Acta Crystallographica Section B
Acta Crystallographica
Section B
STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS
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STRUCTURAL SCIENCE,
CRYSTAL ENGINEERING
AND MATERIALS
Volume 65
|
Part 5
|
October 2009
|
Pages 519–526
https://doi.org/10.1107/S0108768109026986
Open
access
ISSN: 2052-5206
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STRUCTURAL SCIENCE,
CRYSTAL ENGINEERING
AND MATERIALS
Volume 65
|
Part 5
|
October 2009
|
Pages 519–526
https://doi.org/10.1107/S0108768109026986
Open
access
ISSN: 2052-5206
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data_global #======================================================================= _audit_creation_method 'Jana2000 Version : 08/11/2007' # 1. PROCESSING SUMMARY (IUCr Office Use Only) _journal_date_recd_electronic 2008-11-14 _journal_date_to_coeditor ? _journal_date_from_coeditor 2009-07-09 _journal_date_accepted 2009-07-09 _journal_date_printers_first 2009-07-27 _journal_date_printers_final ? _journal_date_proofs_out 2009-08-07 _journal_date_proofs_in 2009-08-11 _journal_coeditor_name ? _journal_coeditor_code CK5035 _journal_coeditor_notes ; ? ; _journal_techeditor_code B092698 _iucr_compatibility_tag ACTA95 _journal_paper_category FA _journal_techeditor_notes ; ? ; _journal_coden_ASTM ASBSDK _journal_name_full 'Acta Crystallographica, Section B' _journal_year 2009 _journal_volume 65 _journal_issue 05 _journal_page_first 0 _journal_page_last 0 _journal_suppl_publ_number ? _journal_suppl_publ_pages ? #======================================================================= # 2. SUBMISSION DETAILS _publ_contact_author_name 'PD Dr. Thomas Doert' _publ_contact_author_address ; Doert, Thomas Fachrichtung Chemie und Lebensmittelchemie Technische Universit\"at Dresden Helmholtzstr. 10 D-01069 Dresden Germany ; _publ_contact_author_email 'Thomas.Doert@chemie.tu-dresden.de' _publ_contact_author_fax '49(351)463-37287' _publ_contact_author_phone '49(351)463-33864' _publ_requested_journal 'Acta Crystallographica Section B' _publ_requested_category 'Research Paper' _publ_contact_letter ; Please consider this CIF submission for publication in Acta Crystallographica Section B. All authors have seen and approved this submission. ; #======================================================================= # 3. TITLE AND AUTHOR LIST loop_ _publ_author_name _publ_author_address 'Dieter Rutzinger' ; Fachrichtung Chemie und Lebensmittelchemie Technische Universit\"at Dresden D-01062 Dresden Germany ; 'Thomas Doert' ; Fachrichtung Chemie und Lebensmittelchemie Technische Universit\"at Dresden D-01062 Dresden Germany ; 'Michael Ruck' ; Fachrichtung Chemie und Lebensmittelchemie Technische Universit\"at Dresden D-01062 Dresden Germany ; _publ_author_footnote ; ? ; #======================================================================= # 4. TEXT #======================================================================= data_I #======================================================================= # 5. CHEMICAL DATA _chemical_name_systematic ; ? ; _chemical_name_common 'Cerium gold diarsenide' _chemical_formula_moiety 'As2 Au1 Ce1' _chemical_formula_structural 'As2 Au1 Ce1' _chemical_formula_analytical 'As2 Au1 Ce1' _chemical_formula_iupac 'As2 Au1 Ce1' _chemical_formula_sum 'As2 Au1 Ce1' _chemical_formula_weight 486.93 _chemical_melting_point ? _chemical_compound_source ? _chemical_absolute_configuration . #======================================================================= # 6. CRYSTAL DATA _symmetry_cell_setting monoclinic _space_group_ssg_name 'P21/m(\a0\g)00' loop_ _space_group_symop_ssg_id _space_group_symop_ssg_operation_algebraic 1 x1,x2,x3,x4 2 -x1,1/2+x2,-x3,-x4 3 -x1,-x2,-x3,-x4 4 x1,1/2-x2,x3,x4 _cell_length_a 5.8040(1) _cell_length_b 5.8140(1) _cell_length_c 10.1790(1) _cell_angle_alpha 90 _cell_angle_beta 90.09(8) _cell_angle_gamma 90 _cell_volume 343.48(9) _cell_modulation_dimension 1 loop_ _cell_wave_vector_seq_id _cell_wave_vector_x _cell_wave_vector_y _cell_wave_vector_z 1 0.08000 0.00000 -0.38890 _cell_formula_units_Z 4 _cell_measurement_reflns_used ? _cell_measurement_theta_min ? _cell_measurement_theta_max ? _cell_measurement_temperature ? _cell_special_details ; ? ; _exptl_crystal_density_diffrn 9.41 _exptl_crystal_density_meas ? _exptl_crystal_density_method ? _exptl_crystal_F_000 808 _exptl_absorpt_coefficient_mu 74.55 _exptl_crystal_size_max 0.139 _exptl_crystal_size_mid 0.137 _exptl_crystal_size_min 0.004 _exptl_crystal_colour black _exptl_absorpt_correction_type numerical _exptl_absorpt_process_details '(Jana2000; Petricek, Dusek & Palatinus, 2000)' _exptl_absorpt_correction_T_min 0.015 _exptl_absorpt_correction_T_max 0.306 #======================================================================= # 7. EXPERIMENTAL DATA _exptl_special_details ? _diffrn_measurement_device '2-circle goniometer' _diffrn_measurement_device_type 'STOE IPDS 2' _diffrn_detector 'image plate (34 cm diameter)' _diffrn_detector_type 'STOE' _diffrn_detector_area_resol_mean 6.67 _diffrn_source ; sealed X-ray tube, 12 x 0.4 mm long-fine focus ; _diffrn_source_voltage 50 _diffrn_source_current 40 _diffrn_source_power 2.00 _diffrn_radiation_type 'Mo K\a' _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_monochromator 'plane graphite' _diffrn_radiation_polarisn_norm 0 _diffrn_radiation_collimation '0.5 mm diameter, multiple pinhole' _diffrn_ambient_temperature 293 _diffrn_measurement_method '\w scans' _diffrn_measurement_details ; 270 frames, detector distance = 70 mm ; _diffrn_reflns_number 20909 _diffrn_reflns_theta_min 2.79 _diffrn_reflns_theta_max 33.48 _diffrn_reflns_theta_full 33.48 _diffrn_measured_fraction_theta_max ? _diffrn_measured_fraction_theta_full 1.00 _diffrn_reflns_av_R_equivalents 0.0681 _diffrn_reflns_av_sigmaI/netI 0.0190 _diffrn_reflns_limit_h_min -9 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_k_min -8 _diffrn_reflns_limit_k_max 8 _diffrn_reflns_limit_l_min -16 _diffrn_reflns_limit_l_max 14 _diffrn_reflns_limit_index_m_1_min -1 _diffrn_reflns_limit_index_m_1_max 1 _diffrn_reflns_reduction_process ; XShape (Stoe, 1999), XRed32 (Stoe, 2001) ; _diffrn_standards_number ? _diffrn_standards_interval_count ? _diffrn_standards_interval_time ? _diffrn_standards_decay_% ? #======================================================================= # 8. REFINEMENT DATA _refine_special_details ; ? ; _reflns_number_total 4210 _reflns_number_gt 1422 _reflns_threshold_expression 'I>3\s(I)' _refine_ls_structure_factor_coef F _refine_ls_R_factor_gt 0.0342 _refine_ls_wR_factor_gt 0.0364 _refine_ls_R_factor_all 0.0984 _refine_ls_wR_factor_ref 0.0395 _refine_ls_goodness_of_fit_ref 1.25 _refine_ls_goodness_of_fit_gt 2.05 _refine_ls_restrained_S_gt ? _refine_ls_restrained_S_all ? _refine_ls_number_reflns 4210 _refine_ls_number_parameters 134 _refine_ls_number_restraints ? _refine_ls_number_constraints ? _refine_ls_weighting_scheme sigma _refine_ls_weighting_details 'w=1/(\s^2^(F)+0.0001F^2^)' _refine_ls_hydrogen_treatment ? _refine_ls_shift/su_max 0.0414 _refine_ls_shift/su_mean 0.0116 _refine_diff_density_max 2.49 _refine_diff_density_min -2.29 _refine_ls_extinction_method 'B-C type 1 Gaussian isotropic (Becker & Coppens, 1974)' _refine_ls_extinction_coef 0.53(2) loop_ _atom_type_symbol _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source Ce -0.249 2.633 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.1' Au -2.013 8.802 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.1' As 0.050 2.006 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.1' _computing_data_collection 'X-AREA, STOE, 2006' _computing_cell_refinement 'X-AREA, STOE, 2006' _computing_data_reduction 'X-AREA, STOE, 2002' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1997)' _computing_structure_refinement 'Jana2000 (Petricek, Dusek & Palatinus, 2000)' _computing_molecular_graphics ; DIAMOND-Visuelles Informationssystem f\"ur Kristallstrukturen (G. Bergerhoff, Bonn, 1999) ; _computing_publication_material 'Jana2000 (Petricek, Dusek & Palatinus, 2000)' #======================================================================= # 9. ATOMIC COORDINATES AND DISPLACEMENT PARAMETERS loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_adp_type _atom_site_U_iso_or_equiv _atom_site_symmetry_multiplicity _atom_site_occupancy _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group Ce1 Ce 0.0005(4) 0.25 0.23003(4) Uani 0.01262(12) 2 1 d . . . Ce2 Ce 0.5001(4) 0.75 0.24019(4) Uani 0.01220(13) 2 1 d . . . Au1 Au 0.24822(4) -0.0005(2) 0.49929(10) Uani 0.01869(7) 4 0.9858(17) d . . . As1 As 0.9978(6) 0.25 0.68044(9) Uani 0.0142(2) 2 1 d . . . As2 As 0.4991(6) 0.75 0.67811(8) Uani 0.0141(2) 2 1 d . . . As3 As 0.27901(14) -0.0038(6) 0.0001(3) Uani 0.02084(18) 4 1 d . . . loop_ _atom_site_aniso_label _atom_site_aniso_type_symbol _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 Ce 0.0136(2) 0.0104(2) 0.0139(2) 0 0.0004(8) 0 Ce2 Ce 0.0142(2) 0.0101(2) 0.0122(2) 0 -0.0019(9) 0 Au1 Au 0.02132(13) 0.01698(10) 0.01778(11) -0.0024(3) -0.0011(7) -0.00082(10) As1 As 0.0140(4) 0.0106(3) 0.0179(4) 0 -0.0090(12) 0 As2 As 0.0142(4) 0.0111(3) 0.0169(4) 0 -0.0079(12) 0 As3 As 0.0148(3) 0.0352(4) 0.0124(2) 0.0049(9) -0.0025(11) -0.0019(3) loop_ _atom_site_Fourier_wave_vector_seq_id _atom_site_Fourier_wave_vector_x _atom_site_Fourier_wave_vector_y _atom_site_Fourier_wave_vector_z 1 0.08000 0.00000 -0.38890 loop_ _atom_site_occ_Fourier_atom_site_label _atom_site_occ_Fourier_wave_vector_seq_id _atom_site_occ_Fourier_param_cos _atom_site_occ_Fourier_param_sin Au1 0.9857(17) -0.057(4) -0.008(7) loop_ _atom_site_displace_Fourier_atom_site_label _atom_site_displace_Fourier_axis _atom_site_displace_Fourier_wave_vector_seq_id _atom_site_displace_Fourier_param_cos _atom_site_displace_Fourier_param_sin Ce1 x 1 0.0039(3) 0.0044(3) Ce1 y 1 0 0 Ce1 z 1 0.0005(2) -0.0012(2) Ce2 x 1 0.0043(3) 0.0067(3) Ce2 y 1 0 0 Ce2 z 1 -0.0011(2) 0.0000(2) Au1 x 1 0.0001(3) 0.00738(11) Au1 y 1 0.00014(6) -0.00106(15) Au1 z 1 0.00042(13) 0.00017(10) As1 x 1 -0.0030(4) 0.0062(4) As1 y 1 0 0 As1 z 1 0.0011(4) -0.0022(4) As2 x 1 -0.0028(4) 