#------------------------------------------------------------------------------ #$Date: 2015-02-25 10:23:34 +0200 (Wed, 25 Feb 2015) $ #$Revision: 132406 $ #$URL: file:///home/coder/svn-repositories/cod/cif/4/03/07/4030716.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_4030716 loop_ _publ_author_name 'Dussarrat, C.' 'Fompeyrine, J.' 'Darriet, J.' _publ_section_title ; Sr4Ru2O9: A structural model resulting from the stacking of [Sr3O9] and [Sr3O6] mixed layers. Structural relationships to related perovskite-type structures ; _journal_name_full 'European Journal of Solid State and Inorganic Chemistry' _journal_page_first 3 _journal_page_last 14 _journal_volume 32 _journal_year 1995 _chemical_formula_sum 'O9 Ru2 Sr4' _chemical_formula_weight 696.62 _space_group_IT_number 190 _symmetry_cell_setting hexagonal _symmetry_Int_Tables_number 190 _symmetry_space_group_name_Hall 'P -6c -2c' _symmetry_space_group_name_H-M 'P -6 2 c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 3 _cell_length_a 9.642(2) _cell_length_b 9.642(2) _cell_length_c 8.104(2) _cell_volume 652.5(3) _diffrn_ambient_temperature 293 _diffrn_radiation_probe x-ray _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _exptl_absorpt_coefficient_mu 27.76 _exptl_crystal_density_diffrn 5.319 _exptl_crystal_F_000 936 _refine_ls_number_parameters 31 _refine_ls_number_reflns 553 _refine_ls_R_factor_gt 0.037 _refine_ls_wR_factor_gt 0.066 _[local]_cod_data_source_file EJSSIC-1995-32-3-14.cif _[local]_cod_data_source_block Sr4Ru2O9 _cod_original_cell_volume 652.5(4) _cod_database_code 4030716 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 x,y,z 2 -x+y,-x,1/2-z 3 -y,x-y,z 4 x,y,1/2-z 5 -x+y,-x,z 6 -y,x-y,1/2-z 7 y,x,1/2+z 8 x-y,-y,-z 9 -x,-x+y,1/2+z 10 y,x,-z 11 x-y,-y,1/2+z 12 -x,-x+y,-z loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 Ru1 0.0003(7) 0.0003(7) 0.0074(11) 0.0000 0.0000 0.0002(4) Ru2 0.0051(4) 0.0051(4) 0.0057(5) 0.0000 0.0000 0.0026(2) Sr1 0.0189(9) 0.0049(14) 0.0066(8) -0.0014(4) -0.0007(2) 0.0025(7) Sr2 0.0068(8) 0.0051(10) 0.0077(8) 0.0000 0.0000 0.0030(8) loop_ _atom_site_label _atom_site_type_symbol _atom_site_thermal_displace_type _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Ru1 Ru Uani 0.00000 0.00000 0.1708(4) 0.500 0.0026(5) O3 O Uiso 0.0086(17) 0.830(2) 0.25000 1.000 0.034(4) O4 O Uiso 0.155(3) 0.00000 0.00000 0.500 0.010(5) Ru2 Ru Uani 0.66667 0.33333 0.4216(2) 1.000 0.0053(3) O1 O Uiso 0.6834(10) 0.5092(12) 0.5334(9) 1.000 0.0110(10) O2 O Uiso 0.5154(11) 0.3547(10) 0.25000 1.000 0.008(2) Sr1 Sr Uani 0.6639(4) 0.00000 0.00000 1.000 0.0117(6) Sr2 Sr Uani 0.3358(4) 0.0176(2) 0.25000 1.000 0.0065(5) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source O O 0.0106 0.0060 ' International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Ru Ru -1.2594 0.8363 ' International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Sr Sr -1.5307 3.2498 ' International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag O3 Ru1 O4 82.8(5) 1_545 . yes O3 Ru1 O4 157.9(7) 2_455 . yes O3 Ru1 O4 85.8(6) 3_665 . yes O3 Ru1 O3 108.1(7) 1_545 2_455 yes O3 Ru1 O3 108.1(8) 1_545 3_665 yes O3 Ru1 O3 108.0(8) 2_455 3_665 yes Ru2 Ru2 O1 119.2(3) 2_665 5_665 yes O1 Ru2 O2 88.9(4) . . yes Ru2 Ru2 O1 119.2(3) 2_665 . yes O1 Ru2 O2 90.7(4) . 2_665 yes O1 Ru2 O1 98.2(5) . 3_655 yes O1 Ru2 O2 167.6(3) . 3_655 yes O1 Ru2 O1 98.2(4) . 5_665 yes Ru2 Ru2 O2 48.5(2) 2_665 . yes O2 Ru2 O2 80.9(4) . 2_665 yes O1 Ru2 O2 90.7(4) 3_655 . yes O2 Ru2 O2 80.9(3) . 3_655 yes O1 Ru2 O2 167.6(4) 5_665 . yes Ru2 Ru2 O2 48.5(2) 2_665 2_665 yes Ru2 Ru2 O1 119.2(3) 2_665 3_655 yes Ru2 Ru2 O2 48.5(2) 2_665 3_655 yes O1 Ru2 O2 88.9(5) 5_665 2_665 yes O1 Ru2 O2 167.6(3) 3_655 2_665 yes O2 Ru2 O2 80.9(4) 2_665 3_655 yes O1 Ru2 O2 90.7(4) 5_665 3_655 yes O1 Ru2 O2 88.9(5) 3_655 3_655 yes O1 Ru2 O1 98.2(5) 3_655 5_665 yes Ru1 O3 Ru1 41.8(4) 1_565 2_565 yes Ru2 O2 Ru2 83.0(4) . 2_665 yes loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag Ru1 O4 2.04(2) . yes Ru1 O3 1.800(16) 1_545 yes Ru1 O3 1.80(3) 2_455 yes Ru1 O3 1.80(2) 3_665 yes Ru2 O1 1.857(10) . yes Ru2 O2 2.099(9) . yes Ru2 Ru2 2.781(2) 2_665 yes Ru2 O2 2.099(9) 2_665 yes Ru2 O1 1.857(12) 3_655 yes Ru2 O2 2.099(9) 3_655 yes Ru2 O1 1.857(15) 5_665 yes