#------------------------------------------------------------------------------ #$Date: 2025-08-18 23:52:38 +0100 (Mon, 18 Aug 2025) $ #$Revision: 301791 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/71/2007178.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_2007178 loop_ _publ_author_name 'Pochat, Francis' 'L'Haridon, Paul' _publ_section_title ; \a-(2H-1-Benzopyran-2-ylidene)-\a-(methylthio)acetonitrile, a Chromylidene Acetonitrile ; _journal_issue 4 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 531 _journal_page_last 533 _journal_paper_doi 10.1107/S0108270197015874 _journal_volume 54 _journal_year 1998 _chemical_formula_moiety C~12~H~9~NOS _chemical_formula_sum 'C12 H9 N O S' _chemical_formula_weight 215.28 _chemical_name_systematic ' 2H-1-benzopyran-2-[cyano(methylthio)methylene]' _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _cell_angle_alpha 90.0 _cell_angle_beta 96.32(2) _cell_angle_gamma 90.0 _cell_formula_units_Z 4 _cell_length_a 7.430(4) _cell_length_b 18.453(2) _cell_length_c 7.686(3) _cell_measurement_reflns_used 25 _cell_measurement_temperature 293 _cell_measurement_theta_max 15 _cell_measurement_theta_min 6 _cell_volume 1047.4(7) _diffrn_measurement_device_type 'Enraf-Nonius CAD-4 diffractometer' _diffrn_measurement_method \w--2\q _diffrn_radiation_type 'Mo K\a' _diffrn_radiation_wavelength 0.7107 _diffrn_reflns_av_R_equivalents 0.020 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_h_min -9 _diffrn_reflns_limit_k_max 22 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 9 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 2291 _diffrn_reflns_theta_max 26.0 _diffrn_standards_decay_% 0.7 _diffrn_standards_interval_count 250 _diffrn_standards_interval_time 60 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.265 _exptl_absorpt_correction_type none _exptl_crystal_colour Yellow _exptl_crystal_density_diffrn 1.365 _exptl_crystal_density_method 'not measured' _exptl_crystal_description Needle _exptl_crystal_F_000 448 _exptl_crystal_size_max 0.40 _exptl_crystal_size_mid 0.12 _exptl_crystal_size_min 0.06 _refine_diff_density_max 0.247 _refine_diff_density_min -0.262 _refine_ls_extinction_coef '1.7(4)\\times 10^-7^' _refine_ls_extinction_method 'Becker & Coppens (1975)' _refine_ls_goodness_of_fit_ref 1.15 _refine_ls_hydrogen_treatment noref _refine_ls_number_parameters 137 _refine_ls_number_reflns 1229 _refine_ls_R_factor_gt 0.058 _refine_ls_shift/su_max <0.01 _refine_ls_structure_factor_coef F _refine_ls_weighting_details 'w = 4Fo^2^/[\s^2^(Fo)^2^+(0.07Fo^2^)^2^]' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_ref 0.066 _reflns_number_observed 1229 _reflns_number_total 2135 _reflns_observed_criterion I>\s(I) _cod_data_source_file jz1258.cif _cod_data_source_block I _cod_original_cell_volume 1047.5(7) _cod_original_sg_symbol_H-M 'P 21/c' _cod_original_formula_sum 'C12 H9 NOS' _cod_database_code 2007178 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,-z -x,1/2+y,1/2-z 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_adp_type _atom_site_type_symbol S .77120(10) .01004(5) .38010(10) Beq S O1 .3095(3) .10370(10) .1905(4) Beq O N .3526(5) -.0829(2) .2001(6) Beq N C2 .4880(5) .0973(2) .2534(5) Beq C C3 .5935(5) .1623(2) .2815(6) Beq C C4 .5211(6) .2272(2) .2423(6) Beq