#------------------------------------------------------------------------------ #$Date: 2011-04-07 13:42:46 +0300 (Thu, 07 Apr 2011) $ #$Revision: 17402 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2229357.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_2229357 loop_ _publ_author_name 'Berrah, Fadila' 'Ouakkaf, Amira' 'Bouacida, Sofiane' 'Roisnel, Thierry' _publ_section_title ; Bis(2-amino-3-carboxypyrazin-1-ium) sulfate dihydrate ; _journal_coeditor_code DN2656 _journal_issue 3 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first o677 _journal_page_last o678 _journal_volume 67 _journal_year 2011 _chemical_formula_iupac '2C5 H6 N3 O2 +, S O4 2-, 2H2 O' _chemical_formula_moiety '2(C5 H6 N3 O2 +), O4 S 2-, 2(H2 O)' _chemical_formula_structural '2(C5 H6 N3 O2), O4 S, 2(H2 O)' _chemical_formula_sum 'C10 H16 N6 O10 S' _chemical_formula_weight 412.36 _chemical_name_common 'Bis (2-Amino-3-carboxypyrazin-1-ium) sulfate dihydrate.' _chemical_name_systematic ; Bis(2-amino-3-carboxypyrazin-1-ium) sulfate dihydrate ; _space_group_crystal_system monoclinic _space_group_IT_number 14 _space_group_name_Hall '-P 2yab' _space_group_name_H-M_alt 'P 1 21/a 1' _symmetry_space_group_name_Hall '-P 2yab' _symmetry_space_group_name_H-M 'P 1 21/a 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _cell_angle_alpha 90 _cell_angle_beta 109.299(2) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 7.7214(4) _cell_length_b 20.7043(14) _cell_length_c 10.6398(7) _cell_measurement_reflns_used 5179 _cell_measurement_temperature 150(2) _cell_measurement_theta_max 27.5 _cell_measurement_theta_min 2.83 _cell_volume 1605.36(17) _computing_cell_refinement 'SAINT (Bruker, 2001)' _computing_data_collection 'APEX2 (Bruker,2001)' _computing_data_reduction 'SAINT (Bruker, 2001)' _computing_molecular_graphics 'ORTEP-3 for Windows (Farrugia, 1997) and DIAMOND (Brandenburg & Berndt, 2001)' _computing_publication_material 'WinGX (Farrugia, 1999)' _computing_structure_refinement 'SHELXL97 (Sheldrick,2008)' _computing_structure_solution 'SIR2002 (Burla et al., 2003)' _diffrn_ambient_temperature 150(2) _diffrn_measured_fraction_theta_full 0.991 _diffrn_measured_fraction_theta_max 0.991 _diffrn_measurement_device_type 'Bruker APEXII' _diffrn_measurement_method 'CCD rotation images, thin slices' _diffrn_radiation_monochromator graphite _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0386 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_h_min -8 _diffrn_reflns_limit_k_max 26 _diffrn_reflns_limit_k_min -26 _diffrn_reflns_limit_l_max 13 _diffrn_reflns_limit_l_min -13 _diffrn_reflns_number 13466 _diffrn_reflns_theta_full 27.57 _diffrn_reflns_theta_max 27.57 _diffrn_reflns_theta_min 2.25 _exptl_absorpt_coefficient_mu 0.274 _exptl_absorpt_correction_T_max 0.960 _exptl_absorpt_correction_T_min 0.708 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details '(SADABS; Sheldrick, 2002)' _exptl_crystal_colour Yellow _exptl_crystal_density_diffrn 1.706 _exptl_crystal_density_method 'not measured' _exptl_crystal_description prism _exptl_crystal_F_000 856 _exptl_crystal_size_max 0.55 _exptl_crystal_size_mid 0.36 _exptl_crystal_size_min 0.15 _refine_diff_density_max 0.47 _refine_diff_density_min -0.481 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.027 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 246 _refine_ls_number_reflns 3675 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.027 _refine_ls_R_factor_all 0.0423 _refine_ls_R_factor_gt 0.0353 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0491P)^2^+0.7394P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.092 _refine_ls_wR_factor_ref 0.0963 _reflns_number_gt 3146 _reflns_number_total 3675 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file dn2656.cif _[local]_cod_data_source_block I _cod_database_code 2229357 loop_ _space_group_symop_operation_xyz 'x, y, z' '-x+1/2, y+1/2, -z' '-x, -y, -z' 'x-1/2, -y-1/2, z' loop_ _atom_site_type_symbol _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 O O5A 0.17659(16) 0.04617(6) 0.03501(11) 0.0221(3) Uani d . 1 . . H H5A 0.1515 0.0732 -0.0273 0.033 Uiso calc R 1 . . O O6A 0.03846(18) 0.11842(6) 0.12557(11) 0.0258(3) Uani d . 1 . . N N1A 0.0567(2) 0.10587(7) 0.37979(13) 0.0231(3) Uani d . 1 . . H H1A1 0.0399 0.1167 0.4549 0.028 Uiso calc R 1 . . H H1A2 0.0122 0.1303 0.3087 0.028 Uiso calc R 1 . . N N2A 0.21592(19) 0.01604(6) 0.48490(13) 0.0195(3) Uani d . 1 . . H H2A 0.1989 0.0288 0.5588 0.023 Uiso calc R 1 . . N N3A 0.27826(19) -0.02410(6) 0.25952(13) 0.0194(3) Uani d . 1 . . C C1A 0.1266(2) 0.06905(7) 0.13275(15) 0.0185(3) Uani d . 1 . . C C2A 0.1875(2) 0.02980(7) 0.25829(15) 0.0177(3) Uani d . 1 . . C C3A 0.1485(2) 0.05305(7) 0.37379(15) 0.0183(3) Uani d . 1 . . C C4A 0.3079(2) -0.03946(8) 0.48622(16) 0.0207(3) Uani d . 1 . . H H4A 0.3518 -0.0644 0.5654 0.025 Uiso calc R 1 . . C C5A 0.3374(2) -0.05941(8) 0.37264(16) 0.0214(3) Uani d . 1 . . H H5C 0.4006 -0.0988 0.3731 0.026 Uiso calc R 1 . . O O5B -0.03794(19) 0.32977(6) 1.37046(12) 0.0273(3) Uani d . 1 . . H H5B -0.0768 0.3055 1.4185 0.041 Uiso calc R 1 . . O O6B -0.03786(17) 0.23824(5) 1.25812(11) 0.0241(3) Uani d . 