Multicomponent pharmaceutical cocrystals: furosemide and pentoxifylline
Stepanovs, Dmitrijs; Mishnev, Anatoly; Acta Crystallographica Section C 68 (2012) o488–o491; doi:10.1107/S0108270112045866

data_2018731
_publ_section_title
;
 Multicomponent pharmaceutical cocrystals: furosemide and pentoxifylline
;
_journal_coeditor_code           YF3019
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o488
_journal_page_last               o491
_journal_paper_doi               10.1107/S0108270112045866
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C12 H11 Cl N2 O5 S , C13 H18 N4 O3 , C2 H6 O'
_chemical_formula_moiety         'C13 H18 N4 O3, C12 H11 Cl N2 O5 S, C3 H6 O'
_chemical_formula_sum            'C28 H35 Cl N6 O9 S'
_chemical_formula_weight         667.14
_chemical_melting_point          432
_chemical_name_common            (furosemide).(pentoxifylline).(acetone)
_chemical_name_systematic
;
4-Chloro-2-(furan-2-ylmethylamino)-5-sulfamoylbenzoic
acid--3,7-dimethyl-1-(5-oxohexyl)-3,7-dihydro-1<i>H</i>-purine-2,6-dione--
acetone (1/1/1)
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                99.733(2)
_cell_angle_beta                 96.057(2)
_cell_angle_gamma                109.197(3)
_cell_formula_units_Z            2
_cell_length_a                   9.3099(2)
_cell_length_b                   9.5317(3)
_cell_length_c                   19.2653(7)
_cell_measurement_reflns_used    13851
_cell_measurement_temperature    190
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     1567.27(9)
_computing_cell_refinement       'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD Server Software (Nonius, 1997)'
_computing_data_reduction
'DENZO and SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      190
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Nonius KappaCCD area-detector'
_diffrn_measurement_method       CCD
_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  0.0433
_diffrn_reflns_av_sigmaI/netI    0.1028
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            10665
_diffrn_reflns_theta_full        27.42
_diffrn_reflns_theta_max         27.42
_diffrn_reflns_theta_min         3.27
_exptl_absorpt_coefficient_mu    0.251
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.414
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             700
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.296
_refine_diff_density_min         -0.383
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     411
_refine_ls_number_reflns         7045
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.1248
_refine_ls_R_factor_gt           0.0629
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0491P)^2^+0.8394P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1232
_refine_ls_wR_factor_ref         0.1465
_reflns_number_gt                4277
_reflns_number_total             7045
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            yf3019.cif
_cod_data_source_block           III
_cod_database_code               2018731
_cod_database_fobs_code          2018731