#------------------------------------------------------------------------------ #$Date: 2016-03-22 10:06:16 +0000 (Tue, 22 Mar 2016) $ #$Revision: 178934 $ #$URL: svn://www.crystallography.net/cod/cif/4/11/63/4116354.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_4116354 loop_ _publ_author_name 'Svilen Bobev' 'Slavi C. Sevov' _publ_section_title ; Synthesis and Characterization of Stable Stoichiometric Clathrates of Silicon and Germanium: Cs8Na16Si136 and Cs8Na16Ge136 ; _journal_name_full 'Journal of the American Chemical Society' _journal_page_first 3795 _journal_page_last 3796 _journal_paper_doi 10.1021/ja9844175 _journal_volume 121 _journal_year 1999 _chemical_compound_source pure_elements _chemical_formula_analytical Cs8_Na16_Si136 _chemical_formula_moiety Si34 _chemical_formula_structural Cs8_Na16_Si136 _chemical_formula_sum 'Cs Na2 Si17' _chemical_formula_weight 656.42 _chemical_name_common clathrate_II_type _chemical_name_systematic ; ? ; _space_group_IT_number 227 _symmetry_cell_setting cubic _symmetry_space_group_name_Hall '-F 4vw 2vw 3' _symmetry_space_group_name_H-M 'F d -3 m :2' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 8 _cell_length_a 14.738(2) _cell_length_b 14.738(2) _cell_length_c 14.738(2) _cell_measurement_reflns_used 25 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 11.761 _cell_measurement_theta_min 6.087 _cell_volume 3201.2(8) _computing_cell_refinement CAD4_(Enraf-Nonius,_1977) _computing_data_collection CAD4_(Enraf-Nonius,_1977) _computing_data_reduction SDP_Package_(Enraf-Nonius,_1985) _computing_molecular_graphics 'SHELXTL (Siemens, 1994)' _computing_publication_material 'SHELXTL (Siemens, 1994)' _computing_structure_refinement 'SHELXL-93 (Sheldrick, 1993)' _computing_structure_solution 'SHELXS-86 (Sheldrick, 1990)' _diffrn_ambient_temperature 293(2) _diffrn_measurement_device Enraf_Nonius_CAD4 _diffrn_measurement_method omega-2theta _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0461 _diffrn_reflns_av_sigmaI/netI 0.0306 _diffrn_reflns_limit_h_max 17 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 17 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 17 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 706 _diffrn_reflns_theta_max 24.86 _diffrn_reflns_theta_min 2.39 _diffrn_standards_interval_count 0 _diffrn_standards_interval_time 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 3.619 _exptl_absorpt_correction_T_max 0.000 _exptl_absorpt_correction_T_min 0.000 _exptl_absorpt_correction_type