#------------------------------------------------------------------------------ #$Date: 2012-03-04 16:54:16 +0200 (Sun, 04 Mar 2012) $ #$Revision: 38085 $ #$URL: file:///home/coder/svn-repositories/cod/cif/4/06/81/4068117.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_4068117 loop_ _publ_author_name 'Benjamin, Sophie L.' 'Levason, William' 'Reid, Gillian' 'Warr, Robert P.' _publ_section_title ; Halostibines SbMeX2and SbMe2X: Lewis Acids or Lewis Bases? ; _journal_issue 3 _journal_name_full Organometallics _journal_page_first 1025 _journal_volume 31 _journal_year 2012 _chemical_formula_moiety 'C7 H6 Br Cr O5 Sb' _chemical_formula_structural '(C2 H6 Br Sb) (C O)5 Cr' _chemical_formula_sum 'C7 H6 Br Cr O5 Sb' _chemical_formula_weight 423.78 _chemical_name_systematic ; pentacarbonyl(bromo(dimethyl)stibine)chromium(0) ; _space_group_IT_number 14 _space_group_name_Hall '-P 2ybc' _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_date 2011-04-28 _audit_creation_method 'SHELXL-97 + hand edit' _audit_update_record '2011-09-30 Added Sb1...O2 contact' _cell_angle_alpha 90.00 _cell_angle_beta 107.735(5) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 16.261(5) _cell_length_b 6.488(5) _cell_length_c 12.287(5) _cell_measurement_reflns_used 50128 _cell_measurement_temperature 120(2) _cell_measurement_theta_max 27.48 _cell_measurement_theta_min 2.91 _cell_volume 1234.7(11) _computing_cell_refinement 'DENZO (Otwinowski & Minor, 1997)' _computing_data_collection 'COLLECT (Hooft, R.W.W., 1998)' _computing_data_reduction 'DENZO (Otwinowski & Minor, 1997)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1997)' _diffrn_ambient_temperature 120(2) _diffrn_measured_fraction_theta_full 0.985 _diffrn_measured_fraction_theta_max 0.985 _diffrn_measurement_device_type 'Bruker-Nonius APEX II CCD camera on \k-goniostat' _diffrn_measurement_method '\f & \w scans' _diffrn_radiation_monochromator '10cm confocal mirrors' _diffrn_radiation_source 'Bruker-Nonius FR591 rotating anode' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0601 _diffrn_reflns_av_sigmaI/netI 0.0402 _diffrn_reflns_limit_h_max 20 _diffrn_reflns_limit_h_min -20 _diffrn_reflns_limit_k_max 8 _diffrn_reflns_limit_k_min -8 _diffrn_reflns_limit_l_max 15 _diffrn_reflns_limit_l_min -15 _diffrn_reflns_number 14744 _diffrn_reflns_theta_full 26.00 _diffrn_reflns_theta_max 26.00 _diffrn_reflns_theta_min 3.40 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 6.300 _exptl_absorpt_correction_T_max 0.7456 _exptl_absorpt_correction_T_min 0.3948 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details 'G.M. Sheldrick, (2007). SADABS. Version 2007/2. Bruker AXS Inc.' _exptl_crystal_colour yellow _exptl_crystal_density_diffrn 2.280 _exptl_crystal_density_method 'not measured' _exptl_crystal_description plate _exptl_crystal_F_000 792 _exptl_crystal_size_max 0.40 _exptl_crystal_size_mid 0.30 _exptl_crystal_size_min 0.03 _refine_diff_density_max 4.208 _refine_diff_density_min -1.920 _refine_diff_density_rms 0.354 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.268 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 136 _refine_ls_number_reflns 2377 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.268 _refine_ls_R_factor_all 0.0661 _refine_ls_R_factor_gt 0.0650 _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^)+(0.0897P)^2^+13.0506P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1804 _refine_ls_wR_factor_ref 0.1815 _reflns_number_gt 2289 _reflns_number_total 2377 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file om2010996_si_002.cif _[local]_cod_data_source_block 11slb121 _[local]_cod_cif_authors_sg_H-M 'P 21/c' _cod_database_code 4068117 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y-1/2, z-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 