#------------------------------------------------------------------------------ #$Date: 2013-08-29 18:37:19 +0300 (Thu, 29 Aug 2013) $ #$Revision: 88064 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/20/48/2204815.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_2204815 loop_ _publ_author_name 'Tursina, Anna I.' 'Nesterenko, Sergei N.' 'Murashova, Elena V.' 'Chernyshev, Ilia V.' 'No\"el, Henri' 'Seropegin, Yuri D.' _publ_section_title ; Ce~2~Ru~3~Al~15~, an intermetallic compound of a new structure type ; _journal_issue 12 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first i145 _journal_page_last i146 _journal_volume 60 _journal_year 2004 _chemical_formula_iupac 'Ce2 Ru3 Al15' _chemical_formula_structural 'Ce2 Ru3 Al15' _chemical_formula_sum 'Al15 Ce2 Ru3' _chemical_formula_weight 988.15 _chemical_name_systematic ; dicerium triruthenium pentadecaaluminium ; _space_group_IT_number 193 _symmetry_cell_setting hexagonal _symmetry_space_group_name_Hall '-P 6c 2' _symmetry_space_group_name_H-M 'P 63/m c m' _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 120.00 _cell_formula_units_Z 4 _cell_length_a 13.122(3) _cell_length_b 13.122(3) _cell_length_c 9.0964(18) _cell_measurement_reflns_used 24 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 15.69 _cell_measurement_theta_min 15.17 _cell_volume 1356.4(5) _computing_cell_refinement 'CAD-4 EXPRESS' _computing_data_collection 'CAD-4 EXPRESS (Enraf--Nonius, 1994)' _computing_data_reduction 'XCAD4 (Harms & Wocadlo, 1995)' _computing_molecular_graphics ; DIAMOND (Brandenburg, 1998) and ORTEP-3 (Farrugia, 1997) ; _computing_publication_material 'WinGX publication routines (Farrugia, 1999)' _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS97 (Sheldrick, 1997)' _diffrn_ambient_temperature 293(2) _diffrn_measured_fraction_theta_full 0.998 _diffrn_measured_fraction_theta_max 0.998 _diffrn_measurement_device_type 'Enraf--Nonius CAD-4' _diffrn_measurement_method \w _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 0.0978 _diffrn_reflns_av_sigmaI/netI 0.0654 _diffrn_reflns_limit_h_max 17 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 0 _diffrn_reflns_limit_k_min -17 _diffrn_reflns_limit_l_max 12 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 2233 _diffrn_reflns_theta_full 27.97 _diffrn_reflns_theta_max 27.97 _diffrn_reflns_theta_min 3.10 _diffrn_standards_decay_% 0.2 _diffrn_standards_interval_time 120 _diffrn_standards_number 1 _exptl_absorpt_coefficient_mu 10.780 _exptl_absorpt_correction_T_max 0.806 _exptl_absorpt_correction_T_min 0.750 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details '(SORTAV; Blessing, 1995)' _exptl_crystal_colour 'metallic light grey' _exptl_crystal_density_diffrn 4.839 _exptl_crystal_density_method 'not measured' _exptl_crystal_description prism _exptl_crystal_F_000 1772 _exptl_crystal_size_max 0.12 _exptl_crystal_size_mid 0.03 _exptl_crystal_size_min 0.02 _refine_diff_density_max 1.048 _refine_diff_density_min -1.567 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 0.740 _refine_ls_hydrogen_treatment none _refine_ls_matrix_type full _refine_ls_number_parameters 41 _refine_ls_number_reflns 624 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 0.740 _refine_ls_R_factor_all 0.0958 _refine_ls_R_factor_gt 0.0294 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w = 1/[\s^2^(Fo^2^)+(0.1P)^2^] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0820 _refine_ls_wR_factor_ref 0.1268 _reflns_number_gt 340 _reflns_number_total 624 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file wm6039.cif _[local]_cod_data_source_block I _cod_database_code 2204815 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z+1/2' '-y, -x, -z' 