#------------------------------------------------------------------------------ #$Date: 2016-02-16 20:30:59 +0000 (Tue, 16 Feb 2016) $ #$Revision: 176467 $ #$URL: svn://www.crystallography.net/cod/cif/4/00/16/4001689.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_4001689 loop_ _publ_author_name 'He, Hua' 'Zevalkink, Alex' 'Gibbs, Zachary M.' 'Snyder, G. Jeffrey' 'Bobev, Svilen' _publ_section_title ; Synthesis, Structural Characterization, and Physical Properties of the Type-I ClathratesA8Zn18As28(A= K, Rb, Cs) and Cs8Cd18As28 ; _journal_issue 18 _journal_name_full 'Chemistry of Materials' _journal_page_first 3596 _journal_paper_doi 10.1021/cm3020226 _journal_volume 24 _journal_year 2012 _chemical_formula_sum 'As27.8 K7.22 Zn18.2' _chemical_formula_weight 3554.81 _chemical_name_systematic ; ? ; _space_group_IT_number 223 _symmetry_cell_setting cubic _symmetry_space_group_name_Hall '-P 4n 2 3' _symmetry_space_group_name_H-M 'P m -3 n' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 1 _cell_length_a 10.7173(6) _cell_length_b 10.7173(6) _cell_length_c 10.7173(6) _cell_measurement_reflns_used 310 _cell_measurement_temperature 200(2) _cell_measurement_theta_max 28.42 _cell_measurement_theta_min 2.69 _cell_volume 1230.99(12) _computing_cell_refinement 'Bruker SMART' _computing_data_collection 'Bruker SMART' _computing_data_reduction 'Bruker SAINT' _computing_molecular_graphics 'Bruker SHELXTL' _computing_publication_material 'Bruker SHELXTL' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _diffrn_ambient_temperature 200(2) _diffrn_measured_fraction_theta_full 1.000 _diffrn_measured_fraction_theta_max 1.000 _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 0.0578 _diffrn_reflns_av_sigmaI/netI 0.0187 _diffrn_reflns_limit_h_max 12 _diffrn_reflns_limit_h_min -14 _diffrn_reflns_limit_k_max 13 _diffrn_reflns_limit_k_min -14 _diffrn_reflns_limit_l_max 13 _diffrn_reflns_limit_l_min -13 _diffrn_reflns_number 8673 _diffrn_reflns_theta_full 28.42 _diffrn_reflns_theta_max 28.42 _diffrn_reflns_theta_min 2.69 _exptl_absorpt_coefficient_mu 27.843 _exptl_absorpt_correction_T_max 0.188 _exptl_absorpt_correction_T_min 0.124 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details ; SADABS (Sheldrick, 2003) ; _exptl_crystal_colour brown _exptl_crystal_density_diffrn 4.795 _exptl_crystal_density_method 'not measured' _exptl_crystal_description cube _exptl_crystal_F_000 1601 _exptl_crystal_size_max 0.08 _exptl_crystal_size_mid 0.07 _exptl_crystal_size_min 0.06 _refine_diff_density_max 