none _exptl_crystal_colour 'bluish, metallic luster' _exptl_crystal_density_diffrn 2.724 _exptl_crystal_description bar _exptl_crystal_F_000 2520 _exptl_crystal_size_max 0.24 _exptl_crystal_size_mid 0.24 _exptl_crystal_size_min 0.2 _refine_diff_density_max 0.413 _refine_diff_density_min -0.347 _refine_diff_density_rms 0.088 _refine_ls_extinction_coef 0.00007(5) _refine_ls_extinction_expression Fc^*^=3DkFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_method SHELXL _refine_ls_goodness_of_fit_all 1.142 _refine_ls_goodness_of_fit_obs 1.152 _refine_ls_matrix_type full _refine_ls_number_parameters 15 _refine_ls_number_reflns 165 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.142 _refine_ls_restrained_S_obs 1.152 _refine_ls_R_factor_all 0.0310 _refine_ls_R_factor_obs 0.0207 _refine_ls_shift/esd_max 0.000 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w=1/[\s^2^(Fo^2^)+(0.0177P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.0501 _refine_ls_wR_factor_obs 0.0455 _reflns_number_observed 137 _reflns_number_total 165 _reflns_observed_criterion >2sigma(I) _cod_data_source_file ja9844175_3.cif _cod_data_source_block 3 _cod_depositor_comments ; The following automatic conversions were performed: '_refine_ls_weighting_scheme' value 'calc w=1/[\s^2^(Fo^2^)+(0.0177P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' was changed to 'calc'. New tag '_refine_ls_weighting_details' was created. The value of the new tag was set to 'w=1/[\s^2^(Fo^2^)+(0.0177P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_original_sg_symbol_H-M 'F d -3 m' _cod_database_code 4116354 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+3/4, -y+1/4, z+1/2' '-x+1/4, y+1/2, -z+3/4' 'x+1/2, -y+3/4, -z+1/4' 'z, x, y' 'z+1/2, -x+3/4, -y+1/4' '-z+3/4, -x+1/4, y+1/2' '-z+1/4, x+1/2, -y+3/4' 'y, z, x' '-y+1/4, z+1/2, -x+3/4' 'y+1/2, -z+3/4, -x+1/4' '-y+3/4, -z+1/4, x+1/2' 'y+3/4, x+1/4, -z+1/2' '-y, -x, -z' 'y+1/4, -x+1/2, z+3/4' '-y+1/2, x+3/4, z+1/4' 'x+3/4, z+1/4, -y+1/2' '-x+1/2, z+3/4, y+1/4' '-x, -z, -y' 'x+1/4, -z+1/2, y+3/4' 'z+3/4, y+1/4, -x+1/2' 'z+1/4, -y+1/2, x+3/4' '-z+1/2, y+3/4, x+1/4' '-z, -y, -x' 'x, y+1/2, z+1/2' '-x+3/4, -y+3/4, z+1' '-x+1/4, y+1, -z+5/4' 'x+1/2, -y+5/4, -z+3/4' 'z, x+1/2, y+1/2' 'z+1/2, -x+5/4, -y+3/4' '-z+3/4, -x+3/4, y+1' '-z+1/4, x+1, -y+5/4' 'y, z+1/2, x+1/2' '-y+1/4, z+1, -x+5/4' 'y+1/2, -z+5/4, -x+3/4' '-y+3/4, -z+3/4, x+1' 'y+3/4, x+3/4, -z+1' '-y, -x+1/2, -z+1/2' 'y+1/4, -x+1, z+5/4' '-y+1/2, x+5/4, z+3/4' 