#------------------------------------------------------------------------------ #$Date: 2016-02-19 14:29:56 +0000 (Fri, 19 Feb 2016) $ #$Revision: 176759 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/49/2004964.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_2004964 loop_ _publ_author_name 'Howie, R. A.' 'Wardell, J. L.' _publ_section_title ; Diphenyltin Diiodide ; _journal_issue 6 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1424 _journal_page_last 1426 _journal_paper_doi 10.1107/S0108270195016945 _journal_volume 52 _journal_year 1996 _chemical_formula_sum 'C12 H10 I2 Sn' _chemical_formula_weight 526.71 _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _atom_type_scat_source IntTabIV _cell_angle_alpha 90 _cell_angle_beta 94.68(6) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 9.548(7) _cell_length_b 11.924(11) _cell_length_c 12.714(10) _cell_measurement_reflns_used 14 _cell_measurement_temperature 298 _cell_measurement_theta_max 11.4 _cell_measurement_theta_min 10.7 _cell_volume 1443(2) _computing_cell_refinement 'Nicolet P3 Software' _computing_data_collection 'Nicolet P3 Software (Nicolet XRD Corporation, 1980)' _computing_data_reduction 'RDNIC (Howie, 1980)' _computing_molecular_graphics 'PLOTAID (Cradwick, 1970) and ORTEX (McArdle, 1994)' _computing_publication_material 'XPUB (Low, 1980)' _computing_structure_refinement 'SHELX76 (Sheldrick, 1976)' _computing_structure_solution 'SHELXS86 (Sheldrick, 1990)' _diffrn_measurement_device 'Nicolet P3' _diffrn_measurement_method \q/2\q _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.025 _diffrn_reflns_limit_h_max 13 _diffrn_reflns_limit_h_min -13 _diffrn_reflns_limit_k_max 16 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 17 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 4665 _diffrn_reflns_theta_max 30 _diffrn_standards_decay_% 2 _diffrn_standards_interval_count 50 _diffrn_standards_number 2 _exptl_absorpt_coefficient_mu 5.98 _exptl_absorpt_correction_T_max 0.112 _exptl_absorpt_correction_T_min 0.049 _exptl_absorpt_correction_type 'empirical via \y scans (North, Phillips & Mathews, 1968)' _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 2.424 _exptl_crystal_density_method none _exptl_crystal_description block _exptl_crystal_size_max 0.6 _exptl_crystal_size_mid 0.5 _exptl_crystal_size_min 0.4 _refine_diff_density_max 0.72 _refine_diff_density_min '-1.41 e \%A^-3^ (0.20\%A from I1)' _refine_ls_extinction_method none _refine_ls_goodness_of_fit_obs 0.75 _refine_ls_hydrogen_treatment 'H atoms see text' _refine_ls_number_parameters 137 _refine_ls_number_reflns 2779 _refine_ls_R_factor_obs 0.048 _refine_ls_shift/esd_max 0.050 _refine_ls_structure_factor_coef F _refine_ls_weighting_details 'w = 1/[\s^2^(F) + 0.012134F^2^]' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_obs 0.066 _reflns_number_observed 2779 _reflns_number_total 3758 _reflns_observed_criterion F>4\s(F) _cod_data_source_file cf1048.cif _cod_data_source_block cf1048a _cod_depositor_comments ; The following automatic conversions were performed: '_refine_ls_weighting_scheme' value 'w = 1/[\s^2^(F) + 0.012134F^2^]' was changed to 'calc'. New tag '_refine_ls_weighting_details' was created. The value of the new tag was set to 'w = 1/[\s^2^(F) + 0.012134F^2^]'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_original_sg_symbol_H-M 'P 21/c' _cod_database_code 2004964 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,-z 1/2+x,1/2-y,1/2+z 1/2-x,1/2+y,1/2-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Sn .21397(7) .05703(5) .21018(5) .0452(2) I1 .15287(10) .25475(6) .11184(7) .0689(3) I2 .39800(9) .10823(7) .37307(6) .0652(3) C1 .3067(10) -.0480(8) .0984(8) .048(2) C2 .4418(11) -.0857(9) .1186(8) .052(2) C3 .4997(11) -0.1533(10) .0453(9) .057(3) C4 .4238(14) -0.1785(10) -.0473(9) .065(3) C5 .2888(15) -0.1368(12) -.0700(10) .071(4) C6 .2286(13) -.0709(11) .0033(9) .066(3) C7 .0211(10) .0007(8) .2654(8) .048(2) C8 -.0365(17) .0561(14) .3463(14) .095(6) C9 -0.1633(18) .0181(17) .3787(14) .093(6) C10 -0.2352(14) -.0676(15) .3287(14) .086(5) C11 -0.1762(13) -0.1205(12) .2485(12) .074(4) C12 -.0478(12) -.0887(9) .2163(9) .055(3) H2 .4950 -0.0657 .1823 ? H3 .5922 -0.1821 .0593 ? H4 .4639 -0.2254 -0.0972 ? H5 .2383 -0.1536 -0.1355 ? H6 .1362 -0.0419 -0.0106 ? H8 .0097 .1189 .3794 ? H9 -0.2011 .0531 .4373 ? H10 -0.3244 -0.0900 .3493 ? H11 -0.2249 -0.1812 .2137 ? H12 -0.0075 -0.1277 .1610 ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_publ_flag I2 Sn I1 105.17(3) yes C1 Sn I2 111.5(3) yes C7 Sn I2 110.3(3) yes C2 C1 Sn 120.1(7) yes C8 C7 Sn 120.3(9) yes C1 Sn I1 106.7(3) yes C7 Sn I1 105.5(3) yes C7 Sn C1 116.7(4) yes C6 C1 Sn 118.0(8) yes C12 C7 Sn 119.2(8) yes C6 C1 C2 121.8(10) no C4 C3 C2 119.8(10) no C6 C5 C4 119.6(12) no C12 C7 C8 120.4(11) no C10 C9 C8 121.8(14) no C12 C11 C10 121.9(13) no C5 C4 C3 121.3(11) no C5 C6 C1 118.3(12) no C9 C8 C7 118.6(14) no C11 C10 C9 118.4(14) no C11 C12 C7 118.9(12) no loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag I1 Sn 2.7097(10) yes C1 Sn 2.140(10) yes I2 Sn 2.6749(10) yes C7 Sn 2.133(9) yes C2 C1 1.371(14) no C3 C2 1.381(15) no C5 C4 1.389(19) no C8 C7 1.374(16) no C9 C8 1.39(2) no C11 C10 1.36(2) no C6 C1 1.394(15) no C4 C3 1.365(16) no C6 C5 1.380(17) no C12 C7 1.375(14) no C10 C9 1.36(2) no C12 C11 1.377(17) no loop_ _geom_contact_atom_site_label_1 _geom_contact_atom_site_label_2 _geom_contact_distance _geom_contact_site_symmetry_2 _geom_contact_publ_flag I1 Sn 4.3885(10) 4 yes I1 I2 4.0745(12) 3_454 yes I1 I2 4.2490(11) 4 yes I2 I1 4.0745(12) 3 yes I2 I1 4.2490(11) 4_545 yes I2 I2 4.4550(11) 2_656 yes