0.381 _refine_diff_density_min -0.384 _refine_diff_density_rms 0.097 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.011 _refine_ls_matrix_type full _refine_ls_number_parameters 18 _refine_ls_number_reflns 310 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.011 _refine_ls_R_factor_all 0.0204 _refine_ls_R_factor_gt 0.0145 _refine_ls_shift/su_max 0.004 _refine_ls_shift/su_mean 0.001 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0148P)^2^+0.7775P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0300 _refine_ls_wR_factor_ref 0.0313 _reflns_number_gt 275 _reflns_number_total 310 _reflns_threshold_expression >2sigma(I) _cod_data_source_file cm3020226_si_002.cif _cod_data_source_block I _cod_original_formula_sum 'As27.80 K7.22 Zn18.20' _cod_database_code 4001689 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z' '-x, y, -z' 'x, -y, -z' 'z, x, y' 'z, -x, -y' '-z, -x, y' '-z, x, -y' 'y, z, x' '-y, z, -x' 'y, -z, -x' '-y, -z, x' 'y+1/2, x+1/2, -z+1/2' '-y+1/2, -x+1/2, -z+1/2' 'y+1/2, -x+1/2, z+1/2' '-y+1/2, x+1/2, z+1/2' 'x+1/2, z+1/2, -y+1/2' '-x+1/2, z+1/2, y+1/2' '-x+1/2, -z+1/2, -y+1/2' 'x+1/2, -z+1/2, y+1/2' 'z+1/2, y+1/2, -x+1/2' 'z+1/2, -y+1/2, x+1/2' '-z+1/2, y+1/2, x+1/2' '-z+1/2, -y+1/2, -x+1/2' '-x, -y, -z' 'x, y, -z' 'x, -y, z' '-x, y, z' '-z, -x, -y' '-z, x, y' 'z, x, -y' 'z, -x, y' '-y, -z, -x' 'y, -z, x' '-y, z, x' 'y, z, -x' '-y-1/2, -x-1/2, z-1/2' 'y-1/2, x-1/2, z-1/2' '-y-1/2, x-1/2, -z-1/2' 'y-1/2, -x-1/2, -z-1/2' '-x-1/2, -z-1/2, y-1/2' 'x-1/2, -z-1/2, -y-1/2' 'x-1/2, z-1/2, y-1/2' '-x-1/2, z-1/2, -y-1/2' '-z-1/2, -y-1/2, x-1/2' '-z-1/2, y-1/2, -x-1/2' 'z-1/2, -y-1/2, -x-1/2' 'z-1/2, y-1/2, x-1/2' 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_adp_type _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags K1 K 0.0000 0.0000 0.0000 0.0192(13) Uani 0.611(10) 24 d SP K2 K 0.2500 0.5000 0.0000 0.0343(4) Uani 1 8 d S As1 As 0.2500 0.0000 0.5000 0.01271(17) Uani 0.50 8 d SP Zn1 Zn 0.2500 0.0000 0.5000 0.01271(17) Uani 0.50 8 d SP As2A As 0.18343(6) 0.18343(6) 0.18343(6) 0.0138(2) Uani 0.731(3) 3 d SP Zn2A Zn 0.18343(6) 0.18343(6) 0.18343(6) 0.0138(2) Uani 0.1827(6) 3 d SP As2B As 0.1526(6) 0.1526(6) 0.1526(6) 0.0138(2) Uani 0.069(3) 3 d SP Zn2B Zn 0.1526(6) 0.1526(6) 0.1526(6) 0.01376(3) Uani 0.0173(6) 3 d SP As3 As 0.0000 0.31091(3) 0.11805(3) 0.01415(11) Uani 0.50 2 d SP Zn3 Zn 0.0000 0.31091(3) 0.11805(3) 0.01415(11) Uani 0.50 2 d SP 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 K1 0.0192(13) 0.0192(13) 0.0192(13) 0.000 