Supramolecular organisation via hydrogen bonding in trimethoprim sulfonate salts
Baskar Raj, S.; Sethuraman, V.; Francis, S.; Hemamalini, M.; Muthiah, P. Thomas; Bocelli, G.; Cantoni, A.; Rychlewska, U.; Warzajtis, B.; CrystEngComm 5 (2003) 70–; doi:10.1039/b300126a

data_7204595
_publ_section_title
;
 Supramolecular organisation via hydrogen bonding in trimethoprim
 sulfonate salts
;
_journal_issue                   15
_journal_name_full               CrystEngComm
_journal_page_first              70
_journal_paper_doi               10.1039/b300126a
_journal_volume                  5
_journal_year                    2003
_chemical_formula_sum            'C20 H27 N5 O7 S'
_chemical_formula_weight         481.53
_chemical_name_common            'Trimethoprim sulfanilate monohydrate'
_chemical_name_systematic
;
[2,4-diamino-5-(3',4',5'-trimethoxybenzyl pyrimidinium)]
4-aminobenzene sulfonate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 109.080(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.855(4)
_cell_length_b                   6.136(10)
_cell_length_c                   21.349(4)
_cell_measurement_reflns_used    6751
_cell_measurement_temperature    120(2)
_cell_volume                     2210(4)
_computing_cell_refinement       'KUMA KM4CCD software'
_computing_data_collection
;
KUMA KM4CCD software(Kuma diffraction, 1999)
;
_computing_data_reduction        'KUMA KM4CCD software'
_computing_molecular_graphics    'PLATON97 (Spek, 1997)'
_computing_publication_material  'PLATON97 (Spek, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Kuma KM4CCD \k-geometry'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0482
_diffrn_reflns_av_sigmaI/netI    0.0531
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            16161
_diffrn_reflns_theta_full        25.06
_diffrn_reflns_theta_max         25.06
_diffrn_reflns_theta_min         3.47
_diffrn_standards_interval_time  60
_exptl_absorpt_coefficient_mu    0.200
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.447
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.183
_refine_diff_density_min         -0.441
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         3918
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0822
_refine_ls_R_factor_gt           0.0631
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1508
_refine_ls_wR_factor_ref         0.1630
_reflns_number_gt                3380
_reflns_number_total             3918
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b300126a.txt
_cod_data_source_block           for_compound_2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7204595