Halogen bonded cocrystals of active pharmaceutical ingredients: pyrazinamide, lidocaine and pentoxifylline in combination with haloperfluorinated compounds
Choquesillo-Lazarte, Duane; Nemec, Vinko; Cinčić, Dominik; CrystEngComm  (2017) –; doi:10.1039/C7CE01252G

data_7228844
_publ_section_title
;
 Halogen bonded cocrystals of active pharmaceutical ingredients:
 pyrazinamide, lidocaine and pentoxifylline in combination with
 haloperfluorinated compounds
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/C7CE01252G
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C13 H18 N4 O3, C6 F4 I2'
_chemical_formula_sum            'C19 H18 F4 I2 N4 O3'
_chemical_formula_weight         680.17
_chemical_melting_point          388.15
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2017-02-03
_audit_creation_method
;
Olex2 1.2
(compiled 2017.01.04 svn.r3372 for OlexSys, GUI svn.r5292)
;
_audit_update_record
;
2017-07-26 deposited with the CCDC.
2017-08-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.5437(5)
_cell_length_b                   31.4061(9)
_cell_length_c                   4.48440(10)
_cell_measurement_reflns_used    9984
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      66.129
_cell_measurement_theta_min      2.814
_cell_volume                     2329.97(11)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_collection       'Bruker Apex3, 2016'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  multilayer
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0986
_diffrn_reflns_av_unetI/netI     0.0530
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            39935
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        66.697
_diffrn_reflns_theta_max         66.697
_diffrn_reflns_theta_min         2.814
_diffrn_source                   'high brilliance microfocus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    21.754
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.4889
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1192 before and 0.0888 after correction. The Ratio of minimum to maximum transmission is 0.6494. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.939
_exptl_crystal_description       prism
_exptl_crystal_F_000             1304
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.835
_refine_diff_density_min         -0.552
_refine_diff_density_rms         0.104
_refine_ls_abs_structure_details
;
 Flack x determined using 791 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.039(9)
_refine_ls_extinction_coef       0.00045(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014)'
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     293
_refine_ls_number_reflns         4107
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0953
_refine_ls_R_factor_gt           0.0531
_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^)+(0.0851P)^2^+1.0111P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1338
_refine_ls_wR_factor_ref         0.1613
_reflns_Friedel_coverage         0.745
_reflns_Friedel_fraction_full    0.987
_reflns_Friedel_fraction_max     0.986
_reflns_number_gt                2529
_reflns_number_total             4107
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ce01252g2.cif
_cod_data_source_block           PXF_TFIB
_cod_database_code               7228844
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.275
_shelx_estimated_absorpt_t_min   0.220
_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:
 C1(H1A,H1B), C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B)
2.b Aromatic/amide H refined with riding coordinates:
 C12(H12)
2.c Idealised Me refined as rotating group:
 C6(H6A,H6B,H6C), C8(H8A,H8B,H8C), C13(H13A,H13B,H13C)
;
_olex2_submission_special_instructions 'No special instructions were received'