0.000 0.000 K2 0.0215(9) 0.0407(7) 0.0407(7) 0.000 0.000 0.000 As1 0.0139(4) 0.0121(2) 0.0121(2) 0.000 0.000 0.000 Zn1 0.0139(4) 0.0121(2) 0.0121(2) 0.000 0.000 0.000 As2A 0.0138(2) 0.0138(2) 0.0138(2) -0.00040(18) -0.00040(18) -0.00040(18) Zn2A 0.0138(2) 0.0138(2) 0.0138(2) -0.00040(18) -0.00040(18) -0.00040(18) As2B 0.0138(2) 0.0138(2) 0.0138(2) -0.00040(18) -0.00040(18) -0.00040(18) Zn2B 0.01376(3) 0.01376(3) 0.01376(3) -0.00040(3) -0.00040(3) -0.00040(3) As3 0.01442(19) 0.01245(19) 0.0156(2) -0.00082(14) 0.000 0.000 Zn3 0.01442(19) 0.01245(19) 0.0156(2) -0.00082(14) 0.000 0.000 loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source K K 0.2009 0.2494 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Zn Zn 0.2839 1.4301 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' As As 0.0499 2.0058 '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 As2B K1 Zn2B 180.0(7) . 25 As2B K1 As2B 180.0(7) . 25 Zn2B K1 As2B 0.0(4) 25 25 As2B K1 Zn2B 109.5 . 4 Zn2B K1 Zn2B 70.5 25 4 As2B K1 Zn2B 70.5 25 4 As2B K1 Zn2B 70.5 . 27 Zn2B K1 Zn2B 109.5 25 27 As2B K1 Zn2B 109.5 25 27 Zn2B K1 Zn2B 70.5 4 27 As2B K1 Zn2B 70.5 . 26 Zn2B K1 Zn2B 109.5 25 26 As2B K1 Zn2B 109.5 25 26 Zn2B K1 Zn2B 70.5 4 26 Zn2B K1 Zn2B 109.5 27 26 As2B K1 As2B 109.5 . 4 Zn2B K1 As2B 70.5 25 4 As2B K1 As2B 70.5 25 4 Zn2B K1 As2B 0.0(4) 4 4 Zn2B K1 As2B 70.5 27 4 Zn2B K1 As2B 70.5 26 4 As2B K1 As2B 70.5 . 27 Zn2B K1 As2B 109.5 25 27 As2B K1 As2B 109.5 25 27 Zn2B K1 As2B 70.5 4 27 Zn2B K1 As2B 0.0(7) 27 27 Zn2B K1 As2B 109.5 26 27 As2B K1 As2B 70.5 4 27 As2B K1 As2B 70.5 . 26 Zn2B K1 As2B 109.5 25 26 As2B K1 As2B 109.5 25 26 Zn2B K1 As2B 70.5 4 26 Zn2B K1 As2B 109.5 27 26 Zn2B K1 As2B 0.0(7) 26 26 As2B K1 As2B 70.5 4 26 As2B K1 As2B 109.5 27 26 As2B K1 Zn2B 70.5 . 28 Zn2B K1 Zn2B 109.5 25 28 As2B K1 Zn2B 109.5 25 28 Zn2B K1 Zn2B 180.0(4) 4 28 Zn2B K1 Zn2B 109.5 27 28 Zn2B K1 Zn2B 109.5 26 28 As2B K1 Zn2B 180.0(4) 4 28 As2B K1 Zn2B 109.5 27 28 As2B K1 Zn2B 109.5 26 28 As2B K1 Zn2B 109.5 . 3 Zn2B K1 Zn2B 70.5 25 3 As2B K1 Zn2B 70.5 25 3 Zn2B K1 Zn2B 109.5 4 3 Zn2B K1 Zn2B 180.0(4) 27 3 Zn2B K1 Zn2B 70.5 26 3 As2B K1 Zn2B 109.5 4 3 As2B K1 Zn2B 180.0(4) 27 3 As2B K1 Zn2B 70.5 26 3 Zn2B K1 Zn2B 70.5 28 3 Zn3 K2 Zn3 162.749(11) 17 26 Zn3 K2 As3 0.000(14) 17 17 Zn3 K2 As3 162.749(11) 26 17 Zn3 K2 As3 162.749(11) 17 26 Zn3 K2 As3 0.000(11) 26 26 As3 K2 As3 162.749(11) 17 26 Zn3 K2 Zn3 41.274(11) 17 42_666 Zn3 K2 Zn3 123.854(5) 26 42_666 As3 K2 Zn3 41.274(11) 17 42_666 As3 K2 Zn3 123.854(5) 26 42_666 Zn3 K2 As3 123.854(5) 17 . Zn3 K2 As3 41.273(11) 26 . As3 K2 As3 123.854(5) 17 . As3 K2 As3 41.273(11) 26 . Zn3 K2 As3 99.157(9) 42_666 . Zn3 K2 As3 41.274(11) 17 42_666 Zn3 K2 As3 123.854(5) 26 42_666 As3 K2 As3 41.274(11) 17 42_666 As3 K2 As3 123.854(5) 26 42_666 Zn3 K2 As3 0.000(14) 42_666 42_666 As3 K2 As3 99.157(9) . 