'x+3/4, z+3/4, -y+1' '-x+1/2, z+5/4, y+3/4' '-x, -z+1/2, -y+1/2' 'x+1/4, -z+1, y+5/4' 'z+3/4, y+3/4, -x+1' 'z+1/4, -y+1, x+5/4' '-z+1/2, y+5/4, x+3/4' '-z, -y+1/2, -x+1/2' 'x+1/2, y, z+1/2' '-x+5/4, -y+1/4, z+1' '-x+3/4, y+1/2, -z+5/4' 'x+1, -y+3/4, -z+3/4' 'z+1/2, x, y+1/2' 'z+1, -x+3/4, -y+3/4' '-z+5/4, -x+1/4, y+1' '-z+3/4, x+1/2, -y+5/4' 'y+1/2, z, x+1/2' '-y+3/4, z+1/2, -x+5/4' 'y+1, -z+3/4, -x+3/4' '-y+5/4, -z+1/4, x+1' 'y+5/4, x+1/4, -z+1' '-y+1/2, -x, -z+1/2' 'y+3/4, -x+1/2, z+5/4' '-y+1, x+3/4, z+3/4' 'x+5/4, z+1/4, -y+1' '-x+1, z+3/4, y+3/4' '-x+1/2, -z, -y+1/2' 'x+3/4, -z+1/2, y+5/4' 'z+5/4, y+1/4, -x+1' 'z+3/4, -y+1/2, x+5/4' '-z+1, y+3/4, x+3/4' '-z+1/2, -y, -x+1/2' 'x+1/2, y+1/2, z' '-x+5/4, -y+3/4, z+1/2' '-x+3/4, y+1, -z+3/4' 'x+1, -y+5/4, -z+1/4' 'z+1/2, x+1/2, y' 'z+1, -x+5/4, -y+1/4' '-z+5/4, -x+3/4, y+1/2' '-z+3/4, x+1, -y+3/4' 'y+1/2, z+1/2, x' '-y+3/4, z+1, -x+3/4' 'y+1, -z+5/4, -x+1/4' '-y+5/4, -z+3/4, x+1/2' 'y+5/4, x+3/4, -z+1/2' '-y+1/2, -x+1/2, -z' 'y+3/4, -x+1, z+3/4' '-y+1, x+5/4, z+1/4' 'x+5/4, z+3/4, -y+1/2' '-x+1, z+5/4, y+1/4' '-x+1/2, -z+1/2, -y' 'x+3/4, -z+1, y+3/4' 'z+5/4, y+3/4, -x+1/2' 'z+3/4, -y+1, x+3/4' '-z+1, y+5/4, x+1/4' '-z+1/2, -y+1/2, -x' '-x, -y, -z' 'x-3/4, y-1/4, -z-1/2' 'x-1/4, -y-1/2, z-3/4' '-x-1/2, y-3/4, z-1/4' '-z, -x, -y' '-z-1/2, x-3/4, y-1/4' 'z-3/4, x-1/4, -y-1/2' 'z-1/4, -x-1/2, y-3/4' '-y, -z, -x' 'y-1/4, -z-1/2, x-3/4' '-y-1/2, z-3/4, x-1/4' 'y-3/4, z-1/4, -x-1/2' '-y-3/4, -x-1/4, z-1/2' 'y, x, z' '-y-1/4, x-1/2, -z-3/4' 'y-1/2, -x-3/4, -z-1/4' '-x-3/4, -z-1/4, y-1/2' 'x-1/2, -z-3/4, -y-1/4' 'x, z, y' '-x-1/4, z-1/2, -y-3/4' '-z-3/4, -y-1/4, x-1/2' '-z-1/4, y-1/2, -x-3/4' 'z-1/2, -y-3/4, -x-1/4' 'z, y, x' '-x, -y+1/2, -z+1/2' 'x-3/4, y+1/4, -z' 'x-1/4, -y, z-1/4' '-x-1/2, y-1/4, z+1/4' '-z, -x+1/2, -y+1/2' '-z-1/2, x-1/4, y+1/4' 'z-3/4, x+1/4, -y' 'z-1/4, -x, y-1/4' '-y, -z+1/2, -x+1/2' 'y-1/4, -z, x-1/4' '-y-1/2, z-1/4, x+1/4' 'y-3/4, z+1/4, -x' '-y-3/4, -x+1/4, z' 'y, x+1/2, z+1/2' '-y-1/4, x, -z-1/4' 'y-1/2, -x-1/4, -z+1/4' '-x-3/4, -z+1/4, y' 'x-1/2, -z-1/4, -y+1/4' 'x, z+1/2, y+1/2' '-x-1/4, z, -y-1/4' '-z-3/4, -y+1/4, x' '-z-1/4, y, -x-1/4' 'z-1/2, -y-1/4, -x+1/4' 'z, y+1/2, x+1/2' '-x+1/2, -y, -z+1/2' 'x-1/4, y-1/4, -z' 'x+1/4, -y-1/2, z-1/4' '-x, y-3/4, z+1/4' '-z+1/2, -x, -y+1/2' '-z, x-3/4, y+1/4' 'z-1/4, x-1/4, -y' 'z+1/4, -x-1/2, y-1/4' '-y+1/2, -z, -x+1/2' 'y+1/4, -z-1/2, x-1/4' '-y, z-3/4, x+1/4' 'y-1/4, z-1/4, -x' '-y-1/4, -x-1/4, z' 'y+1/2, x, z+1/2' '-y+1/4, x-1/2, -z-1/4' 