Cocrystals of fisetin, luteolin and genistein with pyridinecarboxamide coformers: crystal structures, analysis of intermolecular interactions, spectral and thermal characterization
Sowa, Michał; Ślepokura, Katarzyna; Matczak-Jon, Ewa; CrystEngComm 15 (2013) 7696–; doi:10.1039/c3ce41285g

data_7211145
_publ_section_title
;
 Cocrystals of fisetin, luteolin and genistein with pyridinecarboxamide
 coformers: crystal structures, analysis of intermolecular interactions,
 spectral and thermal characterization
;
_journal_issue                   38
_journal_name_full               CrystEngComm
_journal_page_first              7696
_journal_paper_doi               10.1039/c3ce41285g
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C15 H10 O6, C6 H6 N2 O'
_chemical_formula_sum            'C21 H16 N2 O7'
_chemical_formula_weight         408.36
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                94.86(3)
_cell_angle_beta                 92.76(3)
_cell_angle_gamma                99.14(3)
_cell_formula_units_Z            2
_cell_length_a                   4.278(2)
_cell_length_b                   12.561(4)
_cell_length_c                   17.370(6)
_cell_measurement_reflns_used    2849
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.71
_cell_measurement_theta_min      2.74
_cell_volume                     916.4(6)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
;
Xcalibur R kappa-geometry diffractometer with a Ruby 
CCD camera 
;
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0985
_diffrn_reflns_av_unetI/netI     0.1114
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            19821
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.998
_diffrn_reflns_theta_min         2.749
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.113
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.901
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.480
_exptl_crystal_description       plate
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.234
_refine_diff_density_min         -0.206
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     275
_refine_ls_number_reflns         3608
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.1656
_refine_ls_R_factor_gt           0.0689
_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^)+(0.0270P)^2^]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1043
_refine_ls_wR_factor_ref         0.1281
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1675
_reflns_number_total             3608
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c3ce41285g.txt
_cod_data_source_block           lutinam
_cod_database_code               7211145
_shelx_estimated_absorpt_t_min   0.978
_shelx_estimated_absorpt_t_max   0.999
_shelxl_version_number           2013-2
_shelx_res_checksum              22370
_shelx_hkl_checksum              22621