Theoretical and experimental study of pharmaceutical salts: a case of trimethoprim
Zhang, Liang; Wu, Di; Zhang, Menglong; Yu, Fuhai; Bao, Ying; Xie, Chuang; Hou, Baohong; Jing, Dingding; Zhang, Chuntao; Chen, Wei; CrystEngComm 26 (2024) 3808–3822; doi:10.1039/D4CE00345D

data_7248799
_publ_section_title
;
 Theoretical and experimental study of pharmaceutical salts: a case of
 trimethoprim
;
_journal_issue                   28
_journal_name_full               CrystEngComm
_journal_page_first              3808
_journal_page_last               3822
_journal_paper_doi               10.1039/D4CE00345D
_journal_volume                  26
_journal_year                    2024
_chemical_formula_moiety         'C14 H19 N4 O3, C7 H5 O4, C2 H3 N'
_chemical_formula_sum            'C23 H27 N5 O7'
_chemical_formula_weight         485.49
_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     iterative
_audit_creation_date             2024-05-17
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-05-19 deposited with the CCDC.	2024-05-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 101.150(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.0964(3)
_cell_length_b                   9.7449(2)
_cell_length_c                   20.4019(6)
_cell_measurement_reflns_used    9347
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      35.2820
_cell_measurement_theta_min      2.0330
_cell_volume                     2359.54(10)
_computing_cell_refinement       'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_data_collection       'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_data_reduction        'CrysAlisPro 1.171.42.49 (Rigaku OD, 2022)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2013/2 (Sheldrick, 2015)'
_computing_structure_solution    'olex2.solve 1.5 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.911
_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   -120.00  60.00   0.50    0.50    --  -30.00   0.00 180.00  360
  2  \w    -62.00  60.00   0.50    0.50    --  -30.00  70.00 180.00  244
  3  \w    -62.00  60.00   0.50    0.50    --  -30.00  70.00  90.00  244
  4  \w   -120.00  20.00   0.50    0.50    --  -30.00   0.00  90.00  280
;
_diffrn_measurement_device       'abstract diffractometer'
_diffrn_measurement_device_type
'dtrek-CrysAlisPro-abstract goniometer imported rigaku-d*trek images'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0094468000
_diffrn_orient_matrix_UB_12      0.0717674000
_diffrn_orient_matrix_UB_13      -0.0028261000
_diffrn_orient_matrix_UB_21      0.0112648000
_diffrn_orient_matrix_UB_22      0.0058140000
_diffrn_orient_matrix_UB_23      0.0353258000
_diffrn_orient_matrix_UB_31      0.0579237000
_diffrn_orient_matrix_UB_32      0.0105792000
_diffrn_orient_matrix_UB_33      -0.0002819000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0862
_diffrn_reflns_av_unetI/netI     0.0714
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.911
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            50758
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.911
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         37.454
_diffrn_reflns_theta_min         1.716
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.64726
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.49 (Rigaku Oxford Diffraction, 2022)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_description       block
_exptl_crystal_F_000             1024
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Acetonitrile'
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.545
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     348
_refine_ls_number_reflns         11282
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.1613
_refine_ls_R_factor_gt           0.0944
_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^)+(0.0644P)^2^+1.3740P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1802
_refine_ls_wR_factor_ref         0.2138
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6581
_reflns_number_total             11282
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4ce00345d2.cif
_cod_data_source_block           r20230402b_autored
_cod_depositor_comments
'Adding full bibliography for 7248797--7248804.cif.'
_cod_database_code               7248799
_shelxl_version_number           2013-2
_chemical_oxdiff_formula         'C11 H10 N O'
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C24(H24A,H24B)
2.b Aromatic/amide H refined with riding coordinates:
 C4(H4), C7(H7), C11(H11), C15(H15), C16(H16), C18(H18)
2.c Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C13(H13A,H13B,H13C), C14(H14A,H14B,H14C), C5(H5A,H5B,H5C)
;
_shelx_res_checksum              44302
_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
;
_oxdiff_exptl_absorpt_empirical_full_max 1.275
_oxdiff_exptl_absorpt_empirical_full_min 0.605