1 . . N N1B 0.0619(2) 0.24559(7) 1.03668(14) 0.0238(3) Uani d . 1 . . H H1B1 0.0821 0.2313 0.9649 0.029 Uiso calc R 1 . . H H1B2 0.0315 0.2184 1.0895 0.029 Uiso calc R 1 . . N N2B 0.12393(19) 0.34886(7) 0.98346(13) 0.0205(3) Uani d . 1 . . H H2B 0.1422 0.3332 0.912 0.025 Uiso calc R 1 . . N N3B 0.07073(19) 0.39911(6) 1.20349(13) 0.0206(3) Uani d . 1 . . C C1B -0.0126(2) 0.29617(8) 1.27448(15) 0.0196(3) Uani d . 1 . . C C2B 0.0482(2) 0.33663(7) 1.17934(14) 0.0178(3) Uani d . 1 . . C C3B 0.0773(2) 0.30786(8) 1.06522(15) 0.0187(3) Uani d . 1 . . C C4B 0.1438(2) 0.41269(8) 1.00633(16) 0.0227(3) Uani d . 1 . . H H4B 0.1752 0.4403 0.9458 0.027 Uiso calc R 1 . . C C5B 0.1180(2) 0.43737(8) 1.11810(16) 0.0233(3) Uani d . 1 . . H H5D 0.1338 0.4824 1.1357 0.028 Uiso calc R 1 . . S S1 0.15317(5) 0.131125(18) 0.73117(4) 0.01813(11) Uani d . 1 . . O O1 0.2146(2) 0.06509(6) 0.71883(12) 0.0337(3) Uani d . 1 . . O O2 0.09536(18) 0.13565(6) 0.85065(12) 0.0262(3) Uani d . 1 . . O O3 0.30149(17) 0.17773(7) 0.74478(12) 0.0306(3) Uani d . 1 . . O O4 -0.00482(16) 0.14708(6) 0.61180(11) 0.0236(3) Uani d . 1 . . O O1W 0.23309(17) 0.30737(6) 0.78406(12) 0.0262(3) Uani d . 1 . . H H1W 0.2465 0.2676 0.7697 0.039 Uiso d R 1 . . H H2W 0.3352 0.3253 0.7903 0.039 Uiso d R 1 . . O O2W -0.15818(19) 0.26453(6) 1.52193(12) 0.0296(3) Uani d . 1 . . H H3W -0.1068 0.2285 1.5511 0.044 Uiso d R 1 . . H H4W -0.1653 0.2863 1.5886 0.044 Uiso d R 1 . . 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 O5A 0.0332(7) 0.0213(6) 0.0140(5) 0.0044(5) 0.0109(5) 0.0030(4) O6A 0.0400(7) 0.0206(6) 0.0184(6) 0.0076(5) 0.0115(5) 0.0036(4) N1A 0.0340(8) 0.0227(7) 0.0140(6) 0.0063(6) 0.0100(6) 0.0012(5) N2A 0.0269(7) 0.0193(6) 0.0128(6) -0.0002(5) 0.0072(5) 0.0001(5) N3A 0.0253(7) 0.0168(6) 0.0158(6) -0.0013(5) 0.0063(5) -0.0003(5) C1A 0.0232(8) 0.0172(7) 0.0153(7) -0.0026(6) 0.0065(6) -0.0007(6) C2A 0.0225(8) 0.0159(7) 0.0154(7) -0.0020(6) 0.0072(6) -0.0008(6) C3A 0.0229(8) 0.0175(7) 0.0144(7) -0.0027(6) 0.0062(6) -0.0007(6) C4A 0.0259(8) 0.0177(7) 0.0168(7) -0.0016(6) 0.0048(6) 0.0035(6) C5A 0.0279(9) 0.0163(7) 0.0186(7) 0.0011(6) 0.0056(6) 0.0000(6) O5B 0.0480(8) 0.0198(6) 0.0201(6) -0.0009(5) 0.0194(5) -0.0004(5) O6B 0.0355(7) 0.0185(6) 0.0193(6) -0.0015(5) 0.0104(5) 0.0003(4) N1B 0.0372(8) 0.0188(7) 0.0167(6) -0.0035(6) 0.0105(6) -0.0037(5) N2B 0.0267(7) 0.0221(7) 0.0128(6) -0.0027(5) 0.0069(5) -0.0024(5) N3B 0.0267(7) 0.0172(6) 0.0167(6) 0.0005(5) 0.0056(5) -0.0008(5) C1B 0.0231(8) 0.0198(8) 0.0141(7) 0.0019(6) 0.0039(6) 0.0008(6) C2B 0.0216(8) 0.0173(7) 0.0127(7) 0.0005(6) 0.0033(6) 0.0001(5) C3B 0.0203(8) 0.0194(7) 