#------------------------------------------------------------------------------ #$Date: 2008-11-20 19:58:43 +0000 (Thu, 20 Nov 2008) $ #$Revision: 481 $ #$URL: svn://www.crystallography.net/cod/cif/2/2000497.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_2000497 _journal_name_full 'Acta Crystallographica Section C' _journal_year 1992 _journal_volume 48 _journal_page_first 2085 _journal_page_last 2088 _publ_section_title ; Structures of bis(dialkylthiophosphoryl)di- sulfides, [R~2~P(S)]~2~S~2~, R = Me, ^i^Pr, and the Question of P-S \p Bonding. ; loop_ _publ_author_name 'Gallacher, Anthony C.' 'Pinkerton, A. Alan' _chemical_formula_sum 'C12 H28 P2 S4' _chemical_formula_structural ? _chemical_formula_weight 362.56 _symmetry_cell_setting triclinic _symmetry_space_group_name_h-m 'P-1' _cell_length_a 7.6160(10) _cell_length_b 11.3780(10) _cell_length_c 12.403(2) _cell_angle_alpha 68.330(10) _cell_angle_beta 72.610(10) _cell_angle_gamma 85.530(10) _cell_volume 952.4(2) _cell_formula_units_z 2.00 _cell_measurement_reflns_used 25 _cell_measurement_theta_min 9 _cell_measurement_theta_max 16 _cell_measurement_temperature 294 _exptl_crystal_description elongated_plate _exptl_crystal_colour colorless _exptl_crystal_size_max 0.35 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.10 _exptl_crystal_density_diffrn 1.26 _exptl_crystal_density_meas ? _exptl_crystal_density_method ? _exptl_crystal_F_000 388 _exptl_absorpt_coefficient_mu 0.631 _exptl_absorpt_correction_type empirical _exptl_absorpt_correction_T_min 0.9021 _exptl_absorpt_correction_T_max 0.9995 _diffrn_radiation_type 'Mo K\a' _diffrn_radiation_wavelength 0.71073 _diffrn_measurement_device Enraf_Nonius_CAD4 _diffrn_measurement_method \q/2\q _diffrn_reflns_number 7482 _diffrn_reflns_av_R_equivalents 0.039 _diffrn_reflns_theta_max 25.97 _diffrn_reflns_limit_h_min -9 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_k_min -14 _diffrn_reflns_limit_k_max 14 _diffrn_reflns_limit_l_min -15 _diffrn_reflns_limit_l_max 15 _diffrn_standards_number 3 _diffrn_standards_interval_count ? _diffrn_standards_interval_time 50 _diffrn_standards_decay_% 3.62 _reflns_number_total 3743 _reflns_number_observed 2466 _reflns_observed_criterion >3.0\s(I) _refine_ls_structure_factor_coef F _refine_ls_R_factor_obs 0.025 _refine_ls_wR_factor_obs 0.032 _refine_ls_goodness_of_fit_obs 1.000 _refine_ls_number_reflns 2466 _refine_ls_number_parameters 163 _refine_ls_hydrogen_treatment 'H atoms riding' _refine_ls_weighting_scheme 'w = 4F~o~^2^/[\s^2^(F~o~^2^)+0.0009F~o~^4^]' _refine_ls_shift/esd_max 0.076 _refine_diff_density_max 0.178 _refine_diff_density_min -0.168 _refine_ls_extinction_method none _refine_ls_extinction_coef 0.00E+00 _atom_type_scat_source IntTabIV loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_calc_flag S1 -0.46676(9) -0.05534(5) -0.20811(5) 0.0516(3) Uani ? S2 -0.20962(8) -0.32374(5) -0.14043(4) 0.0412(2) Uani ? S3 -0.05433(7) -0.20617(5) -0.30360(4) 0.0434(2) Uani ? S4 -0.29656(8) -0.40524(5) -0.36624(5) 0.0519(3) Uani ? P1 -0.42945(7) -0.20898(5) -0.08292(4) 0.0354(2) Uani ? P2 -0.08997(7) -0.28590(4) -0.42920(4) 0.0351(2) Uani ? C1 -0.3680(3) -0.1809(2) 0.0375(2) 0.0485(9) Uani ? C2 -0.3438(3) -0.3024(2) 0.1384(2) 0.0620(10) Uani ? C3 -0.1989(3) -0.0923(2) -0.0156(2) 0.0680(10) Uani ? C4 -0.6227(3) -0.3250(2) -0.0109(2) 0.0440(10) Uani ? C5 -0.7779(3) -0.2851(2) 0.0772(2) 0.0590(10) Uani ? C6 -0.6895(3) -0.3460(2) -0.1071(2) 0.0700(10) Uani ? C7 0.1325(3) -0.3547(2) -0.4733(2) 0.0440(9) Uani ? C8 0.2950(3) -0.2592(2) -0.5308(2) 0.0590(10) Uani ? C9 0.1642(3) -0.4657(2) -0.3665(2) 0.0630(10) Uani ? C10 -0.1027(3) -0.1420(2) -0.5567(2) 0.0410(9) Uani ? C11 -0.2816(3) -0.0755(2) -0.5260(2) 0.0590(10) Uani ? C12 -0.0801(4) -0.1729(2) -0.6703(2) 0.0670(10) Uani ? H1A -0.4663 -0.1398 0.0759 0.0608 Uiso calc H2A -0.4539 -0.3534 0.1706 0.0818 Uiso calc H2B -0.2444 -0.3468 0.1056 0.0818 Uiso calc H2C -0.3192 -0.2836 0.2011 0.0818 Uiso calc H3A -0.2190 -0.0172 -0.0770 0.0838 Uiso calc H3B -0.1726 -0.0713 0.0454 0.0838 Uiso calc H3C -0.0978 -0.1345 -0.0501 0.0838 Uiso calc H4A -0.5806 -0.4035 0.0337 0.0599 Uiso calc H5A -0.7315 -0.2737 0.1359 0.0852 Uiso calc H5B -0.8245 -0.2077 0.0343 0.0852 Uiso calc H5C -0.8740 -0.3484 0.1167 0.0852 Uiso calc H6A -0.5910 -0.3712 -0.1611 0.0860 Uiso calc H6B -0.7851 -0.4097 -0.0687 0.0860 Uiso calc H6C -0.7355 -0.2689 -0.1512 0.0860 Uiso calc H7A 0.1326 -0.3857 -0.5347 0.0578 Uiso calc H8C 0.4061 -0.2984 -0.5566 0.0881 Uiso calc H8A 0.2737 -0.1923 -0.5986 0.0881 Uiso calc H8B 0.3048 -0.2262 -0.4727 0.0881 Uiso calc H9B 0.2739 -0.5071 -0.3905 0.0846 Uiso calc H9C 0.1726 -0.4349 -0.3066 0.0846 Uiso calc H9A 0.0619 -0.5238 -0.3340 0.0846 Uiso calc H10A -0.0042 -0.0859 -0.5727 0.0555 Uiso calc H11A -0.2924 -0.0550 -0.4568 0.0770 Uiso calc H11C -0.3812 -0.1311 -0.5095 0.0770 Uiso calc H11B -0.2842 -0.0003 -0.5928 0.0770 Uiso calc H12B -0.1800 -0.2283 -0.6535 0.0964 Uiso calc H12C -0.0830 -0.0976 -0.7369 0.0964 Uiso calc H12A 0.0327 -0.2132 -0.6898 0.0964 Uiso calc