C C10 .3352(5) .2334(2) .1718(5) Beq C C5 .2505(6) .2992(2) .1271(6) Beq C C6 .0706(6) .3009(2) .0627(6) Beq C C7 -.0272(6) .2374(2) .0433(6) Beq C C8 .0524(5) .1713(2) .0863(6) Beq C C9 .2342(5) .1707(2) .1502(5) Beq C C11 .5495(5) .0285(2) .2836(5) Beq C C12 .4361(5) -.0325(2) .2389(6) Beq C C13 .8742(6) -.0228(2) .1952(6) Beq C H3 .723 .153 .324 Bisofixed H H4 .592 .266 .255 Bisofixed H H5 .322 .340 .136 Bisofixed H H6 .015 .348 .030 Bisofixed H H7 -.148 .235 .003 Bisofixed H H8 -.018 .127 .069 Bisofixed H H131 .996 -.029 .233 Bisofixed H H132 .829 -.067 .164 Bisofixed H H133 .857 .009 .093 Bisofixed H loop_ _atom_site_aniso_label _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 _atom_site_aniso_type_symbol S .0402(4) .0572(6) .0495(5) -.0070(6) -.0070(4) .0134(5) S O1 .0330(10) .0360(10) .065(2) -.0030(10) -.0060(10) -.0020(10) O N .059(2) .043(2) .120(3) .000(2) -.011(2) .000(2) N C2 .032(2) .043(2) .048(2) -.004(2) -.001(2) .003(2) C C3 .038(2) .049(2) .070(3) -.012(2) -.004(2) .001(2) C C4 .047(2) .036(2) .076(3) -.009(2) -.003(2) -.004(2) C C10 .042(2) .036(2) .046(2) -.003(2) .001(2) .002(2) C C5 .052(2) .038(2) .062(3) .000(2) -.006(2) -.003(2) C C6 .068(3) .045(2) .060(3) .004(2) -.006(2) .014(2) C C7 .045(2) .053(2) .062(3) .003(2) -.009(2) .012(2) C C8 .038(2) .046(2) .053(2) -.001(2) -.002(2) .001(2) C C9 .039(2) .031(2) .039(2) -.003(2) .000(2) .006(2) C C11 .032(2) .050(2) .046(2) -.006(2) .001(2) .004(2) C C12 .044(2) .037(2) .061(3) .002(2) .001(2) .013(2) C C13 .050(2) .068(3) .062(3) .003(2) .014(2) .006(2) C loop_ _atom_type_symbol _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C .002 .002 ; International Tables for X-ray Crystallography (Vol. IV) ; H 0 0 ; International Tables for X-ray Crystallography (Vol. IV) ; N .004 .003 ; International Tables for X-ray Crystallography (Vol. IV) ; O .008 .006 ; International Tables for X-ray Crystallography (Vol. IV) ; S .110 .124 ; International Tables for X-ray Crystallography (Vol. IV) ; 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 C11 S C13 101.1(2) yes C2 O1 C9 120.7(3) yes O1 C2 C3 118.3(3) yes O1 C2 C11 115.8(2) yes C3 C2 C11 125.8(3) yes C2 C3 C4 121.0(3) yes C3 C4 C10 120.4(3) yes C4 C10 C5 123.6(2) yes C4 C10 C9 117.9(3) yes C5 C10 C9 118.5(2) no C10 C5 C6 120.2(3) no C5 C6 C7 120.0(3) no C6 C7 C8 121.2(3) no C7 C8 C9 117.9(3) no O1 C9 C10 121.6(3) yes O1 C9 C8 116.3(3) no C10 C9 C8 122.1(3) no S C11 C2 122.2(3) yes S C11 C12 116.7(3) yes C2 C11 C12 121.1(3) yes N C12 C11 176.6(4) yes H131 C13 H132 107.3(5) ? H131 C13 H133 111.5(4) ? H132 C13 H133 108.5(4) ? 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 _geom_bond_publ_flag S C11 . . 1.764(4) yes S C13 . . 1.792(5) yes O1 C2 . . 1.366(4) yes O1 C9 . . 1.379(4) yes N C12 . . 1.139(5) yes C2 C3 . . 1.436(5) yes C2 C11 . . 1.361(5) yes C3 C4 . . 1.334(6) yes C4 C10 . . 1.432(6) yes C10 C5 . . 1.394(5) yes C10 C9 . . 1.378(5) yes C5 C6 . . 1.374(6) no C6 C7 . . 1.379(6) no C7 C8 . . 1.378(6) no C8 C9 . . 1.386(5) no C11 C12 . . 1.425(5) yes C3 H3 . . 1.00(4) ? C4 H4 . . .89(4) ? C5 H5 . . .92(4) ? C6 H6 . . .98(4) ? C7 H7 . . .92(4) ? C8 H8 . . .98(4) ? C13 H131 . . .93(4) ? C13 H132 . . .90(4) ? C13 H133 . . .98(4) ? loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 10775058