'y, -x-3/4, -z+1/4' '-x-1/4, -z-1/4, y' 'x, -z-3/4, -y+1/4' 'x+1/2, z, y+1/2' '-x+1/4, z-1/2, -y-1/4' '-z-1/4, -y-1/4, x' '-z+1/4, y-1/2, -x-1/4' 'z, -y-3/4, -x+1/4' 'z+1/2, y, x+1/2' '-x+1/2, -y+1/2, -z' 'x-1/4, y+1/4, -z-1/2' 'x+1/4, -y, z-3/4' '-x, y-1/4, z-1/4' '-z+1/2, -x+1/2, -y' '-z, x-1/4, y-1/4' 'z-1/4, x+1/4, -y-1/2' 'z+1/4, -x, y-3/4' '-y+1/2, -z+1/2, -x' 'y+1/4, -z, x-3/4' '-y, z-1/4, x-1/4' 'y-1/4, z+1/4, -x-1/2' '-y-1/4, -x+1/4, z-1/2' 'y+1/2, x+1/2, z' '-y+1/4, x, -z-3/4' 'y, -x-1/4, -z-1/4' '-x-1/4, -z+1/4, y-1/2' 'x, -z-1/4, -y-1/4' 'x+1/2, z+1/2, y' '-x+1/4, z, -y-3/4' '-z-1/4, -y+1/4, x-1/2' '-z+1/4, y, -x-3/4' 'z, -y-1/4, -x-1/4' 'z+1/2, y+1/2, x' 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 Cs 0.0205(4) 0.0205(4) 0.0205(4) 0.000 0.000 0.000 Si1 0.0074(4) 0.0074(4) 0.0078(6) -0.0001(3) -0.0001(3) 0.0002(4) Si2 0.0080(5) 0.0080(5) 0.0080(5) -0.0002(5) -0.0002(5) -0.0002(5) Si3 0.0080(8) 0.0080(8) 0.0080(8) 0.000 0.000 0.000 Na 0.0208(10) 0.0208(10) 0.0208(10) -0.0009(11) -0.0009(11) -0.0009(11) loop_ _atom_site_label _atom_site_type_symbol _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_occupancy _atom_site_calc_flag _atom_site_refinement_flags Cs Cs 0.3750 0.3750 0.3750 0.0205(4) Uani 1 d S Si1 Si 0.06768(5) 0.06768(5) 0.37018(7) 0.0075(3) Uani 1 d S Si2 Si 0.21730(7) 0.21730(7) 0.21730(7) 0.0080(5) Uani 1 d S Si3 Si 0.1250 0.1250 0.1250 0.0080(8) Uani 1 d S Na Na 0.0000 0.0000 0.0000 0.0208(10) Uani 1 d S loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source Na Na 0.0362 0.0249 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Si Si 0.0817 0.0704 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Cs Cs -0.3680 2.1192 '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 Si1 Cs Si1 62.97(2) 153_565 125_655 Si1 Cs Si1 62.97(2) 153_565 169_556 Si1 Cs Si1 62.97(2) 125_655 169_556 Si1 Cs Si1 155.25(2) 153_565 108_656 Si1 Cs Si1 111.259(14) 125_655 108_656 Si1 Cs Si1 92.633(4) 169_556 108_656 Si1 Cs Si1 155.25(2) 153_565 131_655 Si1 Cs Si1 92.633(4) 125_655 131_655 Si1 Cs Si1 111.259(14) 169_556 131_655 Si1 Cs Si1 35.29(3) 108_656 131_655 Si1 Cs Si1 92.633(4) 153_565 104_566 Si1 Cs Si1 155.25(2) 125_655 104_566 Si1 Cs Si1 111.259(14) 169_556 104_566 Si1 Cs Si1 92.633(4) 108_656 104_566 Si1 Cs Si1 111.259(14) 131_655 104_566 Si1 Cs Si1 111.259(14) 153_565 175_556 Si1 Cs Si1 155.25(2) 125_655 175_556 Si1 Cs Si1 92.633(4) 169_556 175_556 Si1 Cs Si1 62.97(2) 108_656 175_556 Si1 Cs Si1 92.633(4) 131_655 175_556 Si1 Cs