Supramolecular hydrogen-bonding patterns in salts of the antifolate drugs trimethoprim and pyrimethamine
Swinton Darious, Robert; Thomas Muthiah, Packianathan; Perdih, Franc; Acta Crystallographica Section C 74 (2018) –; doi:10.1107/S2053229618004072

data_2021068
_publ_section_title
;
 Supramolecular hydrogen-bonding patterns in salts of the antifolate drugs
 trimethoprim and pyrimethamine
;
_journal_coeditor_code           CU3126
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2053229618004072
_journal_volume                  74
_journal_year                    2018
_chemical_formula_moiety         'C14 H19 N4 O3 +, C5 H Cl2 O2 S -'
_chemical_formula_sum            'C19 H20 Cl2 N4 O5 S'
_chemical_formula_weight         487.35
_chemical_name_common
;
Trimethoprimium 2,5-dichlorothiophene-3-carboxylate monohydrate
;
_chemical_name_systematic
;
2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidin-1-ium
2,5-dichlorothiophene-3-carboxylate
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 106.080(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.0030(3)
_cell_length_b                   28.2985(15)
_cell_length_c                   11.5070(6)
_cell_measurement_reflns_used    3912
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.2430
_cell_measurement_theta_min      3.3330
_cell_volume                     2191.2(2)
_computing_cell_refinement
;
CrysAlis PRO (Agilent, 2013)
;
_computing_data_collection
;
CrysAlis PRO (Agilent, 2013)
;
_computing_data_reduction
;
CrysAlis PRO (Agilent, 2013)
;
_computing_molecular_graphics
;
PLATON (Spek, 2009), Mercury (Macrae <i>et al.</i>, 2008) and
<i>POV-RAY for Windows</i> (Cason, 2004)
;
_computing_publication_material
;
PLATON (Spek, 2009)
;
_computing_structure_refinement
;
SHELXL2014 (Sheldrick, 2015b)
;
_computing_structure_solution
;
SHELXT (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.4933
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
;
Agilent SuperNova Dual Source diffractometer with an Atlas detector
;
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0301
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13413
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.484
_diffrn_reflns_theta_min         2.838
_exptl_absorpt_coefficient_mu    0.431
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.84878
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysAlis PRO; Agilent, 2013)
;
_exptl_crystal_colour            colorless
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_exptl_crystal_description       prism
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_exptl_crystal_size_mid          0.350
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.483
_refine_diff_density_min         -0.545
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     283
_refine_ls_number_reflns         5013
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0716
_refine_ls_R_factor_gt           0.0501
_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^)+(0.0502P)^2^+1.4433P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1179
_refine_ls_wR_factor_ref         0.1330
_reflns_number_gt                3721
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_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cu3126sup1.cif
_cod_data_source_block           I
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_cod_database_fobs_code          2021068
_shelx_estimated_absorpt_t_min   0.864
_shelx_estimated_absorpt_t_max   0.938
_shelx_res_checksum              96172