Crystal Structures of Pyrogallol, Its Hydrate, and Stable MultipleZ′ Cocrystals with N-Heterocycles Containing Metastable Conformers of Pyrogallol
Thakuria, Ranjit; Cherukuvada, Suryanarayan; Nangia, Ashwini; Crystal Growth & Design 12 (2012) 3944–; doi:10.1021/cg3003367

data_4506457
_publ_section_title
;
 Crystal Structures of Pyrogallol, Its Hydrate, and Stable
 MultipleZ&#x2032; Cocrystals with N-Heterocycles Containing Metastable
 Conformers of Pyrogallol
;
_journal_issue                   8
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3944
_journal_paper_doi               10.1021/cg3003367
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         ' C6 H6 O3, 0.5(C6 H6 N2 O)'
_chemical_formula_sum            'C18 H18 N2 O7'
_chemical_formula_weight         374.34
_chemical_name_systematic
; 
 2:1 complex of pyrogallol and isonicotinamide 
;
_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                72.4640(10)
_cell_angle_beta                 83.730(2)
_cell_angle_gamma                80.0920(10)
_cell_formula_units_Z            2
_cell_length_a                   9.2540(8)
_cell_length_b                   9.5435(9)
_cell_length_c                   10.0539(9)
_cell_measurement_reflns_used    4061
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.01
_cell_measurement_theta_min      2.26
_cell_volume                     832.47(13)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0230
_diffrn_reflns_av_sigmaI/netI    0.0264
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            8725
_diffrn_reflns_theta_full        26.04
_diffrn_reflns_theta_max         26.04
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    0.117
_exptl_absorpt_correction_T_max  0.9805
_exptl_absorpt_correction_T_min  0.9648
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS SADABS program'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.493
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             392
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.321
_refine_diff_density_min         -0.214
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         3277
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0425
_refine_ls_R_factor_gt           0.0389
_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^)+(0.0478P)^2^+0.3403P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0950
_refine_ls_wR_factor_ref         0.0972
_reflns_number_gt                3022
_reflns_number_total             3277
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg3003367_si_006.cif
_cod_data_source_block           Pyrogallol_Isonicotinamide_4b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               4506457