Si1 35.29(3) 104_566 175_556 Si1 Cs Si1 92.633(4) 153_565 147_565 Si1 Cs Si1 111.259(14) 125_655 147_565 Si1 Cs Si1 155.25(2) 169_556 147_565 Si1 Cs Si1 111.259(14) 108_656 147_565 Si1 Cs Si1 92.633(5) 131_655 147_565 Si1 Cs Si1 62.97(2) 104_566 147_565 Si1 Cs Si1 92.633(4) 175_556 147_565 Si1 Cs Si1 111.259(14) 153_565 100_665 Si1 Cs Si1 92.633(4) 125_655 100_665 Si1 Cs Si1 155.25(2) 169_556 100_665 Si1 Cs Si1 92.633(5) 108_656 100_665 Si1 Cs Si1 62.97(2) 131_655 100_665 Si1 Cs Si1 92.633(5) 104_566 100_665 Si1 Cs Si1 111.259(14) 175_556 100_665 Si1 Cs Si1 35.29(3) 147_565 100_665 Si1 Cs Si1 92.633(5) 153_565 122_656 Si1 Cs Si1 92.633(5) 125_655 122_656 Si1 Cs Si1 35.29(3) 169_556 122_656 Si1 Cs Si1 62.97(2) 108_656 122_656 Si1 Cs Si1 92.633(4) 131_655 122_656 Si1 Cs Si1 92.633(4) 104_566 122_656 Si1 Cs Si1 62.97(2) 175_556 122_656 Si1 Cs Si1 155.25(2) 147_565 122_656 Si1 Cs Si1 155.25(2) 100_665 122_656 Si1 Cs Si1 35.29(3) 153_565 178_566 Si1 Cs Si1 92.633(5) 125_655 178_566 Si1 Cs Si1 92.633(5) 169_556 178_566 Si1 Cs Si1 155.25(2) 108_656 178_566 Si1 Cs Si1 155.25(2) 131_655 178_566 Si1 Cs Si1 62.97(2) 104_566 178_566 Si1 Cs Si1 92.633(4) 175_556 178_566 Si1 Cs Si1 62.97(2) 147_565 178_566 Si1 Cs Si1 92.633(4) 100_665 178_566 Si1 Cs Si1 111.259(14) 122_656 178_566 Si1 Cs Si1 92.633(4) 153_565 150_665 Si1 Cs Si1 35.29(3) 125_655 150_665 Si1 Cs Si1 92.633(5) 169_556 150_665 Si1 Cs Si1 92.633(4) 108_656 150_665 Si1 Cs Si1 62.97(2) 131_655 150_665 Si1 Cs Si1 155.25(2) 104_566 150_665 Si1 Cs Si1 155.25(2) 175_556 150_665 Si1 Cs Si1 92.633(4) 147_565 150_665 Si1 Cs Si1 62.97(2) 100_665 150_665 Si1 Cs Si1 111.259(14) 122_656 150_665 Si1 Cs Si1 111.259(14) 178_566 150_665 Si2 Si1 Si1 105.52(5) 50_454 129 Si2 Si1 Si1 105.52(5) 50_454 149 Si1 Si1 Si1 119.844(7) 129 149 Si2 Si1 Si1 107.93(5) 50_454 50_454 Si1 Si1 Si1 108.71(4) 129 50_454 Si1 Si1 Si1 108.71(4) 149 50_454 Si2 Si1 Na 66.98(3) 50_454 76_445 Si1 Si1 Na 69.331(14) 129 76_445 Si1 Si1 Na 170.16(3) 149 76_445 Si1 Si1 Na 69.23(2) 50_454 76_445 Si2 Si1 Na 66.98(3) 50_454 27_544 Si1 Si1 Na 170.16(3) 129 27_544 Si1 Si1 Na 69.331(14) 149 27_544 Si1 Si1 Na 69.23(2) 50_454 27_544 Na Si1 Na 101.30(3) 76_445 27_544 Si2 Si1 Cs 179.71(6) 50_454 169_556 Si1 Si1 Cs 74.36(4) 129 169_556 Si1 Si1 Cs 74.36(4) 149 169_556 Si1 Si1 Cs 72.35(2) 50_454 169_556 Na Si1 Cs 113.17(2) 76_445 169_556 Na Si1 Cs 113.17(2) 27_544 169_556 Si2 Si1 Cs 73.08(5) 50_454 73_445 Si1 Si1 Cs 70.88(4) 129 73_445 Si1 Si1 Cs 70.88(4) 149 73_445 Si1 Si1 Cs 178.99(2) 50_454 73_445 Na Si1 Cs 111.34(2) 76_445 73_445 Na Si1 Cs 111.34(2) 27_544 73_445 Cs Si1 Cs 106.63(3) 169_556 73_445 Si3 Si2 Si1 107.33(5) . 