data_2203323 loop_ _publ_author_name 'Daniel E. Lynch' 'Ian McClenaghan' _publ_section_title ; 4-Hydroxy-6-methyl-2-(sulfonatoethylsulfanyl)pyrimidin-1-ium monohydrate ; _journal_issue 3 _journal_name_full 'Acta Crystallographica, Section E' _journal_page_first o376 _journal_page_last o377 _journal_volume 60 _journal_year 2004 _chemical_formula_iupac 'C7 H10 N2 O4 S2, H2 O' _chemical_formula_moiety 'C7 H10 N2 O4 S2, H2 O' _chemical_formula_sum 'C7 H12 N2 O5 S2' _chemical_formula_weight 268.31 _chemical_name_common ? _chemical_name_systematic ; 4-Hydroxy-6-methyl-2-(sulfonatoethylsulfanyl)pyrimidin-1-ium monohydrate ; _symmetry_cell_setting Monoclinic _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 21/n' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 91.0483(18) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 6.1137(2) _cell_length_b 11.2202(3) _cell_length_c 15.9632(6) _cell_measurement_reflns_used 7654 _cell_measurement_temperature 120(2) _cell_measurement_theta_max 27.48 _cell_measurement_theta_min 2.91 _cell_volume 1094.84(6) _computing_cell_refinement 'DENZO and COLLECT' _computing_data_collection 'DENZO (Otwinowski & Minor, 1997) and COLLECT (Hooft, 1998)' _computing_data_reduction 'DENZO, SCALEPACK (Otwinowski & Minor, 1997) and COLLECT' _computing_molecular_graphics 'PLATON97 (Spek, 1997)' _computing_publication_material SHELXL97 _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS97 (Sheldrick, 1997)' _diffrn_ambient_temperature 120(2) _diffrn_detector_area_resol_mean 9.091 _diffrn_measured_fraction_theta_full 0.942 _diffrn_measured_fraction_theta_max 0.942 _diffrn_measurement_device_type 'Bruker--Nonius KappaCCD area-detector' _diffrn_measurement_method '\f and \w' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'Bruker--Nonius FR591 rotating anode' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0519 _diffrn_reflns_av_sigmaI/netI 0.0334 _diffrn_reflns_limit_h_max 7 _diffrn_reflns_limit_h_min -7 _diffrn_reflns_limit_k_max 13 _diffrn_reflns_limit_k_min -13 _diffrn_reflns_limit_l_max 18 _diffrn_reflns_limit_l_min -18 _diffrn_reflns_number 11989 _diffrn_reflns_theta_full 25.00 _diffrn_reflns_theta_max 24.99 _diffrn_reflns_theta_min 3.13 _diffrn_standards_decay_% 0 _diffrn_standards_interval_count ? _diffrn_standards_interval_time ? _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 0.495 _exptl_absorpt_correction_T_max 0.961 _exptl_absorpt_correction_T_min 0.932 _exptl_absorpt_correction_type Multi-scan _exptl_absorpt_process_details '(SORTAV; Blessing, 1995)' _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.628 _exptl_crystal_density_meas ? _exptl_crystal_density_method 'not measured' _exptl_crystal_description prism _exptl_crystal_F_000 560 _exptl_crystal_size_max 0.35 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.08 _refine_diff_density_max 0.215 _refine_diff_density_min -0.485 _refine_ls_extinction_coef ? _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.073 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 162 _refine_ls_number_reflns 1920 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.073 _refine_ls_R_factor_all 0.0423 _refine_ls_R_factor_gt 0.0321 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w = 1/[\s^2^(Fo^2^)+(0.0425P)^2^+0.5029P] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0771 _refine_ls_wR_factor_ref 0.0819 _reflns_number_gt 1619 _reflns_number_total 1920 _reflns_threshold_expression I>2\s(I) loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x-1/2, -y-1/2, z-1/2' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol N1 0.5271(3) 0.37582(15) 0.10006(11) 0.0146(4) Uani d . 