# Electronic Supplementary Material (ESI) for Chemical Communications # This journal is © The Royal Society of Chemistry 2013 ####################################################################### # # Cambridge Crystallographic Data Centre # CCDC # ####################################################################### # # This CIF contains data from an original supplementary publication # deposited with the CCDC, and may include chemical, crystal, # experimental, refinement, atomic coordinates, # anisotropic displacement parameters and molecular geometry data, # as required by the journal to which it was submitted. # # This CIF is provided on the understanding that it is used for bona # fide research purposes only. It may contain copyright material # of the CCDC or of third parties, and may not be copied or further # disseminated in any form, whether machine-readable or not, # except for the purpose of generating routine backup copies # on your local computer system. # # For further information on the CCDC, data deposition and # data retrieval see: # www.ccdc.cam.ac.uk # # Bona fide researchers may freely download Mercury and enCIFer # from this site to visualise CIF-encoded structures and # to carry out CIF format checking respectively. # data_PC-X1720f2-shelxl # COM648 Secant Lam Sze Kui's PC-X1720f2 (collected at PolyU) 15-Jun-2011 _audit_creation_method SHELXL-97 _chemical_name_systematic ; ? ; _chemical_absolute_configuration rmad _chemical_name_common ? _chemical_melting_point ? _chemical_formula_moiety 'C15 H17 N O4 S' _chemical_formula_sum 'C15 H17 N O4 S' _chemical_formula_weight 307.36 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' _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'P 21 21 21' _symmetry_space_group_name_Hall 'P 2ac 2ab' _symmetry_Int_Tables_number 19 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' 'x+1/2, -y+1/2, -z' '-x, y+1/2, -z+1/2' '-x+1/2, -y, z+1/2' _cell_length_a 5.0949(2) _cell_length_b 12.0655(4) _cell_length_c 24.2090(7) _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_volume 1488.19(9) _cell_formula_units_Z 4 _cell_measurement_temperature 296(2) _cell_measurement_reflns_used 11344 _cell_measurement_theta_min 1.68 _cell_measurement_theta_max 25.02 _exptl_crystal_description rod _exptl_crystal_colour colourless _exptl_crystal_size_max 0.36 _exptl_crystal_size_mid 0.18 _exptl_crystal_size_min 0.16 _exptl_crystal_density_meas ? _exptl_crystal_density_diffrn 1.372 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 648 _exptl_absorpt_coefficient_mu 0.232 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_correction_T_min 0.9210 _exptl_absorpt_correction_T_max 0.9638 _exptl_absorpt_process_details 'SADABS (Sheldrick, 2008)' _exptl_special_details ; ? ; _diffrn_ambient_temperature 296(2) _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_type MoK\a _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_monochromator graphite _diffrn_measurement_device_type 'Bruker APEX CCD' _diffrn_measurement_method '\w & \f