First-line antituberculosis drug, pyrazinamide, its pharmaceutically relevant cocrystals and a salt.
Sarmah, Kashyap Kumar; Rajbongshi, Trishna; Bhowmick, Sourav; Thakuria, Ranjit; Acta crystallographica Section B, Structural science, crystal engineering and materials 73 (2017) 1007–1016; doi:10.1107/S2052520617011477

data_2311800
_publ_section_title
;
 First-line antituberculosis drug, pyrazinamide,
 its&#x00A0;pharmaceutically relevant cocrystals and a salt.
;
_journal_coeditor_code           RM5006SUP1
_journal_issue                   'Pt 5'
_journal_name_full
'Acta crystallographica Section B, Structural science, crystal engineering and materials'
_journal_page_first              1007
_journal_page_last               1016
_journal_paper_doi               10.1107/S2052520617011477
_journal_volume                  73
_journal_year                    2017
_chemical_formula_moiety         'C7 H6 O4, C5 H5 N3 O'
_chemical_formula_sum            'C12 H11 N3 O5'
_chemical_formula_weight         277.24
_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
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 95.224(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.7759(8)
_cell_length_b                   6.7421(6)
_cell_length_c                   23.996(2)
_cell_measurement_reflns_used    3570
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.11
_cell_measurement_theta_min      2.63
_cell_volume                     1252.8(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0296
_diffrn_reflns_av_unetI/netI     0.0236
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            9812
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.458
_diffrn_reflns_theta_min         2.630
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.117
_exptl_absorpt_correction_T_max  0.9815
_exptl_absorpt_correction_T_min  0.9691
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS SADABS program'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.470
_exptl_crystal_description       block
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.270
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.160
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.275
_refine_diff_density_rms         0.097
_refine_ls_extinction_coef       0.066(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         2564
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0519
_refine_ls_R_factor_gt           0.0435
_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^)+(0.0756P)^2^+0.1634P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1182
_refine_ls_wR_factor_ref         0.1249
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2124
_reflns_number_total             2564
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            rm5006sup1.cif
_cod_data_source_block           PYZ_24DHBA
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2311800
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.969
_shelx_estimated_absorpt_t_max   0.982
_exptl_absorpt_special_details   'Sheldrick,G.M.,2015,University of gottingen'
_shelx_res_checksum              89184
_shelx_hkl_checksum              6671