Differential Cocrystallization Behavior of Isomeric Pyridine Carboxamides toward Antitubercular Drug Pyrazinoic Acid
Prasad, Karothu Durga; Cherukuvada, Suryanarayan; Ganduri, Ramesh; Stephen, L. Devaraj; Perumalla, Sravankumar; Guru Row, Tayur N.; Crystal Growth & Design 15 (2015) 858–; doi:10.1021/cg501642m

data_4512561
_publ_section_title
;
 Differential Cocrystallization Behavior of Isomeric Pyridine Carboxamides
 toward Antitubercular Drug Pyrazinoic Acid
;
_journal_issue                   2
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              858
_journal_paper_doi               10.1021/cg501642m
_journal_volume                  15
_journal_year                    2015
_chemical_formula_sum            'C14 H22 N6 O6'
_chemical_formula_weight         370.38
_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           SHELXL-97
_cell_angle_alpha                64.251(9)
_cell_angle_beta                 83.081(8)
_cell_angle_gamma                86.219(7)
_cell_formula_units_Z            2
_cell_length_a                   8.5450(9)
_cell_length_b                   10.4099(9)
_cell_length_c                   11.0248(11)
_cell_measurement_temperature    298(2)
_cell_volume                     876.77(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0460
_diffrn_reflns_av_sigmaI/netI    0.0348
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            14851
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  0.9781
_exptl_absorpt_correction_T_min  0.9674
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             392
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.230
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     323
_refine_ls_number_reflns         3437
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0753
_refine_ls_R_factor_gt           0.0504
_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^)+(0.0817P)^2^+0.0247P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1350
_refine_ls_wR_factor_ref         0.1555
_reflns_number_gt                2384
_reflns_number_total             3437
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            POA_PPZ_Dihydrate.cif
_cod_data_source_block           POA_PPZ_Dihydrate
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/ACS/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 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 4512557--4512561.cif.
;
_cod_original_cell_volume        876.77(15)
_cod_database_code               4512561