Cocrystals and Salts of Pyridine-3,5-bis(1-methyl-benzimidazole-2-yl) with Pyromellitic Acid: Aromatic Guest Inclusion and Separation via Benzimidazole–Carboxylic Acid Heterosynthon
Dey, Avishek; Bera, Saibal; Biradha, Kumar; Crystal Growth & Design 15 (2015) 318–; doi:10.1021/cg501380m

data_4512418
_publ_section_title
;
 Cocrystals and Salts of Pyridine-3,5-bis(1-methyl-benzimidazole-2-yl)
 with Pyromellitic Acid: Aromatic Guest Inclusion and Separation via
 Benzimidazole--Carboxylic Acid Heterosynthon
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              318
_journal_paper_doi               10.1021/cg501380m
_journal_volume                  15
_journal_year                    2015
_chemical_formula_sum            'C52 H44 N10 O10'
_chemical_formula_weight         968.97
_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                81.612(7)
_cell_angle_beta                 75.381(7)
_cell_angle_gamma                87.175(7)
_cell_formula_units_Z            1
_cell_length_a                   8.435(2)
_cell_length_b                   10.432(3)
_cell_length_c                   13.287(4)
_cell_measurement_reflns_used    14216
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.35
_cell_measurement_theta_min      1.60
_cell_volume                     1119.1(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_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  0.0237
_diffrn_reflns_av_sigmaI/netI    0.0264
_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       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            14216
_diffrn_reflns_theta_full        26.35
_diffrn_reflns_theta_max         26.35
_diffrn_reflns_theta_min         1.60
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_T_min  0.978
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.438
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             506
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.254
_refine_diff_density_min         -0.245
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.120
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     337
_refine_ls_number_reflns         4457
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.120
_refine_ls_R_factor_all          0.0600
_refine_ls_R_factor_gt           0.0426
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1356
_refine_ls_wR_factor_ref         0.1520
_reflns_number_gt                3441
_reflns_number_total             4457
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg501380m_si_002.cif
_cod_data_source_block           3
_cod_depositor_comments
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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 4512417--4512422.cif.
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_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4512418