#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2200255.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_2200255 _journal_name_full 'Acta Crystallographica, Section E' _journal_year 2001 _journal_volume 57 _journal_page_first i41 _journal_page_last i43 _publ_section_title ; Barium oxide iodide ; loop_ _publ_author_name 'Marten G. Barker' 'Francesconi, M. Grazia ' 'Claire Wilson' _chemical_name_common 'barium oxide iodide' _chemical_formula_moiety 'Ba4 O I6' _chemical_formula_sum 'Ba4 I6 O' _chemical_formula_structural 'Ba4 O I6' _chemical_formula_iupac 'Ba4 O I6' _chemical_formula_weight 1326.72 _symmetry_cell_setting hexagonal _symmetry_space_group_name_H-M 'P 63 m c' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z+1/2' '-y, x-y, z' '-x+y, -x, z' 'x-y, x, z+1/2' 'y, -x+y, z+1/2' '-x+y, y, z' 'x, x-y, z' '-y, -x, z' 'y, x, z+1/2' '-x, -x+y, z+1/2' 'x-y, -y, z+1/2' _cell_length_a 10.838(4) _cell_length_b 10.838(4) _cell_length_c 8.410(3) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 855.5(9) _cell_formula_units_Z 2 _cell_measurement_temperature 150(2) _exptl_crystal_density_diffrn 5.150 _diffrn_ambient_temperature 150(2) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol Ba1 .3333 .6667 .02342(13) .0133(2) Uani d S 1 . . Ba Ba2 .20359(3) .40719(6) .62927(8) .01196(14) Uani d S 1 . . Ba I1 .53228(3) .46772(3) .82627(8) .01280(15) Uani d S 1 . . I I2 .13667(3) .27334(6) .01355(8) .01651(16) Uani d S 1 . . I O .3333 .6667 .7212(15) .010(2) Uani d S 1 . . O 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 Ba1 .0142(3) .0142(3) .0113(5) .00711(15) .000 .000 Ba2 .0109(2) .0100(3) .0147(3) .00499(14) -.00039(13) -.0008(3) I1 .0127(2) .0127(2) .0130(3) .0064(3) -.00047(14) .00047(14) I2 .0126(2) .0184(3) .0204(3) .00919(17) .00145(15) .0029(3) O .008(3) .008(3) .013(6) .0041(16) .000 .000 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Ba1 O 1_554 2.542(12) y Ba1 I1 6_564 3.5848(17) y Ba1 I1 5_554 3.5848(17) ? Ba1 I1 2_664 3.5848(17) ? Ba1 I2 4_565 3.6927(18) ? Ba1 I2 3_665 3.6927(18) ? Ba1 I2 . 3.6927(18) y Ba1 Ba2 4_564 4.113(2) ? Ba1 Ba2 1_554 4.113(2) ? Ba1 Ba2 3_664 4.113(2) ? Ba2 O . 2.555(4) y Ba2 I2 1_556 3.467(2) y Ba2 I2 6 3.5115(16) y Ba2 I2 5 3.5115(16) ? Ba2 I1 5_554 3.5560(15) ? Ba2 I1 2_664 3.5560(15) y Ba2 I1 4_565 3.6781(15) ? Ba2 I1 . 3.6781(15) y Ba2 Ba1 1_556 4.113(2) ? Ba2 Ba2 3_665 4.218(2) ? Ba2 Ba2 4_565 4.218(2) ? I1 Ba2 6 3.5560(15) ? I1 Ba2 2_665 3.5560(15) ? I1 Ba1 2_665 3.5848(17) ? I1 Ba2 3_665 3.6781(15) ? I2 Ba2 1_554 3.467(2) ? I2 Ba2 5_554 3.5115(16) ? I2 Ba2 6_554 3.5115(16) ? O Ba1 1_556 2.542(12) y O Ba2 4_565 2.555(4) ? O Ba2 3_665 2.555(4) ?