1 . . N H1 0.559(4) 0.451(2) 0.1012(16) 0.027(7) Uiso d . 1 . . H C2 0.3494(3) 0.33538(17) 0.14014(12) 0.0139(4) Uani d . 1 . . C S21 0.20999(8) 0.44136(4) 0.19888(3) 0.01700(17) Uani d . 1 . . S C22 -0.0187(3) 0.35287(18) 0.23366(13) 0.0163(5) Uani d . 1 . . C H221 -0.1402 0.4071 0.2478 0.020 Uiso calc R 1 . . H H222 -0.0697 0.3018 0.1867 0.020 Uiso calc R 1 . . H C23 0.0318(3) 0.27423(18) 0.30892(13) 0.0161(4) Uani d . 1 . . C H231 0.0684 0.3244 0.3582 0.020 Uiso calc R 1 . . H H232 0.1595 0.2230 0.2972 0.020 Uiso calc R 1 . . H S24 -0.19989(8) 0.18388(4) 0.33057(3) 0.01565(16) Uani d . 1 . . S O25 -0.3790(2) 0.26434(13) 0.34850(11) 0.0264(4) Uani d . 1 . . O O26 -0.1371(2) 0.11032(12) 0.40262(9) 0.0213(4) Uani d . 1 . . O O27 -0.2422(3) 0.11280(13) 0.25562(10) 0.0247(4) Uani d . 1 . . O N3 0.2810(3) 0.22453(14) 0.13575(11) 0.0160(4) Uani d . 1 . . N C4 0.4018(3) 0.14818(18) 0.09037(13) 0.0170(5) Uani d . 1 . . C O41 0.3365(3) 0.03806(12) 0.08472(10) 0.0231(4) Uani d . 1 . . O H41 0.183(6) 0.026(3) 0.104(2) 0.069(11) Uiso d . 1 . . H C5 0.5926(3) 0.18368(18) 0.04977(13) 0.0167(5) Uani d . 1 . . C H5 0.6789 0.1275 0.0205 0.021 Uiso calc R 1 . . H C6 0.6509(3) 0.30021(18) 0.05327(13) 0.0155(4) Uani d . 1 . . C C61 0.8393(3) 0.35392(19) 0.00879(13) 0.0197(5) Uani d . 1 . . C H611 0.9377 0.2905 -0.0096 0.025 Uiso calc R 1 . . H H612 0.9189 0.4078 0.0468 0.025 Uiso calc R 1 . . H H613 0.7852 0.3987 -0.0401 0.025 Uiso calc R 1 . . H O1W -0.0506(3) 0.00014(15) 0.12299(11) 0.0227(4) Uani d . 1 . . O H1W -0.105(5) 0.035(3) 0.163(2) 0.048(9) Uiso d . 1 . . H H2W -0.076(5) -0.076(3) 0.1329(19) 0.046(8) Uiso d . 1 . . 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 N1 0.0156(9) 0.0125(9) 0.0157(9) -0.0010(7) 0.0015(7) -0.0008(7) C2 0.0139(10) 0.0142(10) 0.0137(10) 0.0014(8) 0.0000(8) 0.0009(8) S21 0.0192(3) 0.0107(3) 0.0214(3) -0.00097(19) 0.0074(2) -0.00142(19) C22 0.0145(11) 0.0140(10) 0.0204(11) 0.0007(8) 0.0047(9) 0.0007(8) C23 0.0158(11) 0.0137(10) 0.0189(11) -0.0020(8) 0.0022(9) 0.0003(8) S24 0.0167(3) 0.0108(3) 0.0197(3) 0.00051(18) 0.0053(2) 0.00069(19) O25 0.0211(8) 0.0151(8) 0.0435(10) 0.0052(6) 0.0145(7) 0.0044(7) O26 0.0264(9) 0.0152(7) 0.0223(8) 0.0006(6) 0.0050(7) 0.0049(6) O27 0.0266(9) 0.0226(8) 0.0249(8) -0.0095(6) 0.0043(7) -0.0050(7) N3 0.0175(9) 0.0123(9) 0.0182(9) -0.0004(7) 0.0032(7) -0.0013(7) C4 0.0213(11) 0.0135(10) 0.0161(11) 0.0029(8) 0.0003(9) -0.0006(8) O41 0.0269(9) 0.0124(8) 0.0304(9) -0.0030(6) 0.0083(7) -0.0048(6) C5 0.0174(11) 0.0160(10) 0.0166(11) 0.0040(8) 0.0033(9) -0.0009(8) C6 0.0145(10) 0.0194(11) 0.0124(10) 0.0024(8) 0.0000(8) 0.0010(8) C61 0.0186(11) 0.0217(11) 0.0190(11) -0.0009(8) 0.0036(9) 0.0003(9) O1W 0.0255(9) 0.0168(9) 0.0258(9) -0.0021(6) 0.0033(7) -0.0015(7) 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_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle _geom_angle_publ_flag C2 N1 C6 . . 