'y, x, -z+1/2' 'x-y, -y, -z+1/2' '-x+y, y, -z' 'x, x-y, -z' '-x, -x+y, -z+1/2' '-y, x-y, z' 'y, -x+y, z+1/2' 'x-y, x, z+1/2' '-x+y, -x, z' '-x, -y, -z' 'x, y, -z-1/2' 'y, x, z' '-y, -x, z-1/2' '-x+y, y, z-1/2' 'x-y, -y, z' '-x, -x+y, z' 'x, x-y, z-1/2' 'y, -x+y, -z' '-y, x-y, -z-1/2' '-x+y, -x, -z-1/2' 'x-y, x, -z' loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source Al Al 0.0645 0.0514 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Ce Ce -0.2486 2.6331 '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' 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_type_symbol Ce1 0.0000 0.60521(9) 0.2500 0.0062(3) Uani d S 1 Ce Ce2 0.0000 0.0000 0.2500 0.0077(5) Uani d S 1 Ce Ru3 0.20355(5) 0.79646(5) 0.0000 0.0048(3) Uani d S 1 Ru Al4 0.0000 0.7974(4) 0.0268(5) 0.0086(9) Uani d S 1 Al Al5 0.1822(4) 0.5911(2) 0.0000 0.0090(11) Uani d S 1 Al Al6 0.1667(4) 0.8799(4) 0.2500 0.0075(9) Uani d S 1 Al Al7 -0.2769(4) 0.4762(4) 0.2500 0.0075(10) Uani d S 1 Al Al8 0.0000 0.6172(3) -0.1024(5) 0.0074(9) Uani d S 1 Al 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 Ce1 0.0060(6) 0.0073(5) 0.0051(5) 0.0030(3) 0.000 0.000 Ce2 0.0062(7) 0.0062(7) 0.0109(11) 0.0031(3) 0.000 0.000 Ru3 0.0053(5) 0.0053(5) 0.0035(5) 0.0025(5) -0.0008(4) -0.0008(4) Al4 0.006(2) 0.0097(17) 0.009(2) 0.0031(11) 0.000 0.0015(19) Al5 0.007(3) 0.0072(17) 0.013(3) 0.0036(13) 0.000 -0.0017(19) Al6 0.009(2) 0.008(2) 0.003(2) 0.0031(19) 0.000 0.000 Al7 0.008(2) 0.007(2) 0.006(2) 0.0023(19) 0.000 0.000 Al8 0.009(2) 0.0085(16) 0.0049(19) 0.0045(11) 0.000 0.0022(15) 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 Ce1 Al6 . 3.145(5) y Ce1 Al6 19 3.145(5) ? Ce1 Al7 . 3.149(5) y Ce1 Al7 19 3.149(5) ? Ce1 Al8 14_556 3.210(5) y Ce1 Al8 . 3.210(5) ? Ce1 Al8 13_565 3.213(5) y Ce1 Al8 2_565 3.213(5) ? Ce1 Al4 14_556 3.238(5) y Ce1 Al4 . 3.238(5) ? Ce1 Al5 13_565 3.371(3) y Ce1 Al5 2_565 3.371(3) ? Ce2 Al6 5_665 3.273(5) y Ce2 Al6 9_665 3.273(5) ? Ce2 Al6 23_456 3.273(5) ? Ce2 Al6 19_545 3.273(5) ? Ce2 Al6 15_455 3.273(5) ? Ce2 Al6 1_545 3.273(5) ? Ce2 Al4 5_665 3.346(5) y Ce2 Al4 15_455 3.346(5) ? Ce2 Al4 1_545 3.346(5) ? Ce2 Al4 18_665 3.346(5) ? Ce2 Al4 4_455 3.346(5) ? Ce2 Al4 14_546 3.346(5) ? Ru3 Al5 3_665 2.566(4) y Ru3 Al5 . 2.566(4) ? Ru3 Al7 11_664 2.640(2) y Ru3 Al7 19 2.640(2) ? Ru3 Al6 . 2.671(3) y Ru3 Al6 3_665 2.671(3) ? Ru3 Al4 . 2.688(3) y Ru3 Al4 3_665 2.688(3) ? Ru3 Al8 . 2.693(2) y Ru3 Al8 3_665 2.693(2) ? Ru3 Ce1 3_665 3.4497(7) y Al4 Al8 . 2.639(7) y Al4 Ru3 19 2.688(3) ? Al4 Al4 3_665 2.703(5) y Al4 Al4 6_455 2.703(5) ? Al4 Al6 . 2.777(5) y Al4 Al6 19 2.777(5) ? Al4 Al6 21_455 2.881(5) y Al4 Al6 3_665 2.881(5) ? Al4 Ce2 1_565 3.346(5) ? Al5 Ru3 7_565 2.566(4) ? Al5 Al7 5_665 2.724(3) y Al5 Al7 11_664 2.724(3) ? Al5 Al8 13_565 2.742(5) y Al5 Al8 . 2.742(5) ? Al5 Al7 13_565 2.931(4) y Al5 Al7 19 2.931(4) ? Al5 Al5 6 2.975(9) y Al5 Al5 3_665 2.975(9) ? Al5 Ce1 13_565 3.371(3) ? Al6 Ru3 14_556 2.671(3) ? Al6 Al7 19 2.696(7) y Al6 Al6 5_675 2.730(10) y Al6 Al4 14_556 2.777(5) ? Al6 Al8 16_666 2.803(6) y Al6 Al8 3_665 2.803(6) ? Al6 Al4 16_666 2.881(5) ? Al6 Al4 3_665 2.881(5) ? Al6 Ce2 1_565 3.273(5) ? Al7 Ru3 8 2.640(2) ? Al7 Ru3 19 2.640(2) ? Al7 Al6 19 2.696(7) ? Al7 Al5 18_565 2.724(3) ? Al7 Al5 5_565 2.724(3) ? Al7 Al7 9_565 2.832(8) y Al7 Al7 23_456 2.832(8) ? Al7 Al5 2_565 2.931(4) ? Al7 Al5 13_565 2.931(4) ? Al8 Al8 14 2.685(9) y Al8 Ru3 19 2.693(2) ? Al8 Al5 13_565 2.742(5) ? Al8 Al6 21_455 2.803(6) ? Al8 Al6 3_665 2.803(6) ? Al8 Ce1 13_565 3.213(5) ? 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 Al6 Ce1 Al6 . 19 74.05(19) Al6 Ce1 Al7 . . 124.78(13) Al6 Ce1 Al7 19 . 50.73(13) Al6 Ce1 Al7 . 19 50.73(13) Ce1 Al8 Ce1 . 13_565 111.88(13) _cod_database_fobs_code 2204815