The hierarchies of hydrogen bonds in salts/cocrystals of isoniazid and its Schiff base – a case study
Oruganti, Madhavi; Khade, Pavan; Das, Uttam Kumar; Trivedi, Darshak R.; RSC Adv. 6 (2016) 15868–; doi:10.1039/C5RA14951G

data_7224164
_publ_section_title
;
 The hierarchies of hydrogen bonds in salts/cocrystals of isoniazid and
 its Schiff base -- a case study
;
_journal_issue                   19
_journal_name_full               'RSC Adv.'
_journal_page_first              15868
_journal_paper_doi               10.1039/C5RA14951G
_journal_volume                  6
_journal_year                    2016
_chemical_formula_moiety         'C9 H11 N3 O, C7 H6 O4'
_chemical_formula_sum            'C16 H17 N3 O5'
_chemical_formula_weight         331.33
_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
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-01-26 deposited with the CCDC.
2016-01-19 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 95.0230(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.2726(7)
_cell_length_b                   11.5810(5)
_cell_length_c                   9.1189(4)
_cell_measurement_temperature    298(2)
_cell_volume                     1606.68(12)
_computing_cell_refinement       'SMART APEX II'
_computing_data_collection       'SMART APEX II'
_computing_data_reduction        'SMART APEX SAINT'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  'MERCURY 2.3'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 3
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'BRUKER CCD AREA'
_diffrn_measurement_method       'PHI-OMEGA SCAN'
_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  0.0305
_diffrn_reflns_av_sigmaI/netI    0.0180
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            18715
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.34
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.9907
_exptl_absorpt_correction_T_min  0.9500
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.370
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.237
_refine_diff_density_min         -0.315
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.117
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         2832
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.117
_refine_ls_R_factor_all          0.0589
_refine_ls_R_factor_gt           0.0415
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0791P)^2^+0.2534P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1125
_refine_ls_wR_factor_ref         0.1425
_reflns_number_gt                2179
_reflns_number_total             2832
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra14951g2.cif
_cod_data_source_block           Ia
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'MONOCLINIC' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7224164