0.0142(7) -0.0010(6) 0.0029(6) -0.0014(6) C4B 0.0276(9) 0.0201(8) 0.0195(7) -0.0035(6) 0.0068(6) 0.0020(6) C5B 0.0324(9) 0.0177(7) 0.0193(7) -0.0019(6) 0.0077(7) 0.0004(6) S1 0.0259(2) 0.01758(19) 0.01276(18) 0.00290(14) 0.00883(15) 0.00224(13) O1 0.0605(9) 0.0245(6) 0.0186(6) 0.0188(6) 0.0163(6) 0.0047(5) O2 0.0429(7) 0.0230(6) 0.0193(6) 0.0051(5) 0.0192(5) 0.0035(5) O3 0.0291(7) 0.0384(7) 0.0238(6) -0.0067(5) 0.0080(5) 0.0029(5) O4 0.0266(6) 0.0246(6) 0.0179(6) 0.0031(5) 0.0049(5) 0.0017(4) O1W 0.0294(6) 0.0273(6) 0.0252(6) -0.0009(5) 0.0136(5) -0.0005(5) O2W 0.0460(8) 0.0244(6) 0.0229(6) 0.0086(5) 0.0174(6) 0.0061(5) 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 0 '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 0.006 '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 C1A O5A H5A . . 109.5 ? C3A N1A H1A1 . . 120 ? C3A N1A H1A2 . . 120 ? H1A1 N1A H1A2 . . 120 ? C4A N2A C3A . . 122.57(14) ? C4A N2A H2A . . 118.7 ? C3A N2A H2A . . 118.7 ? C2A N3A C5A . . 119.32(14) ? O6A C1A O5A . . 123.99(14) ? O6A C1A C2A . . 121.03(14) ? O5A C1A C2A . . 114.98(13) ? N3A C2A C3A . . 122.39(14) ? N3A C2A C1A . . 118.54(14) ? C3A C2A C1A . . 119.06(14) ? N1A C3A N2A . . 118.94(14) ? N1A C3A C2A . . 125.91(14) ? N2A C3A C2A . . 115.15(14) ? N2A C4A C5A . . 119.33(14) ? N2A C4A H4A . . 120.3 ? C5A C4A H4A . . 120.3 ? N3A C5A C4A . . 121.21(15) ? N3A C5A H5C . . 119.4 ? C4A C5A H5C . . 119.4 ? C1B O5B H5B . . 109.5 ? C3B N1B H1B1 . . 120 ? C3B N1B H1B2 . . 120 ? H1B1 N1B H1B2 . . 120 ? C4B N2B C3B . . 122.81(14) ? C4B N2B H2B . . 118.6 ? C3B N2B H2B . . 118.6 ? C2B N3B C5B . . 119.63(14) ? O6B C1B O5B . . 125.38(15) ? O6B C1B C2B . . 121.55(14) ? O5B C1B C2B . . 113.05(14) ? N3B C2B C3B . . 121.62(14) ? N3B C2B C1B . . 117.76(14) ? C3B C2B C1B . . 120.62(14) ? N1B C3B N2B . . 119.31(15) ? N1B C3B C2B . . 124.91(15) ? N2B C3B C2B . . 115.78(14) ? N2B C4B C5B . . 118.98(15) ? N2B C4B H4B . . 120.5 ? C5B C4B H4B . . 120.5 ? N3B C5B C4B . . 121.17(15) ? N3B C5B H5D . . 119.4 ? C4B C5B H5D . . 119.4 ? O1 S1 O3 . . 110.91(9) ? O1 S1 O4 . . 109.31(7) ? O3 S1 O4 . . 109.46(7) ? O1 S1 O2 . . 109.47(7) ? O3 S1 O2 . . 108.66(7) ? O4 S1 O2 . . 109.00(7) ? H1W O1W H2W . . 105.7 ? H3W O2W H4W . . 108 ? 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 O5A C1A . 1.3116(19) ? O5A H5A . 0.84 ? O6A C1A . 1.216(2) ? N1A C3A . 1.316(2) ? N1A H1A1 . 0.88 ? N1A H1A2 . 0.88 ? N2A C4A . 1.349(2) ? N2A C3A . 1.360(2) ? N2A H2A . 0.88 ? N3A C2A . 1.315(2) ? N3A C5A . 1.352(2) ? C1A C2A . 1.500(2) ? C2A C3A . 1.442(2) ? C4A C5A . 1.365(2) ? C4A H4A . 0.95 ? C5A H5C . 0.95 ? O5B C1B . 