42_666 Zn3 K2 Zn3 68.741(9) 17 18_554 Zn3 K2 Zn3 123.854(5) 26 18_554 As3 K2 Zn3 68.741(9) 17 18_554 As3 K2 Zn3 123.854(5) 26 18_554 Zn3 K2 Zn3 83.445(8) 42_666 18_554 As3 K2 Zn3 162.749(11) . 18_554 As3 K2 Zn3 83.445(8) 42_666 18_554 Zn3 K2 As3 68.741(9) 17 18_554 Zn3 K2 As3 123.854(5) 26 18_554 As3 K2 As3 68.741(9) 17 18_554 As3 K2 As3 123.854(5) 26 18_554 Zn3 K2 As3 83.445(8) 42_666 18_554 As3 K2 As3 162.749(11) . 18_554 As3 K2 As3 83.445(8) 42_666 18_554 Zn3 K2 As3 0.000(14) 18_554 18_554 Zn3 K2 Zn3 123.854(5) 17 25_565 Zn3 K2 Zn3 68.741(9) 26 25_565 As3 K2 Zn3 123.854(5) 17 25_565 As3 K2 Zn3 68.741(9) 26 25_565 Zn3 K2 Zn3 162.749(11) 42_666 25_565 As3 K2 Zn3 83.445(8) . 25_565 As3 K2 Zn3 162.749(11) 42_666 25_565 Zn3 K2 Zn3 99.157(9) 18_554 25_565 As3 K2 Zn3 99.157(9) 18_554 25_565 Zn3 K2 As3 123.854(5) 17 25_565 Zn3 K2 As3 68.741(9) 26 25_565 As3 K2 As3 123.854(5) 17 25_565 As3 K2 As3 68.741(9) 26 25_565 Zn3 K2 As3 162.749(11) 42_666 25_565 As3 K2 As3 83.445(8) . 25_565 As3 K2 As3 162.749(11) 42_666 25_565 Zn3 K2 As3 99.157(9) 18_554 25_565 As3 K2 As3 99.157(9) 18_554 25_565 Zn3 K2 As3 0.0 25_565 25_565 Zn3 As1 Zn3 109.115(8) 45_666 5 Zn3 As1 As3 0.000(9) 45_666 45_666 Zn3 As1 As3 109.115(8) 5 45_666 Zn3 As1 As3 109.115(8) 45_666 5 Zn3 As1 As3 0.000(13) 5 5 As3 As1 As3 109.115(8) 45_666 5 Zn3 As1 Zn3 110.185(16) 45_666 46_656 Zn3 As1 Zn3 109.115(8) 5 46_656 As3 As1 Zn3 110.185(16) 45_666 46_656 As3 As1 Zn3 109.115(8) 5 46_656 Zn3 As1 Zn3 109.115(8) 45_666 6_556 Zn3 As1 Zn3 110.185(16) 5 6_556 As3 As1 Zn3 109.115(8) 45_666 6_556 As3 As1 Zn3 110.185(16) 5 6_556 Zn3 As1 Zn3 109.115(8) 46_656 6_556 Zn3 As1 As3 109.115(8) 45_666 6_556 Zn3 As1 As3 110.185(16) 5 6_556 As3 As1 As3 109.115(8) 45_666 6_556 As3 As1 As3 110.185(16) 5 6_556 Zn3 As1 As3 109.115(8) 46_656 6_556 Zn3 As1 As3 0.000(13) 6_556 6_556 Zn3 As1 As3 110.185(16) 45_666 46_656 Zn3 As1 As3 109.115(8) 5 46_656 As3 As1 As3 110.185(16) 45_666 46_656 As3 As1 As3 109.115(8) 5 46_656 Zn3 As1 As3 0.000(9) 46_656 46_656 Zn3 As1 As3 109.115(8) 6_556 46_656 As3 As1 As3 109.115(8) 6_556 46_656 Zn3 As1 K2 66.131(5) 45_666 33_656 Zn3 As1 K2 169.907(8) 5 33_656 As3 As1 K2 66.131(5) 45_666 33_656 As3 As1 K2 169.907(8) 5 33_656 Zn3 As1 