(8) yes
Fe1 O1 . 2_565 1.960(8) yes
Fe1 O2 . . 1.966(8) yes
Fe1 O2 . 2_565 1.966(8) yes
Fe1 O3 . . 1.991(11) yes
Fe1 O4 . . 2.511(13) yes
Fe2 O4 . . 1.744(14) yes
Fe2 O4 . 3_555 1.744(14) yes
Fe2 O5 . 1_565 2.11(3) yes
Fe2 O5 . 5_665 1.88(3) yes
Fe2 O5 . 2_555 2.11(3) yes
Fe2 O5 . 6_655 1.88(3) yes
Sr1 O1 . . 2.685(13) yes
Sr1 O1 . 2_565 2.685(13) yes
Sr1 O2 . 1_455 2.744(15) yes
Sr1 O2 . 2_465 2.744(15) yes
Sr1 O3 . 1_455 2.73(3) yes
Sr1 O3 . . 2.84(3) yes
Sr1 O3 . 11_455 2.400(11) yes
Sr1 O3 . 7_565 2.7670(12) yes
Sr1 O3 . 7_575 2.7670(12) yes
Sr2 O1 . . 2.593(14) yes
Sr2 O1 . 2_565 2.593(14) yes
Sr2 O2 . 1_455 2.576(15) yes
Sr2 O2 . 2_465 2.576(15) yes
Sr2 O4 . . 2.58(3) yes
Sr2 O4 . 7_565 2.819(3) yes
Sr2 O4 . 7_575 2.819(3) yes
Sr2 O5 . 5_565 2.483(15) yes
Sr2 O5 . 6_555 2.483(15) yes
O1 O1 . 2_555 2.7493 yes
O1 O1 . 2_565 2.7493 yes
O1 O2 . 2_465 2.7727(8) yes
O1 O2 . 2_565 2.7727(8) yes
O1 O3 . . 2.920(16) yes
O1 O3 . 7_565 2.920(16) yes
O1 O4 . . 2.964(18) yes
O1 O4 . 7_565 2.964(18) yes
O2 O2 . 2_565 2.7493 yes
O2 O2 . 2_575 2.7493 yes
O2 O3 . . 2.960(17) yes
O2 O3 . 7_675 2.960(17) yes
O4 O5 . 1_565 2.81(3) yes
O4 O5 . 5_665 2.90(3) yes
O4 O5 . 2_555 2.81(3) yes
O4 O5 . 6_655 2.90(3) yes
O5 O5 . 5_655 1.95(4) yes
O5 O5 . 2_555 1.35(4) yes