scans' _diffrn_detector_area_resol_mean ? _diffrn_standards_number 0 _diffrn_standards_interval_count . _diffrn_standards_interval_time . _diffrn_standards_decay_% ? _diffrn_reflns_number 11344 _diffrn_reflns_av_R_equivalents 0.0336 _diffrn_reflns_av_sigmaI/netI 0.0292 _diffrn_reflns_limit_h_min -6 _diffrn_reflns_limit_h_max 6 _diffrn_reflns_limit_k_min -11 _diffrn_reflns_limit_k_max 14 _diffrn_reflns_limit_l_min -28 _diffrn_reflns_limit_l_max 28 _diffrn_reflns_theta_min 1.68 _diffrn_reflns_theta_max 25.02 _reflns_number_total 2616 _reflns_number_gt 2306 _reflns_threshold_expression I>2\s(I) _computing_data_collection 'APEX (Bruker AXS Inc, 2007)' _computing_cell_refinement 'SAINT v7.34A (Bruker AXS Inc, 2007)' _computing_data_reduction 'CrystalStructure (Rigaku/MSC and Rigaku Corporation, 2006)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 2008)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 2008)' _computing_molecular_graphics 'MERCURY (Macrae et al., 2008)' _computing_publication_material 'SHELXL97 (Sheldrick, 2008)' _refine_special_details ; Refinement of F^2^ against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F^2^, conventional R-factors R are based on F, with F set to zero for negative F^2^. The threshold expression of F^2^ > 2sigma(F^2^) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F^2^ are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. ; _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme calc _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0361P)^2^+0.1990P] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens geom _refine_ls_hydrogen_treatment mixed _refine_ls_extinction_method none _refine_ls_extinction_coef ? _refine_ls_abs_structure_details 'Flack (1983). 1054 Friedel pairs' _refine_ls_abs_structure_Flack 0.04(8) _refine_ls_number_reflns 2616 _refine_ls_number_parameters 196 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0417 _refine_ls_R_factor_gt 0.0336 _refine_ls_wR_factor_ref 0.0772 _refine_ls_wR_factor_gt 0.0730 _refine_ls_goodness_of_fit_ref 1.067 _refine_ls_restrained_S_all 1.067 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 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 _atom_site_disorder_assembly _atom_site_disorder_group S1 S 0.87519(11) 0.38532(5) 0.40888(2) 0.04290(17) Uani 1 1 d . . . O1 O 0.9715(3) 0.55905(13) 0.23178(6) 0.0487(4) Uani 1 1 d . . . O2 O 0.4293(4) 0.75312(14) 0.29953(8) 0.0729(6) Uani 1 1 d . . . O3 O 1.1392(3) 0.41462(16) 0.39465(7) 0.0636(5) Uani 1 1 d . . . O4 O 0.8054(4) 0.27188(12) 0.41694(7) 0.0592(5) Uani 1 1 d . . . N1 N 0.6927(4) 0.43064(16) 0.35866(8) 0.0383(4) Uani 1 1 d . . . C1 C 0.7853(4) 0.46089(18) 0.46825(9) 0.0400(5) Uani 1 1 d . . . C2 C 0.5843(5) 0.42179(19) 0.50105(9) 0.0465(6) Uani 1 1 d . . . H2 H 0.5081 0.3534 0.4936 0.056 Uiso 1 1 calc R . . C3 C 0.4971(6) 0.4847(2) 0.54491(9) 0.0519(6) Uani 1 1 d . . . H3 H 0.3636 0.4574 0.5673 0.062 Uiso 1 1 calc R . . C4 C 0.6046(5) 0.58763(19) 0.55620(9) 0.0488(6) Uani 1 1 d . . . C5 C 0.8073(5) 0.6251(2) 0.52321(10) 0.0548(6) Uani 1 1 d . . . H5 H 0.8835 0.6936 0.5306 0.066 Uiso 1 1 calc R . . C6 C 0.8986(5) 0.56248(19) 0.47944(10) 0.0519(6) Uani 1 1 d . . . H6 H 1.0356 0.5886 0.4576 0.062 Uiso 1 1 calc R . . C7 C 0.7175(5) 0.54775(17) 0.34314(9) 0.0407(5) Uani 1 1 d . . . H7A H 0.9018 0.5675 0.3409 0.049 Uiso 1 1 calc R . . H7B H 0.6367 0.5937 0.3713 0.049 Uiso 1 1 calc R . . C8 C 0.5854(4) 0.56933(16) 0.28751(8) 0.0348(5) Uani 1 1 d . . . H8 H 0.4022 0.5449 0.2896 0.042 Uiso 1 1 calc R . . C9 C 0.5916(5) 0.69510(18) 0.27763(9) 0.0433(6) Uani 1 1 d . . . C10 C 0.8088(5) 0.74267(19) 0.24330(11) 0.0569(7) Uani 1 1 d . . . H10A H 0.9515 0.7655 0.2673 0.068 Uiso 1 1 calc R . . H10B H 0.7451 0.8078 0.2240 0.068 Uiso 1 1 calc R . . C11 C 0.9115(5) 0.6590(2) 0.20125(10) 0.0546(7) Uani 1 1 d . . . H11 H 1.0632 0.6870 0.1807 0.066 Uiso 1 1 calc R . . C12 C 0.6942(5) 0.6215(2) 0.16399(10) 0.0581(7) Uani 1 1 d . . . H12 H 0.6473 0.6541 0.1306 0.070 Uiso 1 1 calc R . . C13 C 0.5816(5) 0.5350(2) 0.18658(9) 0.0499(6) Uani 1 1 d . . . H13 H 0.4400 0.4959 0.1721 0.060 Uiso 1 1 calc R . . C14 C 0.7198(4) 0.50975(18) 0.23959(9) 0.0381(5) Uani 1 1 d . . . H14 H 0.7328 0.4298 0.2461 0.046 Uiso 1 1 calc R . . C15 C 0.5020(7) 0.6561(2) 0.60355(10) 0.0725(9) Uani 1 1 d . . . H15A H 0.5239 0.6160 0.6375 0.087 Uiso 1 1 calc R . . H15B H 0.3191 0.6715 0.5978 0.087 Uiso 1 1 calc R . . H15C H 0.5976 0.7246 0.6055 0.087 Uiso 1 1 calc R . . H1 H 0.545(5) 0.4161(18) 0.3655(9) 0.042(7) 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 0.0417(3) 0.0487(3) 0.0383(3) 0.0036(3) 0.0021(3) 0.0116(3) O1 0.0337(8) 0.0571(10) 0.0554(10) 0.0117(8) 0.0074(8) 0.0069(7) O2 0.0854(15) 0.0518(10) 0.0814(13) -0.0066(9) 0.0122(12) 0.0291(11) O3 0.0374(8) 0.0946(14) 0.0589(11) 0.0032(10) 0.0026(8) 0.0164(9) O4 0.0883(13) 0.0385(9) 0.0508(10) 0.0049(8) 0.0030(10) 0.0169(9) N1 0.0360(10) 0.0420(11) 0.0370(11) 0.0045(8) 0.0030(8) -0.0007(8) C1 0.0413(12) 0.0452(12) 0.0335(12) 0.0055(10) -0.0043(10) 0.0046(10) C2 0.0593(15) 0.0417(12) 0.0386(13) 0.0015(10) 0.0003(11) -0.0042(12) C3 0.0637(15) 0.0561(15) 0.0359(14) 0.0044(11) 0.0066(12) -0.0021(13) C4 0.0639(15) 0.0474(14) 0.0349(12) 0.0005(10) -0.0111(12) 0.0068(13) C5 0.0658(16) 0.0415(12) 0.0571(16) -0.0035(12) -0.0114(14) -0.0048(13) C6 0.0484(13) 0.0555(14) 0.0518(15) 0.0051(12) 0.0010(13) -0.0079(13) C7 0.0454(12) 0.0391(12) 0.0376(12) -0.0015(10) -0.0018(10) -0.0004(10) C8 0.0319(11) 0.0375(11) 0.0350(11) 0.0008(9) -0.0006(9) 0.0025(10) C9 0.0501(13) 0.0367(12) 0.0430(13) -0.0011(10) -0.0101(12) 0.0099(12) C10 0.0623(16) 0.0395(13) 0.0687(18) 0.0091(12) -0.0047(14) -0.0053(12) C11 0.0480(15) 0.0568(15) 0.0591(15) 0.0223(12) 0.0090(13) -0.0010(12) C12 0.0668(16) 0.0692(17) 0.0384(14) 0.0116(13) 0.0068(12) 0.0158(15) C13 0.0558(15) 0.0570(15) 0.0369(13) -0.0083(11) -0.0041(12) 0.0025(13) C14 0.0385(11) 0.0351(11) 0.0407(13) -0.0001(10) 0.0026(10) 0.0009(9) C15 0.096(2) 0.0696(19) 0.0520(17) -0.0140(13) -0.0023(17) 0.0169(17) _geom_special_details ; All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. ; loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag