#------------------------------------------------------------------------------ #$Date: 2012-02-03 19:16:24 +0200 (Fri, 03 Feb 2012) $ #$Revision: 32112 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/00/87/2008759.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2008759 loop_ _publ_author_name 'Huang, Fu Qiang' 'Ibers, James A.' _publ_section_title ; Dy~3~CuGeSe~7~ ; _journal_issue 8 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1210 _journal_page_last 1212 _journal_volume 55 _journal_year 1999 _chemical_formula_iupac 'Dy3 Cu1 Ge1 Se7' _chemical_formula_sum 'Cu Dy3 Ge Se7' _chemical_formula_weight 1176.35 _chemical_name_systematic ; dysprosium copper germanium selenide ; _space_group_IT_number 173 _symmetry_cell_setting hexagonal _symmetry_space_group_name_Hall 'P 6c' _symmetry_space_group_name_H-M 'P 63' _audit_creation_method SHELXL-97 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 2 _cell_length_a 10.2499(9) _cell_length_b 10.2499(9) _cell_length_c 6.0322(8) _cell_measurement_reflns_used 2187 _cell_measurement_temperature 153(2) _cell_measurement_theta_max 28.16 _cell_measurement_theta_min 2.29 _cell_volume 548.84(10) _computing_cell_refinement SMART _computing_data_collection 'SMART (Bruker, 1997)' _computing_data_reduction 'SAINT-Plus (Bruker, 1997)' _computing_molecular_graphics 'SHELXTL/PC (Sheldrick, 1997b)' _computing_publication_material SHELXTL/PC _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997a)' _computing_structure_solution 'SHELXS97 (Sheldrick, 1990)' _diffrn_ambient_temperature 153(2) _diffrn_measured_fraction_theta_full 0.994 _diffrn_measured_fraction_theta_max 0.994 _diffrn_measurement_device_type 'Bruker Smart 1000 CCD' _diffrn_measurement_method \w _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'standard-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.038 _diffrn_reflns_av_sigmaI/netI 0.0306 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_h_min -13 _diffrn_reflns_limit_k_max 13 _diffrn_reflns_limit_k_min -13 _diffrn_reflns_limit_l_max 7 _diffrn_reflns_limit_l_min -7 _diffrn_reflns_number 3631 _diffrn_reflns_theta_full 28.16 _diffrn_reflns_theta_max 28.16 _diffrn_reflns_theta_min 2.29 _diffrn_standards_decay_% <2 _exptl_absorpt_coefficient_mu 47.93 _exptl_absorpt_correction_T_max 0.672 _exptl_absorpt_correction_T_min 0.111 _exptl_absorpt_correction_type 'face-indexed numerical' _exptl_absorpt_process_details '(Sheldrick, 1997b)' _exptl_crystal_colour brown _exptl_crystal_density_diffrn 7.118 _exptl_crystal_density_method 'not measured' _exptl_crystal_description needle _exptl_crystal_F_000 994 _exptl_crystal_size_max 0.22 _exptl_crystal_size_mid 0.02 _exptl_crystal_size_min 0.01 _refine_diff_density_max 1.607 _refine_diff_density_min -1.279 _refine_ls_abs_structure_details 'Flack (1983)' _refine_ls_abs_structure_Flack 0.08(8) _refine_ls_extinction_coef 0.0019(2) _refine_ls_extinction_method SHELXL97 _refine_ls_goodness_of_fit_ref 1.037 _refine_ls_hydrogen_treatment none _refine_ls_matrix_type full _refine_ls_number_parameters 38 _refine_ls_number_reflns 882 _refine_ls_number_restraints 1 _refine_ls_restrained_S_all 1.037 _refine_ls_R_factor_all 0.025 _refine_ls_R_factor_gt 0.021 _refine_ls_shift/su_max <0.001 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w = 1/[\s^2^(Fo^2^)+(0.03Fo^2^)^2^]' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_ref 0.053 _reflns_number_gt 831 _reflns_number_total 882 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file br1239.cif _[local]_cod_data_source_block Dy3CuGeSe7 _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius The following automatic conversions were performed: '_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana ; _cod_database_code 2008759 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-y, x-y, z' '-x+y, -x, z' '-x, -y, z+1/2' 'y, -x+y, z+1/2' 'x-y, x, z+1/2' 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 Dy 0.22051(4) 0.35671(4) 0.42074(10) 0.00893(13) Uani d . 1 . . Dy Cu 0 0 0.4737(3) 0.0132(5) Uani d S 1 . . Cu Ge 0.6667 0.3333 0.3361(3) 0.0086(4) Uani d S 1 . . Ge Se1 0.26309(9) 0.10279(9) 0.45248(15) 0.0095(2) Uani d . 1 . . Se Se2 0.51895(10) 0.42570(10) 0.17352(15) 0.00860(19) Uani d . 1 . . Se Se3 0.3333 0.6667 0.2213(2) 0.0096(3) Uani d S 1 . . Se 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 Dy 0.00837(19) 0.0076(2) 0.0101(2) 0.00350(15) -0.0006(2) -0.0007(2) Cu 0.0093(5) 0.0093(5) 0.0211(15) 0.0047(3) 0.000 0.000 Ge 0.0094(5) 0.0094(5) 0.0072(7) 0.0047(3) 0.000 0.000 Se1 0.0089(4) 0.0086(4) 0.0112(5) 0.0046(3) 0.0000(3) 0.0003(3) Se2 0.0083(4) 0.0085(4) 0.0090(4) 0.0042(4) 0.0008(3) 0.0010(4) Se3 0.0102(5) 0.0102(5) 0.0082(8) 0.0051(2) 0.000 0.000 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 Dy Se1 . 2.8525(9) yes Dy Se1 2 2.8982(9) yes Dy Se2 4_665 2.9112(10) yes Dy Se1 6_554 2.9475(12) yes Dy Se2 6 2.9935(10) yes Dy Se3 . 3.0340(8) yes Dy Se2 . 3.1493(10) yes Dy Cu . 3.2116(5) ? Dy Se1 6 3.3163(12) yes Cu Se1 3 2.3574(8) ? Cu Se1 . 2.3574(8) yes Cu Se1 2 2.3574(8) ? Cu Cu 4 3.0161(4) ? Cu Cu 4_554 3.0161(4) yes Cu Dy 2 3.2116(5) ? Cu Dy 3 3.2116(5) ? Ge Se3 4_665 2.323(2) yes Ge Se2 2_655 2.3631(11) ? Ge Se2 3_665 2.3631(11) ? Ge Se2 . 