Enhancing the dissolution and bacteriostatic activity of trimethoprim through salt formation
Hu, Xingchen; Xiao, Yuntian; Qi, Luguang; Bai, Yunhe; Sun, Ying; Ye, Yang; Xie, Chuang; CrystEngComm 25 (2023) 3445–3459; doi:10.1039/D3CE00128H

data_7246782
_publ_section_title
;
 Enhancing the dissolution and bacteriostatic activity of trimethoprim
 through salt formation
;
_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              3445
_journal_page_last               3459
_journal_paper_doi               10.1039/D3CE00128H
_journal_volume                  25
_journal_year                    2023
_chemical_formula_moiety         'C5 H3 N2 O4, C14 H19 N4 O3'
_chemical_formula_sum            'C19 H22 N6 O7'
_chemical_formula_weight         446.42
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2023-03-16
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2023-03-17 deposited with the CCDC.	2023-04-28 downloaded from the CCDC.
;
_cell_angle_alpha                91.152(7)
_cell_angle_beta                 98.566(7)
_cell_angle_gamma                103.763(8)
_cell_formula_units_Z            2
_cell_length_a                   7.0878(6)
_cell_length_b                   7.5969(7)
_cell_length_c                   18.9464(14)
_cell_measurement_reflns_used    5495
_cell_measurement_temperature    113.15
_cell_measurement_theta_max      33.2280
_cell_measurement_theta_min      2.1470
_cell_volume                     978.19(15)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      113.15
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.893
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w   -115.00  65.00   1.00    8.00    --  -25.00  45.00   0.00  180
  2  \w   -115.00  65.00   1.00    8.00    --  -25.00  45.00  90.00  180
  3  \w   -115.00  65.00   1.00    8.00    --  -25.00  45.00 180.00  180
;
_diffrn_measurement_device       'abstract diffractometer'
_diffrn_measurement_device_type  'Rigaku Saturn 70 CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0319748000
_diffrn_orient_matrix_UB_12      -0.0788587000
_diffrn_orient_matrix_UB_13      -0.0077982000
_diffrn_orient_matrix_UB_21      -0.0008893000
_diffrn_orient_matrix_UB_22      0.0229897000
_diffrn_orient_matrix_UB_23      -0.0361274000
_diffrn_orient_matrix_UB_31      0.0993235000
_diffrn_orient_matrix_UB_32      0.0502406000
_diffrn_orient_matrix_UB_33      0.0084938000
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0607
_diffrn_reflns_av_unetI/netI     0.0832
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.893
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            14952
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.893
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         33.213
_diffrn_reflns_theta_min         2.178
_diffrn_source                   'rotating anode'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.118
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.66253
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)'
_exptl_crystal_density_diffrn    1.516
_exptl_crystal_description       block
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.533
_refine_diff_density_min         -0.421
_refine_diff_density_rms         0.094
_refine_ls_extinction_coef       0.018(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     293
_refine_ls_number_reflns         6688
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.1172
_refine_ls_R_factor_gt           0.0757
_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^)+(0.0876P)^2^+0.6681P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1892
_refine_ls_wR_factor_ref         0.2146
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4274
_reflns_number_total             6688
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ce00128h2.cif
_cod_data_source_block           r20211001a
_cod_depositor_comments
'Adding full bibliography for 7246781--7246785.cif.'
_cod_database_code               7246782
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C11 H10 N O'
_shelx_estimated_absorpt_t_max   0.992
_shelx_estimated_absorpt_t_min   0.986
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups, All N(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C10(H10A,H10B)
2.b Aromatic/amide H refined with riding coordinates:
 N1(H1), N2(H2), C4(H4), N3(H3), C6(H6), C12(H12), C16(H16)
2.c X=CH2 refined with riding coordinates:
 N5(H5A,H5B), N6(H6A,H6B)
2.d Idealised Me refined as rotating group:
 C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C19(H19A,H19B,H19C)
;
_shelx_res_checksum              33241
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
- Detector area scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 2.422
_oxdiff_exptl_absorpt_empirical_full_min 0.619