Cr1 Cr 0.33942(8) -0.00312(19) 0.31635(10) 0.0171(3) Uani 1 1 d . Sb1 Sb 0.18932(3) 0.10384(9) 0.32571(4) 0.0229(3) Uani 1 1 d . Br1 Br 0.07917(7) 0.0168(3) 0.13709(9) 0.0620(5) Uani 1 1 d . O1 O 0.2712(5) -0.4057(10) 0.2011(6) 0.0335(16) Uani 1 1 d . O2 O 0.2964(4) 0.1918(10) 0.0805(5) 0.0306(14) Uani 1 1 d . O3 O 0.4193(5) 0.4029(10) 0.4247(6) 0.0342(16) Uani 1 1 d . O4 O 0.3789(5) -0.2159(11) 0.5475(5) 0.0347(15) Uani 1 1 d . O5 O 0.5140(4) -0.1340(11) 0.3018(6) 0.0349(15) Uani 1 1 d . C1 C 0.1226(7) -0.0379(16) 0.4302(8) 0.034(2) Uani 1 1 d . H1A H 0.1343 -0.1863 0.4348 0.050 Uiso 1 1 calc R H1B H 0.0604 -0.0146 0.3970 0.050 Uiso 1 1 calc R H1C H 0.1423 0.0220 0.5071 0.050 Uiso 1 1 calc R C2 C 0.1487(8) 0.4165(17) 0.3349(12) 0.047(3) Uani 1 1 d . H2A H 0.1747 0.5053 0.2898 0.070 Uiso 1 1 calc R H2B H 0.1673 0.4623 0.4147 0.070 Uiso 1 1 calc R H2C H 0.0857 0.4246 0.3045 0.070 Uiso 1 1 calc R C3 C 0.2940(6) -0.2527(14) 0.2449(7) 0.0241(17) Uani 1 1 d . C4 C 0.3126(6) 0.1213(13) 0.1698(7) 0.0233(18) Uani 1 1 d . C5 C 0.3881(5) 0.2503(13) 0.3851(6) 0.0217(16) Uani 1 1 d . C6 C 0.3636(6) -0.1348(14) 0.4613(7) 0.0237(17) Uani 1 1 d . C7 C 0.4471(6) -0.0824(13) 0.3065(7) 0.0218(17) Uani 1 1 d . 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 Cr1 0.0172(6) 0.0220(7) 0.0114(6) -0.0016(5) 0.0032(5) -0.0006(5) Sb1 0.0187(4) 0.0323(4) 0.0169(4) 0.0009(2) 0.0042(2) 0.0014(2) Br1 0.0236(6) 0.1338(14) 0.0225(5) -0.0126(6) -0.0018(4) -0.0053(6) O1 0.040(4) 0.030(4) 0.030(4) -0.007(3) 0.009(3) -0.010(3) O2 0.040(4) 0.033(3) 0.018(3) 0.005(3) 0.008(3) 0.003(3) O3 0.032(4) 0.033(4) 0.032(4) -0.011(3) 0.003(3) -0.007(3) O4 0.047(4) 0.038(4) 0.021(3) 0.007(3) 0.012(3) 0.010(3) O5 0.025(3) 0.042(4) 0.039(4) -0.009(3) 0.013(3) 0.004(3) C1 0.038(5) 0.039(5) 0.029(5) 0.001(4) 0.016(4) -0.004(4) C2 0.043(6) 0.044(6) 0.066(8) 0.028(5) 0.034(6) 0.025(5) C3 0.029(4) 0.028(4) 0.015(4) 0.000(3) 0.006(3) -0.002(3) C4 0.027(5) 0.022(4) 0.021(4) -0.005(3) 0.008(4) -0.005(3) C5 0.021(4) 0.027(4) 0.016(4) -0.001(3) 0.003(3) 0.005(3) C6 0.026(4) 0.027(4) 0.018(4) -0.003(3) 0.006(3) -0.004(3) C7 0.028(4) 0.023(4) 0.013(4) -0.003(3) 0.004(3) 0.004(3) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Cr Cr 0.3209 0.6236 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Br Br -0.2901 2.4595 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Sb Sb -0.5866 1.5461 '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 C7 Cr1 C3 88.6(4) C7 Cr1 C4 90.3(4) C3 Cr1 C4 88.8(4) C7 Cr1 C6 90.4(4) C3 Cr1 C6 89.4(4) C4 Cr1 C6 178.1(4) C7 Cr1 C5 89.7(4) C3 Cr1 C5 177.9(4) C4 Cr1 C5 89.9(3) C6 Cr1 C5 91.9(4) C7 Cr1 Sb1 178.8(3) C3 Cr1 Sb1 90.6(3) C4 Cr1 Sb1 88.9(3) C6 Cr1 Sb1 90.4(3) C5 Cr1 Sb1 91.1(2) C1 Sb1 C2 98.9(4) C1 Sb1 Br1 96.2(3) C2 Sb1 Br1 96.7(4) C1 Sb1 Cr1 125.2(3) C2 Sb1 Cr1 124.6(3) Br1 Sb1 Cr1 108.42(5) Sb1 C1 H1A 109.5 Sb1 C1 H1B 109.5 H1A C1 H1B 109.5 Sb1 C1 H1C 109.5 H1A C1 H1C 109.5 H1B C1 H1C 109.5 Sb1 C2 H2A 109.5 Sb1 C2 H2B 109.5 H2A C2 H2B 109.5 Sb1 C2 H2C 109.5 H2A C2 H2C 109.5 H2B C2 H2C 109.5 O1 C3 Cr1 176.0(8) O2 C4 Cr1 178.4(7) O3 C5 Cr1 177.8(8) O4 C6 Cr1 178.8(8) O5 C7 Cr1 178.9(8) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance Cr1 C7 1.864(9) Cr1 C3 1.882(9) Cr1 C4 1.899(9) Cr1 C6 1.905(9) Cr1 C5 1.907(9) Cr1 Sb1 2.5736(15) Sb1 C1 2.126(9) Sb1 C2 2.147(11) Sb1 Br1 2.5239(13) O1 C3 1.136(11) O2 C4 1.143(11) O3 C5 1.151(11) O4 C6 1.140(11) O5 C7 1.156(11) C1 H1A 0.9800 C1 H1B 0.9800 C1 H1C 0.9800 C2 H2A 0.9800 C2 H2B 0.9800 C2 H2C 0.9800 loop_ _geom_contact_atom_site_label_1 _geom_contact_atom_site_label_2 _geom_contact_distance _geom_contact_site_symmetry_2 Sb1 O2 3.357(6) 4_566 loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion Br1 Sb1 Cr1 C3 -43.2(3) Br1 Sb1 Cr1 C4 45.6(3)