#------------------------------------------------------------------------------ #$Date: 2018-10-07 13:10:46 +0300 (Sun, 07 Oct 2018) $ #$Revision: 211347 $ #$URL: file:///home/coder/svn-repositories/cod/cif/8/10/45/8104542.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_8104542 loop_ _publ_author_name 'Auer, Henry' 'Weber, Sebastian' 'Hansen, Thomas Christian' 'T\"obbens, Daniel Maria' 'Kohlmann, Holger' _publ_section_title ; Reversible hydrogenation of the Zintl phases BaGe and BaSn studied by in situ diffraction ; _journal_issue 6 _journal_name_full 'Zeitschrift f\"ur Kristallographie - Crystalline Materials' _journal_page_first 399 _journal_paper_doi 10.1515/zkri-2017-2142 _journal_volume 233 _journal_year 2018 _chemical_formula_sum 'Ba D0.49 Ge' _chemical_formula_weight 210.92 _chemical_name_systematic ' ?' _space_group_IT_number 62 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 13.1951(15) _cell_length_b 4.2145(2) _cell_length_c 9.9155(7) _cell_measurement_reflns_used 334 _cell_measurement_temperature 502(2) _cell_measurement_theta_max 65 _cell_measurement_theta_min 3.5 _cell_volume 551.41(8) _computing_structure_refinement 'TOPAS 5' _diffrn_ambient_temperature 502(2) _diffrn_measurement_device_type 'ILL D20 neutron powder diffractometer' _diffrn_radiation_type neutron _diffrn_radiation_wavelength 1.868189 _diffrn_source 'nuclear reactor' _diffrn_source_type 'constant wavelength neutron diffractometer' _pd_char_colour grey _pd_instr_location ' 'D20 diffractometer, ILL, Grenoble, France'' _pd_proc_info_excluded_regions '2theta 80 to 87 due to cell reflection, 123.7-124.5 due to detector failure' _pd_proc_ls_prof_R_factor 0.043 _pd_proc_ls_prof_wR_expected 0.023 _pd_proc_ls_prof_wR_factor 0.059 _refine_ls_goodness_of_fit_all 2.48 _refine_ls_R_I_factor 0.058 _refine_ls_shift/su_max 0.001 _cod_data_source_file b-BaGeD0.5_A_W06_Topas.cif _cod_data_source_block alpha-BaGeDx _cod_original_cell_volume 551.42(8) _cod_original_sg_symbol_H-M Pnma _cod_original_formula_sum Ba1D0.49Ge1 _cod_database_code 8104542 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z ' '-x, y+1/2, -z ' '-x+1/2, -y, z+1/2 ' '-x+1/2, y+1/2, z+1/2 ' 'x, -y+1/2, z ' '-x, -y, -z ' 'x+1/2, -y+1/2, -z+1/2 ' 'x+1/2, y, -z+1/2 ' loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_B_iso_or_equiv Ba1 Ba 4 0.1050(7) 0.25 0.1471(13) 1 0.86(17) Ba2 Ba 4 0.1040(9) 0.25 0.6095(17) 1 0.86(17) Ge1 Ge 4 0.3287(6) 0.25 0.3893(9) 1 1.77(15) Ge2 Ge 4 0.2820(6) 0.25 0.8758(10) 1 1.77(15) D1 D 4 0.0031(7) 0.25 0.3768(11) 0.926(13) 0.7(3) D2 D 4 0.5031(7) 0.75 0.3768(11) 0.051(10) 0.7(3) loop_ _atom_type_symbol _atom_type_scat_length_neutron _atom_type_scat_source