K2 66.131(5) 46_656 33_656 Zn3 As1 K2 79.907(8) 6_556 33_656 As3 As1 K2 79.907(8) 6_556 33_656 As3 As1 K2 66.131(5) 46_656 33_656 Zn3 As1 K2 169.907(8) 45_666 29_556 Zn3 As1 K2 66.131(5) 5 29_556 As3 As1 K2 169.907(8) 45_666 29_556 As3 As1 K2 66.131(5) 5 29_556 Zn3 As1 K2 79.907(8) 46_656 29_556 Zn3 As1 K2 66.131(5) 6_556 29_556 As3 As1 K2 66.131(5) 6_556 29_556 As3 As1 K2 79.907(8) 46_656 29_556 K2 As1 K2 120.0 33_656 29_556 Zn3 As1 K2 66.131(5) 45_666 9 Zn3 As1 K2 79.907(8) 5 9 As3 As1 K2 66.131(5) 45_666 9 As3 As1 K2 79.907(8) 5 9 Zn3 As1 K2 66.131(5) 46_656 9 Zn3 As1 K2 169.907(8) 6_556 9 As3 As1 K2 169.907(8) 6_556 9 As3 As1 K2 66.131(5) 46_656 9 K2 As1 K2 90.0 33_656 9 K2 As1 K2 120.0 29_556 9 Zn3 As1 K2 79.907(8) 45_666 5 Zn3 As1 K2 66.131(5) 5 5 As3 As1 K2 79.907(8) 45_666 5 As3 As1 K2 66.131(5) 5 5 Zn3 As1 K2 169.907(8) 46_656 5 Zn3 As1 K2 66.131(5) 6_556 5 As3 As1 K2 66.131(5) 6_556 5 As3 As1 K2 169.907(8) 46_656 5 K2 As1 K2 120.0 33_656 5 K2 As1 K2 90.0 29_556 5 K2 As1 K2 120.0 9 5 As2B As2A Zn2A 180.0(5) . 14 As2B As2A As2A 180.0(5) . 14 Zn2A As2A As2A 0.00(5) 14 14 As2B As2A Zn3 72.48(3) . 5 Zn2A As2A Zn3 107.52(3) 14 5 As2A As2A Zn3 107.52(3) 14 5 As2B As2A As3 72.48(3) . 5 Zn2A As2A As3 107.52(3) 14 5 As2A As2A As3 107.52(3) 14 5 Zn3 As2A As3 0.000(16) 5 5 As2B As2A Zn3 72.48(3) . 9 Zn2A As2A Zn3 107.52(3) 14 9 As2A As2A Zn3 107.52(3) 14 9 Zn3 As2A Zn3 111.35(2) 5 9 As3 As2A Zn3 111.35(2) 5 9 As2B As2A As3 72.48(3) . . Zn2A As2A As3 107.52(3) 14 . As2A As2A As3 107.52(3) 14 . Zn3 As2A As3 111.35(2) 5 . As3 As2A As3 111.35(2) 5 . Zn3 As2A As3 111.35(2) 9 . As2B As2A As3 72.48(3) . 9 Zn2A As2A As3 107.52(3) 14 9 As2A As2A As3 107.52(3) 14 9 Zn3 As2A As3 111.35(2) 5 9 As3 As2A As3 111.35(2) 5 9 Zn3 As2A As3 0.00(2) 9 9 As3 As2A As3 111.35(2) . 9 As2B As2A K1 0.0(5) . . Zn2A As2A K1 180.00(3) 14 . As2A As2A K1 180.00(3) 14 . Zn3 As2A K1 72.48(3) 5 . As3 As2A K1 72.48(3) 5 . Zn3 As2A K1 72.48(3) 9 . As3 As2A K1 72.48(3) . . As3 As2A K1 72.48(3) 9 . As2A As2B Zn3 94.3(3) . 5 As2A As2B As3 94.3(3) . 5 Zn3 As2B As3 0.000(17) 5 5 As2A As2B Zn3 94.3(3) . 9 Zn3 As2B Zn3 119.45(7) 5 9 As3 As2B Zn3 119.45(7) 5 9 As2A As2B As3 94.3(3) . . Zn3 As2B As3 119.45(7) 5 . As3 As2B As3 119.45(7) 5 . Zn3 As2B As3 119.45(7) 9 . As2A As2B As3 94.3(3) . 9 Zn3 As2B As3 119.45(7) 5 9 As3 As2B As3 119.45(7) 5 9 Zn3 As2B As3 0.00(2) 9 9 As3 As2B As3 119.45(7) . 