S1 O4 1.4275(16) . ? S1 O3 1.4330(17) . ? S1 N1 1.6252(19) . ? S1 C1 1.763(2) . ? O1 C14 1.426(3) . ? O1 C11 1.447(3) . ? O2 C9 1.206(3) . ? N1 C7 1.467(3) . ? N1 H1 0.79(2) . ? C1 C2 1.379(3) . ? C1 C6 1.382(3) . ? C2 C3 1.379(3) . ? C2 H2 0.9300 . ? C3 C4 1.385(3) . ? C3 H3 0.9300 . ? C4 C5 1.382(3) . ? C4 C15 1.507(3) . ? C5 C6 1.382(3) . ? C5 H5 0.9300 . ? C6 H6 0.9300 . ? C7 C8 1.528(3) . ? C7 H7A 0.9700 . ? C7 H7B 0.9700 . ? C8 C14 1.527(3) . ? C8 C9 1.537(3) . ? C8 H8 0.9800 . ? C9 C10 1.498(3) . ? C10 C11 1.526(3) . ? C10 H10A 0.9700 . ? C10 H10B 0.9700 . ? C11 C12 1.498(4) . ? C11 H11 0.9800 . ? C12 C13 1.311(3) . ? C12 H12 0.9300 . ? C13 C14 1.495(3) . ? C13 H13 0.9300 . ? C14 H14 0.9800 . ? C15 H15A 0.9600 . ? C15 H15B 0.9600 . ? C15 H15C 0.9600 . ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag O4 S1 O3 120.21(11) . . ? O4 S1 N1 106.40(11) . . ? O3 S1 N1 105.91(10) . . ? O4 S1 C1 108.65(11) . . ? O3 S1 C1 108.21(11) . . ? N1 S1 C1 106.69(10) . . ? C14 O1 C11 103.02(16) . . ? C7 N1 S1 117.79(15) . . ? C7 N1 H1 110.5(16) . . ? S1 N1 H1 108.2(16) . . ? C2 C1 C6 120.1(2) . . ? C2 C1 S1 119.05(17) . . ? C6 C1 S1 120.66(18) . . ? C3 C2 C1 119.6(2) . . ? C3 C2 H2 120.2 . . ? C1 C2 H2 120.2 . . ? C2 C3 C4 121.2(2) . . ? C2 C3 H3 119.4 . . ? C4 C3 H3 119.4 . . ? C5 C4 C3 118.4(2) . . ? C5 C4 C15 121.3(2) . . ? C3 C4 C15 120.3(3) . . ? C4 C5 C6 121.1(2) . . ? C4 C5 H5 119.5 . . ? C6 C5 H5 119.5 . . ? C1 C6 C5 119.6(2) . . ? C1 C6 H6 120.2 . . ? C5 C6 H6 120.2 . . ? N1 C7 C8 110.60(17) . . ? N1 C7 H7A 109.5 . . ? C8 C7 H7A 109.5 . . ? N1 C7 H7B 109.5 . . ? C8 C7 H7B 109.5 . . ? H7A C7 H7B 108.1 . . ? C14 C8 C7 113.08(17) . . ? C14 C8 C9 109.71(17) . . ? C7 C8 C9 107.25(16) . . ? C14 C8 H8 108.9 . . ? C7 C8 H8 108.9 . . ? C9 C8 H8 108.9 . . ? O2 C9 C10 121.9(2) . . ? O2 C9 C8 119.4(2) . . ? C10 C9 C8 118.68(19) . . ? C9 C10 C11 111.7(2) . . ? C9 C10 H10A 109.3 . . ? C11 C10 H10A 109.3 . . ? C9 C10 H10B 109.3 . . ? C11 C10 H10B 109.3 . . ? H10A C10 H10B 107.9 . . ? O1 C11 C12 102.26(19) . . ? O1 C11 C10 106.44(19) . . ? C12 C11 C10 110.4(2) . . ? O1 C11 H11 112.4 . . ? C12 C11 H11 112.4 . . ? C10 C11 H11 112.4 . . ? C13 C12 C11 108.2(2) . . ? C13 C12 H12 125.9 . . ? C11 C12 H12 125.9 . . ? C12 C13 C14 108.3(2) . . ? C12 C13 H13 125.8 . . ? C14 C13 H13 125.8 . . ? O1 C14 C13 102.99(18) . . ? O1 C14 C8 107.90(17) . . ? C13 C14 C8 110.20(17) . . ? O1 C14 H14 111.8 . . ? C13 C14 H14 111.8 . . ? C8 C14 H14 111.8 . . ? C4 C15 H15A 109.5 . . ? C4 C15 H15B 109.5 . . ? H15A C15 H15B 109.5 . . ? C4 C15 H15C 109.5 . . ? H15A C15 H15C 109.5 . . ? H15B C15 H15C 109.5 . . ? loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA _geom_hbond_site_symmetry_A N1 H1 O3 0.79(2) 2.19(2) 2.958(3) 166(2) 1_455 _diffrn_measured_fraction_theta_max 0.999 _diffrn_reflns_theta_full 25.02 _diffrn_measured_fraction_theta_full 0.999 _refine_diff_density_max 0.172 _refine_diff_density_min -0.208 _refine_diff_density_rms 0.034 _database_code_depnum_ccdc_archive 'CCDC 976137'