1.3028(19) ? O5B H5B . 0.84 ? O6B C1B . 1.218(2) ? N1B C3B . 1.321(2) ? N1B H1B1 . 0.88 ? N1B H1B2 . 0.88 ? N2B C4B . 1.343(2) ? N2B C3B . 1.347(2) ? N2B H2B . 0.88 ? N3B C2B . 1.319(2) ? N3B C5B . 1.344(2) ? C1B C2B . 1.503(2) ? C2B C3B . 1.435(2) ? C4B C5B . 1.368(2) ? C4B H4B . 0.95 ? C5B H5D . 0.95 ? S1 O1 . 1.4670(12) ? S1 O3 . 1.4677(13) ? S1 O4 . 1.4786(12) ? S1 O2 . 1.4831(12) ? O1W H1W . 0.8491 ? O1W H2W . 0.8542 ? O2W H3W . 0.8543 ? O2W H4W . 0.8582 ? 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 N1A H1A1 O4 . 0.88 1.92 2.7970(18) 175.3 yes N1A H1A2 O6A . 0.88 2.04 2.6741(18) 128.1 yes N1A H1A2 O6B 1_554 0.88 2.30 3.0158(18) 138.4 yes N2A H2A O1 . 0.88 1.83 2.6915(18) 166.5 yes N1B H1B1 O2 . 0.88 2.34 3.0827(18) 141.8 yes N1B H1B2 O6B . 0.88 2.08 2.7144(19) 128.7 yes N1B H1B2 O6A 1_556 0.88 2.10 2.8237(18) 138.6 yes N2B H2B O1W . 0.88 1.81 2.6705(18) 166.8 yes O5B H5B O2W . 0.84 1.67 2.5046(17) 173.7 yes O5A H5A O2 1_554 0.84 1.78 2.6192(16) 174.9 yes O1W H1W O3 . 0.85 1.95 2.7934(19) 174.7 yes O1W H2W O2 4_665 0.85 2.06 2.8996(18) 167 yes O1W H2W O4 4_665 0.85 2.65 3.2856(17) 132.5 yes O2W H3W O4 1_556 0.85 1.88 2.7351(17) 177.2 yes O2W H4W O3 4_566 0.86 1.91 2.7633(17) 170.5 yes C4A H4A O5B 2_547 0.95 2.58 3.320(2) 134.4 ? C4A H4A N3B 2_547 0.95 2.45 3.369(2) 162.7 ? C4B H4B O5A 2_556 0.95 2.45 3.187(2) 134.3 ? C4B H4B N3A 2_556 0.95 2.44 3.347(2) 159 ? C5A H5C O1W 2_546 0.95 2.55 3.175(2) 123.7 ? C5B H5D O1 2_557 0.95 2.35 3.192(2) 148.1 ? 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 C5A N3A C2A C3A . . . . 0.1(2) ? C5A N3A C2A C1A . . . . 178.70(14) ? O6A C1A C2A N3A . . . . 178.18(15) ? O5A C1A C2A N3A . . . . -2.2(2) ? O6A C1A C2A C3A . . . . -3.2(2) ? O5A C1A C2A C3A . . . . 176.41(14) ? C4A N2A C3A N1A . . . . 178.56(15) ? C4A N2A C3A C2A . . . . -1.9(2) ? N3A C2A C3A N1A . . . . -179.04(16) ? C1A C2A C3A N1A . . . . 2.4(2) ? N3A C2A C3A N2A . . . . 1.5(2) ? C1A C2A C3A N2A . . . . -177.09(13) ? C3A N2A C4A C5A . . . . 0.8(2) ? C2A N3A C5A C4A . . . . -1.4(2) ? N2A C4A C5A N3A . . . . 0.9(2) ? C5B N3B C2B C3B . . . . 1.6(2) ? C5B N3B C2B C1B . . . . -177.43(14) ? O6B C1B C2B N3B . . . . 179.35(15) ? O5B C1B C2B N3B . . . . 0.9(2) ? O6B C1B C2B C3B . . . . 0.3(2) ? O5B C1B C2B C3B . . . . -178.12(14) ? C4B N2B C3B N1B . . . . -179.42(15) ? C4B N2B C3B C2B . . . . 0.5(2) ? N3B C2B C3B N1B . . . . 178.17(15) ? C1B C2B C3B N1B . . . . -2.9(2) ? N3B C2B C3B N2B . . . . -1.7(2) ? C1B C2B C3B N2B . . . . 177.27(14) ? C3B N2B C4B C5B . . . . 0.8(2) ? C2B N3B C5B C4B . . . . -0.2(3) ? N2B C4B C5B N3B . . . . -1.0(3) ?