Supramolecular interactions in some organic hydrated 2,4,6-triaminopyrimidinium carboxylate and sulfate salts.
Sangavi, Marimuthu; Kumaraguru, Narayanasamy; McMillen, Colin D.; Butcher, Ray J.; Acta crystallographica. Section C, Structural chemistry 79 (2023) –; doi:10.1107/S205322962300829X

data_2312311
_publ_section_title
;
 Supramolecular interactions in some organic hydrated
 2,4,6-triaminopyrimidinium carboxylate and sulfate salts.
;
_journal_coeditor_code           DG3044
_journal_issue                   10
_journal_name_full
'Acta crystallographica. Section C, Structural chemistry'
_journal_paper_doi               10.1107/S205322962300829X
_journal_volume                  79
_journal_year                    2023
_chemical_formula_iupac          'C4 H9 O2 N5 2+, C7 H3 N1 O4 2-, 2H2 O1'
_chemical_formula_moiety         'C4 H9 O2 N5 2+, C7 H3 N1 O4 2-, 2(H2 O1)'
_chemical_formula_sum            'C11 H16 N6 O6'
_chemical_formula_weight         328.30
_chemical_name_systematic
;
2,4,6-Triaminopyrimidinediium pyridine-2,6-dicarboxylate dihydrate
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 102.433(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.2567(10)
_cell_length_b                   12.7736(14)
_cell_length_c                   13.2612(17)
_cell_measurement_reflns_used    9940
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.77
_cell_measurement_theta_min      2.24
_cell_volume                     1365.8(3)
_computing_cell_refinement
;
SAINT (Bruker, 2016)
;
_computing_data_collection
;
APEX3 (Bruker, 2016)
;
_computing_data_reduction
;
SAINT (Bruker, 2016)
;
_computing_molecular_graphics
;
PLATON (Spek, 2020), Mercury (Macrae <i>et al.</i>, 2020)
and POVRay (Cason, 2004)
;
_computing_publication_material
;
PLATON (Spek, 2020) and publCIF (Westrip, 2010)
;
_computing_structure_refinement
;
SHELXL2016 (Sheldrick, 2015<i>b</i>)
;
_computing_structure_solution
;
SHELXT2014 (Sheldrick, 2015<i>a</i>)
;
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8 Venture Photon 2'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0619
_diffrn_reflns_av_unetI/netI     0.0264
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            32550
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.790
_diffrn_reflns_theta_min         2.239
_diffrn_source                   'Incoatec I\mS'
_exptl_absorpt_coefficient_mu    0.132
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9324
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2016)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.597
_exptl_crystal_description       block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.072
_exptl_crystal_size_mid          0.067
_exptl_crystal_size_min          0.055
_refine_diff_density_max         0.258
_refine_diff_density_min         -0.244
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         2912
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0459
_refine_ls_R_factor_gt           0.0343
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0413P)^2^+0.6912P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0836
_refine_ls_wR_factor_ref         0.0912
_reflns_number_gt                2381
_reflns_number_total             2912
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            dg3044sup1.cif
_cod_data_source_block           II
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2312311
_shelx_estimated_absorpt_t_min   0.991
_shelx_estimated_absorpt_t_max   0.993
_shelx_hkl_checksum              701
_shelx_res_checksum              27514
_cod_database_fobs_code 2312311