0.0056(4) As2 y 1 0 0 As2 z 1 0.0006(4) -0.0015(4) As3 x 1 -0.0037(7) 0.0052(3) As3 y 1 -0.01407(19) -0.0005(5) As3 z 1 0.0010(3) 0.0006(2) loop_ _atom_site_U_Fourier_atom_site_label _atom_site_U_Fourier_tens_elem _atom_site_U_Fourier_wave_vector_seq_id _atom_site_U_Fourier_param_cos _atom_site_U_Fourier_param_sin Ce1 U11 1 -0.0024(11) -0.0022(10) Ce1 U22 1 0.0001(6) 0.0017(6) Ce1 U33 1 0.0013(8) 0.0006(8) Ce1 U12 1 0 0 Ce1 U13 1 -0.0005(5) -0.0021(5) Ce1 U23 1 0 0 Ce2 U11 1 0.0022(12) -0.0079(9) Ce2 U22 1 0.0049(6) 0.0057(6) Ce2 U33 1 0.0014(8) -0.0003(8) Ce2 U12 1 0 0 Ce2 U13 1 0.0003(5) 0.0015(5) Ce2 U23 1 0 0 Au1 U11 1 0.0012(7) -0.0001(6) Au1 U22 1 -0.0031(4) -0.0013(6) Au1 U33 1 -0.0027(4) -0.0011(5) Au1 U12 1 -0.0006(3) 0.0000(4) Au1 U13 1 -0.00023(18) -0.0004(6) Au1 U23 1 -0.0004(3) -0.00013(15) As1 U11 1 0.0030(17) 0.0011(16) As1 U22 1 -0.0036(10) 0.0027(10) As1 U33 1 0.0007(16) -0.0069(16) As1 U12 1 0 0 As1 U13 1 0.0009(10) 0.0001(10) As1 U23 1 0 0 As2 U11 1 0.0020(17) 0.0034(16) As2 U22 1 0.0001(11) 0.0001(10) As2 U33 1 0.0003(16) -0.0042(16) As2 U12 1 0 0 As2 U13 1 -0.0013(10) -0.0006(10) As2 U23 1 0 0 As3 U11 1 -0.0090(16) -0.0030(7) As3 U22 1 -0.0067(15) 0.0051(11) As3 U33 1 -0.0032(9) 0.0039(9) As3 U12 1 -0.0009(6) -0.0060(11) As3 U13 1 0.0003(7) 0.0024(14) As3 U23 1 -0.0068(10) -0.0017(5) #======================================================================= # 10. MOLECULAR GEOMETRY loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_1 _geom_bond_site_symmetry_2 _geom_bond_distance_av _geom_bond_distance_min _geom_bond_distance_max _geom_bond_publ_flag Ce1 Au1 . . 3.419(3) 3.389(3) 3.449(3) yes Ce1 Au1 . 3_556 3.434(3) 3.418(3) 3.450(3) yes Ce1 Au1 . 2_556 3.434(3) 3.418(3) 3.450(3) yes Ce1 Au1 . 4_555 3.419(3) 3.389(3) 3.449(3) yes Ce1 As1 . 3_656 3.0465(14) 3.0416(14) 3.0515(14) yes Ce1 As1 . 3_666 3.0465(14) 3.0416(14) 3.0515(14) yes Ce1 As2 . 3_566 3.048(5) 3.024(5) 3.071(5) yes Ce1 As2 . 3_666 3.050(5) 3.040(5) 3.060(5) yes Ce1 As3 . . 3.207(4) 3.177(5) 3.237(5) yes Ce1 As3 . 3_555 3.187(4) 3.159(5) 3.217(5) yes Ce1 As3 . 2_555 3.187(4) 3.159(5) 3.217(5) yes Ce1 As3 . 4_555 3.207(4) 3.177(5) 3.237(5) yes Ce2 Au1 . 1_565 3.348(3) 3.312(3) 3.385(3) yes Ce2 Au1 . 3_666 3.358(3) 3.344(3) 3.373(3) yes Ce2 Au1 . 2_656 3.358(3) 3.344(3) 3.373(3) yes Ce2 Au1 . 4_555 3.348(3) 3.312(3) 3.385(3) yes Ce2 As1 . 3_666 3.002(5) 2.974(5) 3.029(5) yes Ce2 As1 . 3_766 3.023(5) 3.012(5) 3.034(5) yes Ce2 As2 . 3_666 3.0237(13) 3.0186(12) 3.0287(13) yes Ce2 As2 . 3_676 3.0237(13) 3.0186(12) 3.0287(13) yes Ce2 As3 . 1_565 3.107(4) 3.065(5) 3.151(5) yes Ce2 As3 . 3_665 3.134(4) 3.080(5) 3.188(5) yes Ce2 As3 . 2_655 3.134(4) 3.080(5) 3.188(5) yes Ce2 As3 . 4_555 3.107(4) 3.065(5) 3.151(5) yes Au1 Au1 . 3_556 2.8815(18) 2.870(3) 2.893(3) yes Au1 Au1 . 3_656 2.9227(18) 2.913(3) 2.932(3) yes Au1 Au1 . 4_545 2.901(2) 2.889(2) 2.914(2) yes Au1 Au1 . 4_555 2.913(2) 2.900(2) 2.925(2) yes Au1 As1 . 1_455 2.765(4) 2.735(4) 2.795(4) yes Au1 As1 . 3_656 2.735(4) 2.718(4) 2.753(4) yes Au1 As2 . 1_545 2.744(4) 2.720(4) 2.767(4) yes Au1 As2 . 3_666 2.747(4) 2.719(4) 2.773(4) yes As3 As3 . 3_555 3.241(5) 3.211(6) 3.275(6) yes As3 As3 . 3_655 2.569(5) 2.519(6) 2.623(6) yes As3 As3 . 4_545 2.861(6) 2.699(5) 3.026(5) yes As3 As3 . 4_555 2.953(6) 2.788(5) 3.115(5) yes #=======================================================================