34_544 Si3 Si2 Si1 107.33(5) . 78_445 Si1 Si2 Si1 111.52(4) 34_544 78_445 Si3 Si2 Si1 107.33(5) . 50_454 Si1 Si2 Si1 111.52(4) 34_544 50_454 Si1 Si2 Si1 111.52(4) 78_445 50_454 Si3 Si2 Na 66.75(3) . 76_445 Si1 Si2 Na 71.28(2) 34_544 76_445 Si1 Si2 Na 174.08(8) 78_445 76_445 Si1 Si2 Na 71.28(2) 50_454 76_445 Si3 Si2 Na 66.75(3) . 27_544 Si1 Si2 Na 174.08(8) 34_544 27_544 Si1 Si2 Na 71.28(2) 78_445 27_544 Si1 Si2 Na 71.28(2) 50_454 27_544 Na Si2 Na 105.44(3) 76_445 27_544 Si3 Si2 Na 66.75(3) . 50_454 Si1 Si2 Na 71.28(2) 34_544 50_454 Si1 Si2 Na 71.28(2) 78_445 50_454 Si1 Si2 Na 174.08(8) 50_454 50_454 Na Si2 Na 105.44(3) 76_445 50_454 Na Si2 Na 105.44(3) 27_544 50_454 Si3 Si2 Cs 180.00(10) . . Si1 Si2 Cs 72.67(5) 34_544 . Si1 Si2 Cs 72.67(5) 78_445 . Si1 Si2 Cs 72.67(5) 50_454 . Na Si2 Cs 113.25(3) 76_445 . Na Si2 Cs 113.25(3) 27_544 . Na Si2 Cs 113.25(3) 50_454 . Si2 Si3 Si2 109.5 . 76_445 Si2 Si3 Si2 109.5 . 27_544 Si2 Si3 Si2 109.5 76_445 27_544 Si2 Si3 Si2 109.5 . 50_454 Si2 Si3 Si2 109.5 76_445 50_454 Si2 Si3 Si2 109.5 27_544 50_454 Si2 Si3 Na 180.00(6) . . Si2 Si3 Na 70.5 76_445 . Si2 Si3 Na 70.5 27_544 . Si2 Si3 Na 70.5 50_454 . Si2 Si3 Na 70.5 . 76_445 Si2 Si3 Na 180.00(2) 76_445 76_445 Si2 Si3 Na 70.5 27_544 76_445 Si2 Si3 Na 70.5 50_454 76_445 Na Si3 Na 109.5 . 76_445 Si2 Si3 Na 70.5 . 50_454 Si2 Si3 Na 70.5 76_445 50_454 Si2 Si3 Na 70.5 27_544 50_454 Si2 Si3 Na 180.00(2) 50_454 50_454 Na Si3 Na 109.5 . 50_454 Na Si3 Na 109.5 76_445 50_454 Si2 Si3 Na 70.5 . 27_544 Si2 Si3 Na 70.5 76_445 27_544 Si2 Si3 Na 180.00(2) 27_544 27_544 Si2 Si3 Na 70.5 50_454 27_544 Na Si3 Na 109.5 . 27_544 Na Si3 Na 109.5 76_445 27_544 Na Si3 Na 109.5 50_454 27_544 Si3 Na Si3 180.0 97 . Si3 Na Si2 42.72(3) 97 172 Si3 Na Si2 137.28(3) . 172 Si3 Na Si2 137.28(3) 97 76_445 Si3 Na Si2 42.72(3) . 76_445 Si2 Na Si2 180.0 172 76_445 Si3 Na Si2 42.72(3) 97 123 Si3 Na Si2 137.28(3) . 123 Si2 Na Si2 71.97(5) 172 123 Si2 Na Si2 108.03(5) 76_445 123 Si3 Na Si2 137.28(3) 97 27_544 Si3 Na Si2 42.72(3) . 27_544 Si2 Na Si2 108.03(5) 172 27_544 Si2 Na Si2 71.97(5) 76_445 27_544 Si2 Na Si2 180.0 123 27_544 Si3 Na Si2 42.72(3) 97 146 Si3 Na Si2 137.28(3) . 146 Si2 Na Si2 71.97(5) 172 146 Si2 Na Si2 108.03(5) 76_445 146 Si2 Na Si2 71.97(5) 123 146 Si2 Na Si2 108.03(5) 27_544 146 Si3 Na Si2 137.28(3) 97 50_454 Si3 Na Si2 42.72(3) . 