#------------------------------------------------------------------------------ #$Date: 2010-01-30 14:59:17 +0100 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: svn://www.crystallography.net/cod/cif/2/2003352.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_2003352 _journal_name_full 'Acta Crystallographica C' _journal_volume 51 _journal_year 1995 _journal_page_first 697 _journal_page_last 700 _publ_section_title ; Preparation and Structural Characterization of the Charge-Transfer Complex (12[ane]S~4~.I~2~)~\\infty~ (12[ane]S~4~ = 1,4,7,10-Tetrathiacyclododecane) ; _chemical_formula_moiety 'C8 H16 S4 , I2' _chemical_formula_sum 'C8 H16 I2 S4' _chemical_formula_weight 494.3 _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2yab' _symmetry_space_group_name_H-M 'P 1 21/a 1' _[local]_cod_cif_authors_sg_H-M 'P 21/a' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,z' '-x,-y,-z' '1/2-x,1/2+y,-z' _cell_length_a 9.475(1) _cell_length_b 8.570(1) _cell_length_c 9.194(1) _cell_angle_alpha 90 _cell_angle_beta 97.430(9) _cell_angle_gamma 90 _cell_volume 740.3 _cell_formula_units_Z 2 _exptl_crystal_density_diffrn 2.217 _exptl_crystal_density_meas ? _diffrn_radiation_type "MoK\a" _diffrn_radiation_wavelength 0.71069 _cell_measurement_reflns_used 25 _cell_measurement_theta_min 10 _cell_measurement_theta_max 11 _exptl_absorpt_coefficient_mu 4.72 _cell_measurement_temperature 293 _exptl_crystal_description 'small almost-square plates' _exptl_crystal_size_max 0.24 _exptl_crystal_size_mid 0.21 _exptl_crystal_size_min 0.05 _exptl_crystal_size_rad ? _exptl_crystal_colour 'very dark brown' _chemical_compound_source 'recrystallized from CH~2~Cl~2~' _diffrn_measurement_device 'Enraf-Nonius CAD-4' _diffrn_measurement_method '\w-\q' _exptl_absorpt_correction_type 'empirical' _exptl_absorpt_correction_T_min 0.82 _exptl_absorpt_correction_T_max 1.00 _diffrn_reflns_number 1119 _reflns_number_total 961 _reflns_number_observed 750 _reflns_observed_criterion I>2\s(I) _diffrn_reflns_av_R_equivalents 0.047 _diffrn_reflns_theta_max 22.5 _diffrn_reflns_limit_h_min -10 _diffrn_reflns_limit_h_max 10 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_k_max 9 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_limit_l_max 9 _diffrn_standards_number 2 _diffrn_standards_interval_count ? _diffrn_standards_interval_time 166 _diffrn_standards_decay_% -14.8 _refine_ls_structure_factor_coef F _refine_ls_R_factor_obs 0.047 _refine_ls_wR_factor_obs 0.061 _refine_ls_goodness_of_fit_obs 0.66 _refine_ls_number_reflns '863 [I>\s(I)]' _refine_ls_number_parameters 90 _refine_ls_hydrogen_treatment 'refU' _refine_ls_weighting_scheme '1/[\s^2^(F)+0.002F^2^]' _refine_ls_shift/esd_max 0.017 _refine_diff_density_max 0.57 _refine_diff_density_min -1.07 _refine_ls_extinction_method 'none' _refine_ls_extinction_coef ? _atom_type_scat_source 'IntTabIV' loop_ _atom_site_label _atom_site_occupancy _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv S(1) 1 .4705(3) .0832(3) .1645(3) .059(1) C(2) 0.85(3) .4799(13) -.1141(14) .2498(15) .053(5) C(3) 0.85(3) .6200(13) -.1559(17) .3271(14) .063(5) C(2x) 0.15(3) .587(5) -.035(6) .266(5) .019(16) C(3x) 0.15(3) .498(5) -.199(6) .324(6) .018(16) S(4) 1 .6128(3) -.3310(3) .4319(3) .056(1) C(5) 0.65(3) .5221(16) -.268(2) .5863(19) .058(7) C(6) 0.65(3) .6240(18) -.189(2) .696(2) .060(7) C(5x) 0.35(3) .644(3) -.220(3) .614(3) .029(8) C(6x) 0.35(3) .494(3) -.201(3) .673(3) .032(9) I(7) 1 .14402(8) .01665(9) .03457(8) .0654(3) H(2)a 0.85(3) .4545 -.1914 .1722 .113(56) H(2)b 0.85(3) .4107 -.1184 .3202 .073(39) H(3)a 0.85(3) .6864 -.1711 .2550 .156(80) H(3)b 0.85(3) .6538 -.0705 .3935 .077(43) H(5)a 0.65(3) .4834 -.3593 .6317 .128(85) H(5)b 0.65(3) .4444 -.1968 .5504 .008(25) H(6)a 0.65(3) .6902 -.2652 .7462 .011(25) H(6)b 0.65(3) .6773 -.1119 .6460 .038(35) _cod_database_code 2003352