#------------------------------------------------------------------------------ #$Date: 2013-08-27 14:37:05 +0300 (Tue, 27 Aug 2013) $ #$Revision: 87614 $ #$URL: file:///home/coder/svn-repositories/cod/cif/7/21/03/7210398.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_7210398 loop_ _publ_author_name 'Kumar, S. Sudalai' 'Nangia, Ashwini' _publ_section_title ; A new conformational polymorph of N-acetyl-l-cysteine. The role of S--H⋯O and C--H⋯O interactions ; _journal_issue 33 _journal_name_full CrystEngComm _journal_page_first 6498 _journal_paper_doi 10.1039/c3ce40879e _journal_volume 15 _journal_year 2013 _chemical_absolute_configuration rm _chemical_formula_moiety 'C5 H9 N O3 S' _chemical_formula_sum 'C5 H9 N O3 S' _chemical_formula_weight 163.19 _chemical_melting_point 379 _chemical_name_common NAC _chemical_name_systematic N-acetyl-L-cysteine _space_group_IT_number 1 _symmetry_cell_setting triclinic _symmetry_space_group_name_Hall 'P 1' _symmetry_space_group_name_H-M 'P 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 96.484(12) _cell_angle_beta 103.696(13) _cell_angle_gamma 101.969(11) _cell_formula_units_Z 1 _cell_length_a 5.1041(7) _cell_length_b 5.9092(8) _cell_length_c 6.5261(10) _cell_measurement_reflns_used 768 _cell_measurement_temperature 298(2) _cell_measurement_theta_max 28.8070 _cell_measurement_theta_min 4.4030 _cell_volume 184.34(5) _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _diffrn_ambient_temperature 298(2) _diffrn_measured_fraction_theta_full 0.984 _diffrn_measured_fraction_theta_max 0.984 _diffrn_measurement_device_type 'Xcalibur, Eos, Gemini' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0633 _diffrn_reflns_av_sigmaI/netI 0.0415 _diffrn_reflns_limit_h_max 5 _diffrn_reflns_limit_h_min -6 _diffrn_reflns_limit_k_max 7 _diffrn_reflns_limit_k_min -7 _diffrn_reflns_limit_l_max 8 _diffrn_reflns_limit_l_min -5 _diffrn_reflns_number 1129 _diffrn_reflns_theta_full 26.37 _diffrn_reflns_theta_max 26.37 _diffrn_reflns_theta_min 3.26 _exptl_absorpt_coefficient_mu 0.386 _exptl_absorpt_correction_T_max 1.00000 _exptl_absorpt_correction_T_min 0.24651 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details Multi-scan _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.470 _exptl_crystal_density_method 'not measured' _exptl_crystal_description Block _exptl_crystal_F_000 86 _exptl_crystal_size_max 0.18 _exptl_crystal_size_mid 0.16 _exptl_crystal_size_min 0.14 _refine_diff_density_max 0.575 _refine_diff_density_min -0.533 _refine_diff_density_rms 0.094 _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack 0.02(14) _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.105 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 97 _refine_ls_number_reflns 937 _refine_ls_number_restraints 3 _refine_ls_restrained_S_all 1.104 _refine_ls_R_factor_all 0.0532 _refine_ls_R_factor_gt 0.0522 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.1155P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1418 _refine_ls_wR_factor_ref 0.1426 _reflns_number_gt 887 _reflns_number_total 937 _reflns_threshold_expression >2sigma(I) _[local]_cod_data_source_file c3ce40879e.txt _[local]_cod_data_source_block NAC_I _cod_depositor_comments ; The following automatic conversions were performed: '_chemical_melting_point' value '379 K' was changed to '379' - the value should be numeric and without a unit designator. '_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26. '_exptl_absorpt_correction_type' value 'Multi-scan' changed to 'multi-scan' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26. Automatic conversion script Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius ; _cod_original_cell_volume 184.34(4) _cod_database_code 7210398 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' 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 S1 S 0.61981(9) 0.41269(9) 0.49025(9) 0.0364(4) Uani 1 1 d . O1 O 0.6978(8) 0.9253(6) 0.1883(5) 0.0411(9) Uani 1 1 d . H1 H 0.6065 0.9190 0.0652 0.062 Uiso 1 1 calc R O3 O 1.4068(8) 0.9151(7) 0.8019(6) 0.0407(9) Uani 1 1 d . N1 N 1.0118(8) 0.9416(6) 0.5769(6) 0.0279(8) Uani 1 1 d . H6 H 0.8741 1.0067 0.5535 0.033 Uiso 1 1 calc R C3 C 0.9673(9) 0.5150(7) 0.4627(7) 0.0285(9) Uani 1 1 d . H3 H 1.0999 0.5108 0.5951 0.034 Uiso 1 1 calc R H4 H 0.9945 0.4071 0.3505 0.034 Uiso 1 1 calc R C1 C 0.8446(10) 0.7689(7) 0.1919(8) 0.0299(10) Uani 1 1 d . C4 C 1.2060(11) 1.0060(9) 0.7650(8) 0.0294(10) Uani 1 1 d . O2 O 0.8450(12) 0.6379(7) 0.0362(7) 0.0538(12) Uani 1 1 d . C2 C 1.0306(9) 0.7619(7) 0.4103(7) 0.0256(9) Uani 1 1 d . H2 H 1.2229 0.7978 0.4000 0.031 Uiso 1 1 calc R C5 C 1.1729(13) 1.1973(9) 0.9218(9) 0.0396(11) Uani 1 1 d . H9 H 1.3025 1.3414 0.9241 0.059 Uiso 1 1 calc R H7 H 1.2081 1.1555 1.0620 0.059 Uiso 1 1 calc R H8 H 0.9868 1.2173 0.8797 0.059 Uiso 1 1 calc R H5 H 0.709(16) 0.517(11) 0.665(12) 0.05(2) Uiso 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 S1 0.0328(6) 0.0412(6) 0.0327(6) 0.0016(4) 0.0081(4) 0.0069(4) O1 0.047(2) 0.054(2) 0.0237(18) 0.0014(15) -0.0064(16) 0.0350(19) O3 0.037(2) 0.058(2) 0.0250(17) 0.0044(15) -0.0074(15) 0.0266(18) N1 0.0286(18) 0.0350(18) 0.0208(18) 0.0023(14) -0.0019(15) 0.0203(16) C3 0.029(2) 0.031(2) 0.031(2) 0.0069(16) 0.0081(18) 0.0184(17) C1 0.033(3) 0.030(2) 0.026(2) 0.0034(18) 0.003(2) 0.0117(19) C4 0.034(2) 0.033(2) 0.021(2) 0.0093(16) -0.0010(18) 0.0125(19) O2 0.080(3) 0.058(2) 0.0254(18) -0.0025(17) 0.0031(19) 0.041(2) C2 0.0220(19) 0.0309(19) 0.025(2) 0.0039(15) 0.0028(16) 0.0134(17) C5 0.047(3) 0.039(2) 0.028(2) 0.0006(19) 0.003(2) 0.011(2) 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' N N 0.0061 0.0033 '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' S S 0.1246 0.1234 '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 C3 S1 H5 85(4) C1 O1 H1 109.5 C4 N1 C2 121.0(4) C4 N1 H6 119.5 C2 N1 H6 119.5 C2 C3 S1 114.7(3) C2 C3 H3 108.6 S1 C3 H3 108.6 C2 C3 H4 108.6 S1 C3 H4 108.6 H3 C3 H4 107.6 O2 C1 O1 124.5(5) O2 C1 C2 119.8(5) O1 C1 C2 115.7(4) O3 C4 N1 120.6(5) O3 C4 C5 122.5(5) N1 C4 C5 116.8(5) N1 C2 C3 113.1(4) N1 C2 C1 111.7(4) C3 C2 C1 110.0(3) N1 C2 H2 107.3 C3 C2 H2 107.3 C1 C2 H2 107.3 C4 C5 H9 109.5 C4 C5 H7 109.5 H9 C5 H7 109.5 C4 C5 H8 109.5 H9 C5 H8 109.5 H7 C5 H8 109.5 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance S1 C3 1.810(5) S1 H5 1.17(7) O1 C1 1.303(6) O1 H1 0.8200 O3 C4 1.240(7) N1 C4 1.341(7) N1 C2 1.466(5) N1 H6 0.8600 C3 C2 1.523(6) C3 H3 0.9700 C3 H4 0.9700 C1 O2 1.207(7) C1 C2 1.524(6) C4 C5 1.501(8) C2 H2 0.9800 C5 H9 0.9600 C5 H7 0.9600 C5 H8 0.9600