50_454 Si2 Na Si2 108.03(5) 172 50_454 Si2 Na Si2 71.97(5) 76_445 50_454 Si2 Na Si2 108.03(5) 123 50_454 Si2 Na Si2 71.97(5) 27_544 50_454 Si2 Na Si2 180.0 146 50_454 Si3 Na Si1 109.139(15) 97 27_544 Si3 Na Si1 70.861(15) . 27_544 Si2 Na Si1 138.27(2) 172 27_544 Si2 Na Si1 41.73(2) 76_445 27_544 Si2 Na Si1 109.24(2) 123 27_544 Si2 Na Si1 70.76(2) 27_544 27_544 Si2 Na Si1 69.32(3) 146 27_544 Si2 Na Si1 110.68(3) 50_454 27_544 Si3 Na Si1 70.861(15) 97 128 Si3 Na Si1 109.139(15) . 128 Si2 Na Si1 110.68(3) 172 128 Si2 Na Si1 69.32(3) 76_445 128 Si2 Na Si1 70.76(2) 123 128 Si2 Na Si1 109.24(2) 27_544 128 Si2 Na Si1 41.73(2) 146 128 Si2 Na Si1 138.27(2) 50_454 128 Si1 Na Si1 41.34(3) 27_544 128 Si3 Na Si1 109.139(15) 97 83_445 Si3 Na Si1 70.861(15) . 83_445 Si2 Na Si1 109.24(2) 172 83_445 Si2 Na Si1 70.76(2) 76_445 83_445 Si2 Na Si1 69.32(3) 123 83_445 Si2 Na Si1 110.68(3) 27_544 83_445 Si2 Na Si1 138.27(2) 146 83_445 Si2 Na Si1 41.73(2) 50_454 83_445 Si1 Na Si1 109.801(15) 27_544 83_445 Si1 Na Si1 108.95(4) 128 83_445 Si3 Na Si1 70.861(15) 97 179 Si3 Na Si1 109.139(15) . 179 Si2 Na Si1 70.76(2) 172 179 Si2 Na Si1 109.24(2) 76_445 179 Si2 Na Si1 110.68(3) 123 179 Si2 Na Si1 69.32(3) 27_544 179 Si2 Na Si1 41.73(2) 146 179 Si2 Na Si1 138.27(2) 50_454 179 Si1 Na Si1 70.199(15) 27_544 179 Si1 Na Si1 71.05(4) 128 179 Si1 Na Si1 180.0 83_445 179 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 Cs Si1 3.9410(12) 153_565 Cs Si1 3.9410(12) 125_655 Cs Si1 3.9410(12) 169_556 Cs Si1 3.9410(12) 108_656 Cs Si1 3.9410(12) 131_655 Cs Si1 3.9410(12) 104_566 Cs Si1 3.9410(12) 175_556 Cs Si1 3.9410(12) 147_565 Cs Si1 3.9410(12) 100_665 Cs Si1 3.9410(12) 122_656 Cs Si1 3.9410(12) 178_566 Cs Si1 3.9410(12) 150_665 Si1 Si2 2.3681(12) 50_454 Si1 Si1 2.3785(11) 129 Si1 Si1 2.3785(11) 149 Si1 Si1 2.389(2) 50_454 Si1 Na 3.3693(8) 76_445 Si1 Na 3.3693(8) 27_544 Si1 Cs 3.9410(12) 169_556 Si1 Cs 4.0166(12) 73_445 Si2 Si3 2.356(2) . Si2 Si1 2.3681(12) 34_544 Si2 Si1 2.3681(12) 78_445 Si2 Si1 2.3681(12) 50_454 Si2 Na 3.2743(8) 76_445 Si2 Na 3.2743(8) 27_544 Si2 Na 3.2743(8) 50_454 Si3 Si2 2.356(2) 76_445 Si3 Si2 2.356(2) 27_544 Si3 Si2 2.356(2) 50_454 Si3 Na 3.1909(4) . Si3 Na 3.1909(4) 76_445 Si3 Na 3.1909(4) 50_454 Si3 Na 3.1909(4) 27_544 Na Si3 3.1909(4) 97 Na Si2 3.2743(8) 172 Na Si2 3.2743(8) 76_445 Na Si2 3.2743(8) 123 Na Si2 3.2743(8) 27_544 Na Si2 3.2743(8) 146 Na Si2 3.2743(8) 50_454 Na Si1 3.3693(8) 27_544 Na Si1 3.3693(8) 128 Na Si1 3.3693(8) 83_445 Na Si1 3.3693(8) 179