Ba 0.5070 V.F._Sears_Neutron_News_3_26_(1992) Ge 0.8185 V.F._Sears_Neutron_News_3_26_(1992) D 0.6671 V.F._Sears_Neutron_News_3_26_(1992) loop_ _audit_conform_dict_name _audit_conform_dict_version _audit_conform_dict_location cif_core.dic . ftp://ftp.iucr.org/pub/cif_core.dic cif_pd.dic . ftp://ftp.iucr.org/pub/cif_pd.dic 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_2 _geom_angle_site_symmetry_3 D2 Ba1 D2 114.1(5) 7_455 1_555 7_465 D1 Ba1 D2 79.0(4) 1_555 1_555 7_455 D1 Ba1 D2 79.0(4) 1_555 1_555 7_465 D2 Ba1 D1 121.4(3) 3_564 1_555 1_555 D2 Ba1 D2 70.4(4) 3_564 1_555 7_455 D2 Ba1 D2 70.4(4) 3_564 1_555 7_465 D1 Ba2 D1 112.1(6) 2_546 1_555 2_556 D1 Ba2 D1 76.6(4) 1_555 1_555 2_546 D1 Ba2 D1 76.6(4) 1_555 1_555 2_556 D2 Ba2 D1 122.0(4) 3_565 1_555 1_555 D2 Ba2 D1 72.0(5) 3_565 1_555 2_546 D2 Ba2 D1 72.0(5) 3_565 1_555 2_556 Ge2 Ge1 Ge2 110.3(4) 3_554 1_555 3_564 D2 Ge1 Ge2 82.15(19) 1_545 1_555 3_554 D2 Ge1 Ge2 166.2(3) 1_545 1_555 3_564 D2 Ge1 D2 84.9(3) 1_555 1_555 1_545 D2 Ge1 Ge2 166.2(3) 1_555 1_555 3_554 D2 Ge1 Ge2 82.15(19) 1_555 1_555 3_564 Ge1 Ge2 Ge1 110.3(4) 3_555 1_555 3_565 Ba2 D1 Ba2 112.1(6) 2_546 1_555 2_556 Ba1 D1 Ba2 109.2(5) 1_555 1_555 2_546 Ba1 D1 Ba2 109.2(5) 1_555 1_555 2_556 Ba2 D1 Ba1 119.5(5) 1_555 1_555 1_555 Ba2 D1 Ba2 103.4(4) 1_555 1_555 2_546 Ba2 D1 Ba2 103.4(4) 1_555 1_555 2_556 Ba1 D2 Ba1 114.1(5) 7_565 1_555 7_555 Ba2 D2 Ba1 99.7(4) 3_564 1_555 7_565 Ba2 D2 Ba1 99.7(4) 3_564 1_555 7_555 Ba1 D2 Ba2 123.9(4) 3_565 1_555 3_564 Ba1 D2 Ba1 109.6(4) 3_565 1_555 7_565 Ba1 D2 Ba1 109.6(4) 3_565 1_555 7_555 Ge1 D2 Ba1 67.6(3) 1_565 1_555 3_565 Ge1 D2 Ba2 71.8(3) 1_565 1_555 3_564 Ge1 D2 Ba1 80.3(2) 1_565 1_555 7_565 Ge1 D2 Ba1 164.7(4) 1_565 1_555 7_555 Ge1 D2 Ge1 84.9(3) 1_555 1_555 1_565 Ge1 D2 Ba1 67.6(3) 1_555 1_555 3_565 Ge1 D2 Ba2 71.8(3) 1_555 1_555 3_564 Ge1 D2 Ba1 164.7(4) 1_555 1_555 7_565 Ge1 D2 Ba1 80.3(2) 1_555 1_555 7_555 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_1 _geom_bond_site_symmetry_2 Ba1 D2 2.511(7) 1_555 7_465 Ba1 D2 2.511(7) 1_555 7_455 Ba1 D1 2.644(16) 1_555 1_555 Ba1 D2 3.037(16) 1_555 3_564 Ba2 D1 2.541(9) 1_555 2_556 Ba2 D1 2.541(9) 1_555 2_546 Ba2 D1 2.664(19) 1_555 1_555 Ba2 D2 3.003(19) 1_555 3_565 Ge1 Ge2 2.568(7) 1_555 3_564 Ge1 Ge2 2.568(7) 1_555 3_554 Ge1 D2 3.123(10) 1_555 1_545 Ge1 D2 3.123(10) 1_555 1_555 Ge2 Ge1 2.568(7) 1_555 3_565 Ge2 Ge1 2.568(7) 1_555 3_555 D1 Ba2 2.541(9) 1_555 2_556 D1 Ba2 2.541(9) 1_555 2_546 D1 Ba1 2.644(16) 1_555 1_555 D1 Ba2 2.664(19) 1_555 1_555 D2 Ba1 2.511(7) 1_555 7_555 D2 Ba1 2.511(7) 1_555 7_565 D2 Ba2 3.003(19) 1_555 3_564 D2 Ba1 3.037(16) 1_555 3_565 D2 Ge1 3.123(10) 1_555 1_565 D2 Ge1 3.123(10) 1_555 1_555