#------------------------------------------------------------------------------ #$Date: 2008-01-26 14:05:32 +0100 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: svn://www.crystallography.net/cod/cif/2/2100205.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_2100205 _journal_name_full 'Acta Crystallographica, Section B' _journal_year 2005 _journal_volume 61 _journal_page_first 481 _journal_page_last 485 loop_ _publ_author_name 'Meetsma, Auke' _chemical_formula_moiety 'B4 Fe3 Gd O12' _chemical_formula_sum 'B4 Fe3 Gd O12' _chemical_formula_weight 560.04 _symmetry_cell_setting Trigonal _symmetry_space_group_name_H-M 'P 31 2 1' _symmetry_space_group_name_Hall 'P 31 2"' loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,1/3+z -x+y,-x,2/3+z y,x,-z -x,-x+y,1/3-z x-y,-y,2/3-z _cell_length_a 9.5305(3) _cell_length_b 9.5305(3) _cell_length_c 7.5479(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 593.73(3) _cell_formula_units_Z 3 _cell_measurement_temperature 90.0(10) _exptl_crystal_density_diffrn 4.699 _diffrn_ambient_temperature 90.0(10) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_type_symbol Gd1 -0.333420(10) -0.333420(10) 0.00000 0.00410(10) Uani . . 1.000 Gd Fe1 0.11536(5) 0.11536(5) 0.00000 0.00360(10) Uani . . 1.000 Fe Fe2 -0.21410(6) -0.54975(4) 0.34154(2) 0.00370(10) Uani . . 1.000 Fe O1 0.00000 -0.07819(15) 0.16667 0.0072(3) Uani . . 1.000 O O2 -0.5832(2) -0.27090(13) 0.13774(12) 0.0069(2) Uani . . 1.000 O O3 -0.1194(3) -0.30445(16) -0.17980(18) 0.0057(3) Uani . . 1.000 O O4 -0.1467(3) -0.36234(16) 0.18479(18) 0.0058(2) Uani . . 1.000 O O5 0.4755(2) 0.1451(2) -0.15980(8) 0.0057(3) Uani . . 1.000 O O6 0.1877(2) 0.00000 -0.16667 0.0053(3) Uani . . 1.000 O O7 -0.5235(3) -0.53811(17) -0.18533(18) 0.0056(2) Uani . . 1.000 O B1 0.33204(14) 0.00000 -0.16667 0.0045(5) Uani . . 1.000 B B2 -0.4473(4) -0.1201(3) 0.15617(14) 0.0053(3) Uani . . 1.000 B B3 0.00000 -0.2223(3) 0.16667 0.0049(4) Uani . . 1.000 B 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 Gd1 0.00410(10) 0.00410(10) 0.00410(10) 0.00210(10) -0.00010(10) 0.00010(10) Fe1 0.00360(10) 0.00360(10) 0.00360(10) 0.00170(10) -0.00010(10) 0.00010(10) Fe2 0.00350(10) 0.00360(10) 0.00380(10) 0.00170(10) 0.00000(10) 0.00010(10) O1 0.0081(6) 0.0054(4) 0.0089(4) 0.0040(3) 0.0024(4) 0.0012(2) O2 0.0058(3) 0.0062(3) 0.0081(3) 0.0025(3) -0.0014(3) 0.0012(3) O3 0.0062(4) 0.0040(5) 0.0065(4) 0.0023(4) 0.0007(3) 0.0006(3) O4 0.0054(4) 0.0045(4) 0.0067(4) 0.0019(4) -0.0003(3) 0.0007(3) O5 0.0051(4) 0.0050(4) 0.0063(5) 0.0019(5) -0.0003(3) 0.0007(3) O6 0.0044(4) 0.0058(6) 0.0062(5) 0.0029(3) -0.0010(2) -0.0019(5) O7 0.0047(4) 0.0063(4) 0.0064(4) 0.0033(4) -0.0001(3) -0.0008(3) B1 0.0042(8) 0.0048(9) 0.0046(11) 0.0024(4) 0.0004(2) 0.0009(5) B2 0.0050(6) 0.0067(7) 0.0055(5) 0.0040(4) 0.0001(4) 0.0004(5) B3 0.0018(8) 0.0061(6) 0.0055(7) 0.0009(4) 0.0008(6) 0.0004(3) 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 Gd1 O3 . . 2.3485(18) yes Gd1 O4 . . 2.3830(18) yes Gd1 O7 . . 2.3474(15) yes Gd1 B2 . . 2.985(3) yes Gd1 O3 . 4_555 2.3485(16) yes Gd1 O4 . 4_555 2.3830(16) yes Gd1 O7 . 4_555 2.3474(16) yes Gd1 B2 . 4_555 2.985(3) yes Fe1 O1 . . 2.0411(10) yes Fe1 O6 . . 2.0061(12) yes Fe1 O3 . 2_555 1.958(2) yes Fe1 O6 . 2_555 2.0061(9) yes Fe1 O1 . 3_554 2.0411(10) yes Fe1 O3 . 6_554 1.9583(14) yes Fe2 O4 . . 1.9635(14) yes Fe2 O5 . 2_545 2.025(2) yes Fe2 O7 . 3_545 1.971(3) yes Fe2 O5 . 3_555 2.017(2) yes Fe2 O2 . 5_445 2.0332(16) yes Fe2 O2 . 6_545 2.0490(10) yes O1 B3 . . 1.373(3) yes O2 B2 . . 1.379(3) yes O3 B2 . 4_555 1.370(3) yes O4 B3 . . 1.374(3) yes O5 B1 . . 1.3761(19) yes O6 B1 . . 1.376(2) yes O7 B2 . 3_444 1.360(5) yes