2.3631(11) yes Se1 Dy 3 2.8982(9) ? Se1 Dy 5 2.9475(12) ? Se1 Dy 5_554 3.3163(12) ? Se2 Dy 4_664 2.9112(10) ? Se2 Dy 5_554 2.9935(10) ? Se3 Ge 4_664 2.323(2) ? Se3 Dy 3_565 3.0340(8) ? Se3 Dy 2_665 3.0340(8) ? loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source Cu Cu 0.3201 1.2651 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Ge Ge 0.1547 1.8001 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Se Se -0.0929 2.2259 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Dy Dy -0.1892 4.4098 '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_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle Se1 Dy Se1 . 2 90.30(3) Se1 Dy Se2 . 4_665 99.41(3) Se1 Dy Se2 2 4_665 142.17(3) Se1 Dy Se1 . 6_554 82.53(3) Se1 Dy Se1 2 6_554 81.76(3) Se2 Dy Se1 4_665 6_554 135.55(3) Se1 Dy Se2 . 6 141.32(3) Se1 Dy Se2 2 6 71.80(3) Se2 Dy Se2 4_665 6 78.19(4) Se1 Dy Se2 6_554 6 126.19(3) Se1 Dy Se3 . . 146.09(3) Se1 Dy Se3 2 . 117.28(2) Se2 Dy Se3 4_665 . 71.47(3) Se1 Dy Se3 6_554 . 82.47(3) Se2 Dy Se3 6 . 70.37(3) Se1 Dy Se2 . . 70.25(3) Se1 Dy Se2 2 . 146.32(3) Se2 Dy Se2 4_665 . 70.124(18) Se1 Dy Se2 6_554 . 68.96(3) Se2 Dy Se2 6 . 139.51(3) Se3 Dy Se2 . . 76.00(2) Se1 Dy Cu . . 45.273(17) Se1 Dy Cu 2 . 45.029(17) Se2 Dy Cu 4_665 . 132.37(4) Se1 Dy Cu 6_554 . 79.11(4) Se2 Dy Cu 6 . 109.13(3) Se3 Dy Cu . . 156.11(4) Se2 Dy Cu . . 110.75(3) Se1 Dy Se1 . 6 76.25(3) Se1 Dy Se1 2 6 75.66(3) Se2 Dy Se1 4_665 6 71.44(3) Se1 Dy Se1 6_554 6 148.68(3) Se2 Dy Se1 6 6 66.32(3) Se3 Dy Se1 . 6 127.23(3) Se2 Dy Se1 . 6 122.84(3) Cu Dy Se1 . 6 69.59(4) Se1 Cu Se1 3 . 119.709(9) Se1 Cu Se1 3 2 119.709(9) Se1 Cu Se1 . 2 119.709(9) Se1 Cu Cu 3 4 93.11(5) Se1 Cu Cu . 4 93.11(5) Se1 Cu Cu 2 4 93.11(5) Se1 Cu Cu 3 4_554 86.89(5) Se1 Cu Cu . 4_554 86.89(5) Se1 Cu Cu 2 4_554 86.89(5) Cu Cu Cu 4 4_554 180.0 Se1 Cu Dy 3 . 171.17(8) Se1 Cu Dy . . 59.28(2) Se1 Cu Dy 2 . 60.43(2) Cu Cu Dy 4 . 95.70(4) Cu Cu Dy 4_554 . 84.30(4) Se1 Cu Dy 3 2 60.43(2) Se1 Cu Dy . 2 171.17(8) Se1 Cu Dy 2 2 59.28(2) Cu Cu Dy 4 2 95.70(4) Cu Cu Dy 4_554 2 84.30(4) Dy Cu Dy . 2 119.025(12) Se1 Cu Dy 3 3 59.28(2) Se1 Cu Dy . 3 60.43(2) Se1 Cu Dy 2 3 171.17(8) Cu Cu Dy 4 3 95.70(4) Cu Cu Dy 4_554 3 84.30(4) Dy Cu Dy . 3 119.025(12) Dy Cu Dy 2 3 119.025(12) Se3 Ge Se2 4_665 2_655 114.52(4) Se3 Ge Se2 4_665 3_665 114.52(4) Se2 Ge Se2 2_655 3_665 103.98(5) Se3 Ge Se2 4_665 . 114.52(4) Se2 Ge Se2 2_655 . 103.98(5) Se2 Ge Se2 3_665 . 103.98(5) Cu Se1 Dy . . 75.45(2) Cu Se1 Dy . 3 74.54(2) Dy Se1 Dy . 3 148.53(3) Cu Se1 Dy . 5 103.49(5) Dy Se1 Dy . 5 98.50(3) Dy Se1 Dy 3 5 97.47(3) Cu Se1 Dy . 5_554 107.81(5) Dy Se1 Dy . 5_554 90.53(3) Dy Se1 Dy 3 5_554 89.74(3) Dy Se1 Dy 5 5_554 148.68(3) Ge Se2 Dy . 4_664 89.90(4) Ge Se2 Dy . 5_554 87.93(3) Dy Se2 Dy 4_664 5_554 109.56(4) Ge Se2 Dy . . 117.29(5) Dy Se2 Dy 4_664 . 146.72(3) Dy Se2 Dy 5_554 . 91.31(3) Ge Se3 Dy 4_664 3_565 113.37(3) Ge Se3 Dy 4_664 2_665 113.37(3) Dy Se3 Dy 3_565 2_665 105.31(3) Ge Se3 Dy 4_664 . 113.37(3) Dy Se3 Dy 3_565 . 105.31(3) Dy Se3 Dy 2_665 . 105.31(3)