120.58(17) ? C2 N1 H1 . . 120.1(17) ? C6 N1 H1 . . 119.2(17) ? N3 C2 N1 . . 123.47(18) ? N3 C2 S21 . . 121.01(15) ? N1 C2 S21 . . 115.52(14) ? C2 S21 C22 . . 100.28(9) ? C23 C22 S21 . . 114.49(15) ? C23 C22 H221 . . 108.6 ? S21 C22 H221 . . 108.6 ? C23 C22 H222 . . 108.6 ? S21 C22 H222 . . 108.6 ? H221 C22 H222 . . 107.6 ? C22 C23 S24 . . 109.48(14) ? C22 C23 H231 . . 109.8 ? S24 C23 H231 . . 109.8 ? C22 C23 H232 . . 109.8 ? S24 C23 H232 . . 109.8 ? H231 C23 H232 . . 108.2 ? O25 S24 O27 . . 112.27(10) ? O25 S24 O26 . . 112.60(9) ? O27 S24 O26 . . 112.16(9) ? O25 S24 C23 . . 106.85(9) ? O27 S24 C23 . . 106.38(9) ? O26 S24 C23 . . 106.01(9) ? C2 N3 C4 . . 116.90(17) ? O41 C4 N3 . . 118.01(18) ? O41 C4 C5 . . 119.62(18) ? N3 C4 C5 . . 122.37(18) ? C4 O41 H41 . . 114(2) ? C6 C5 C4 . . 118.35(18) ? C6 C5 H5 . . 120.8 ? C4 C5 H5 . . 120.8 ? C5 C6 N1 . . 118.22(18) ? C5 C6 C61 . . 125.08(19) ? N1 C6 C61 . . 116.70(18) ? C6 C61 H611 . . 109.5 ? C6 C61 H612 . . 109.5 ? H611 C61 H612 . . 109.5 ? C6 C61 H613 . . 109.5 ? H611 C61 H613 . . 109.5 ? H612 C61 H613 . . 109.5 ? H1W O1W H2W . . 104(3) ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag N1 C2 . 1.349(3) ? N1 C6 . 1.368(3) ? N1 H1 . 0.87(3) ? C2 N3 . 1.314(3) ? C2 S21 . 1.746(2) ? S21 C22 . 1.810(2) ? C22 C23 . 1.518(3) ? C22 H221 . 0.99 ? C22 H222 . 0.99 ? C23 S24 . 1.7810(19) ? C23 H231 . 0.99 ? C23 H232 . 0.99 ? S24 O25 . 1.4518(15) ? S24 O27 . 1.4572(16) ? S24 O26 . 1.4612(15) ? N3 C4 . 1.350(3) ? C4 O41 . 1.301(3) ? C4 C5 . 1.403(3) ? O41 H41 . 1.00(4) ? C5 C6 . 1.356(3) ? C5 H5 . 0.95 ? C6 C61 . 1.491(3) ? C61 H611 . 0.98 ? C61 H612 . 0.98 ? C61 H613 . 0.98 ? O1W H1W . 0.83(3) ? O1W H2W . 0.88(3) ? loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_site_symmetry_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA _geom_hbond_publ_flag N1 H1 O26 2 0.87(3) 1.85(3) 2.716(2) 176(2) yes O41 H41 O1W . 1.00(4) 1.50(4) 2.491(2) 174(3) yes O1W H1W O27 . 0.83(3) 1.92(4) 2.747(2) 177(3) yes O1W H2W O25 2_445 0.88(3) 1.84(4) 2.720(2) 178(3) yes C22 H222 N3 . 0.99 2.46 2.824(3) 101 yes C23 H232 N3 . 0.99 2.70 3.229(3) 114 yes C22 H221 O27 2_455 0.99 2.42 3.268(2) 144 yes C5 H5 O41 3_655 0.95 2.51 3.320(2) 144 yes loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion_site_symmetry_1 _geom_torsion_site_symmetry_2 _geom_torsion_site_symmetry_3 _geom_torsion_site_symmetry_4 _geom_torsion _geom_torsion_publ_flag C6 N1 C2 N3 . . . . -1.7(3) ? C6 N1 C2 S21 . . . . 178.96(15) ? N3 C2 S21 C22 . . . . -3.3(2) ? N1 C2 S21 C22 . . . . 176.12(16) ? C2 S21 C22 C23 . . . . 81.06(16) ? S21 C22 C23 S24 . . . . -175.24(10) ? C22 C23 S24 O25 . . . . -60.42(16) ? C22 C23 S24 O27 . . . . 59.71(16) ? C22 C23 S24 O26 . . . . 179.27(13) ? N1 C2 N3 C4 . . . . 2.1(3) ? S21 C2 N3 C4 . . . . -178.58(15) ? C2 N3 C4 O41 . . . . -179.61(19) ? C2 N3 C4 C5 . . . . 0.4(3) ? O41 C4 C5 C6 . . . . 176.8(2) ? N3 C4 C5 C6 . . . . -3.2(3) ? C4 C5 C6 N1 . . . . 3.5(3) ? C4 C5 C6 C61 . . . . -175.5(2) ? C2 N1 C6 C5 . . . . -1.3(3) ? C2 N1 C6 C61 . . . . 177.84(18) ?