Crystalline salts of a diuretic drug torasemide with improved solubility and dissolution properties
Garg, Monika; Singh, Mayank K.; Koli, Saylee Manohar; Sreedhar, Bojja; Ramakrishna, Sistla; Nanubolu, Jagadeesh Babu; CrystEngComm  (2022) –; doi:10.1039/D2CE00383J

data_7244992
_publ_section_title
;
 Crystalline salts of a diuretic drug torasemide with improved solubility
 and dissolution properties
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D2CE00383J
_journal_year                    2022
_chemical_formula_moiety         'C16 H21 N4 O3 S, 0.5(C2 O4)'
_chemical_formula_sum            'C17 H21 N4 O5 S'
_chemical_formula_weight         393.44
_chemical_name_systematic        'TORASEMIDE OXALATE SALT'
_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'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-03-16 deposited with the CCDC.	2022-05-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.807(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.9904(10)
_cell_length_b                   11.8567(13)
_cell_length_c                   18.285(2)
_cell_measurement_reflns_used    6413
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.02
_cell_measurement_theta_min      2.28
_cell_volume                     1900.6(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0263
_diffrn_reflns_av_unetI/netI     0.0192
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            19334
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.996
_diffrn_reflns_theta_min         2.063
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.207
_exptl_absorpt_correction_T_max  0.969
_exptl_absorpt_correction_T_min  0.913
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS SADABS program'
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_description       'FLOWER LIKE NEEDLES'
_exptl_crystal_F_000             828
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Ethanol'
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.210
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.510
_refine_diff_density_min         -0.269
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.207
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         3723
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.207
_refine_ls_R_factor_all          0.0666
_refine_ls_R_factor_gt           0.0614
_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^)+(0.0494P)^2^+1.2763P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1355
_refine_ls_wR_factor_ref         0.1384
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3426
_reflns_number_total             3723
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ce00383j2.cif
_cod_data_source_block           BA54M
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'MULTI-SCAN' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7244992
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.922
_shelx_estimated_absorpt_t_max   0.964
_exptl_absorpt_special_details
'Sheldrick,G.M.,(2003),University of gottingen,Germany'
_shelx_res_checksum              5097
_shelx_hkl_checksum              5245