9 As2A As2B K1 180.0(6) . . Zn3 As2B K1 85.7(3) 5 . As3 As2B K1 85.7(3) 5 . Zn3 As2B K1 85.7(3) 9 . As3 As2B K1 85.7(3) . . As3 As2B K1 85.7(3) 9 . Zn2B As3 As2B 0.000(8) 28 28 Zn2B As3 As2B 86.5(4) 28 . As2B As3 As2B 86.5(4) 28 . Zn2B As3 Zn1 119.6(3) 28 9 As2B As3 Zn1 119.6(3) 28 9 As2B As3 Zn1 119.6(3) . 9 Zn2B As3 As1 119.6(3) 28 9 As2B As3 As1 119.6(3) 28 9 As2B As3 As1 119.6(3) . 9 Zn1 As3 As1 0.0 9 9 Zn2B As3 Zn2A 13.2(3) 28 28 As2B As3 Zn2A 13.2(3) 28 28 As2B As3 Zn2A 96.15(18) . 28 Zn1 As3 Zn2A 106.76(3) 9 28 As1 As3 Zn2A 106.76(3) 9 28 Zn2B As3 As2A 13.2(3) 28 28 As2B As3 As2A 13.2(3) 28 28 As2B As3 As2A 96.15(18) . 28 Zn1 As3 As2A 106.76(3) 9 28 As1 As3 As2A 106.76(3) 9 28 Zn2A As3 As2A 0.000(7) 28 28 Zn2B As3 As2A 96.15(18) 28 . As2B As3 As2A 96.15(18) 28 . As2B As3 As2A 13.2(3) . . Zn1 As3 As2A 106.76(3) 9 . As1 As3 As2A 106.76(3) 9 . Zn2A As3 As2A 104.02(3) 28 . As2A As3 As2A 104.02(3) 28 . Zn2B As3 Zn3 98.92(16) 28 26 As2B As3 Zn3 98.92(16) 28 26 As2B As3 Zn3 98.92(16) . 26 Zn1 As3 Zn3 124.907(8) 9 26 As1 As3 Zn3 124.907(8) 9 26 Zn2A As3 Zn3 106.315(16) 28 26 As2A As3 Zn3 106.315(16) 28 26 As2A As3 Zn3 106.315(16) . 26 Zn2B As3 As3 98.92(16) 28 26 As2B As3 As3 98.92(16) 28 26 As2B As3 As3 98.92(16) . 26 Zn1 As3 As3 124.907(8) 9 26 As1 As3 As3 124.907(8) 9 26 Zn2A As3 As3 106.315(16) 28 26 As2A As3 As3 106.315(16) 28 26 As2A As3 As3 106.315(16) . 26 Zn3 As3 As3 0.000(16) 26 26 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 K1 As2B 2.832(11) . K1 Zn2B 2.832(11) 25 K1 As2B 2.832(11) 25 K1 Zn2B 2.832(11) 4 K1 Zn2B 2.832(11) 27 K1 Zn2B 2.832(11) 26 K1 As2B 2.832(11) 4 K1 As2B 2.832(11) 27 K1 As2B 2.832(11) 26 K1 Zn2B 2.832(11) 28 K1 Zn2B 2.832(11) 3 K2 Zn3 3.5898(3) 17 K2 Zn3 3.5898(3) 26 K2 As3 3.5898(3) 17 K2 As3 3.5898(3) 26 K2 Zn3 3.5898(3) 42_666 K2 As3 3.5898(3) . K2 As3 3.5898(3) 42_666 K2 Zn3 3.5898(3) 18_554 K2 As3 3.5898(3) 18_554 K2 Zn3 3.5898(3) 25_565 K2 As3 3.5898(3) 25_565 As1 Zn3 2.4712(4) 45_666 As1 Zn3 2.4712(4) 5 As1 As3 2.4712(4) 45_666 As1 As3 2.4712(4) 5 As1 Zn3 2.4712(4) 46_656 As1 Zn3 2.4712(4) 6_556 As1 As3 2.4712(4) 6_556 As1 As3 2.4712(4) 46_656 As1 K2 3.7891(2) 33_656 As1 K2 3.7891(2) 29_556 As1 K2 3.7891(2) 9 As1 K2 3.7891(2) 5 As2A As2B 0.573(10) . As2A Zn2A 2.471(2) 14 As2A As2A 2.471(2) 14 As2A Zn3 2.4944(4) 5 As2A As3 2.4944(4) 5 As2A Zn3 2.4944(4) 9 As2A As3 2.4944(4) . As2A As3 2.4944(4) 9 As2B Zn3 2.3854(9) 5 As2B As3 2.3854(9) 5 As2B Zn3 2.3854(9) 9 As2B As3 2.3854(9) . As2B As3 2.3854(9) 9 As3 Zn2B 2.3854(9) 28 As3 As2B 2.3854(9) 28 As3 Zn1 2.4712(4) 9 As3 As1 2.4712(4) 9 As3 Zn2A 2.4944(4) 28 As3 As2A 2.4944(4) 28 As3 Zn3 2.5304(7) 26 As3 As3 2.5304(7) 26