18-Fold Interpenetration and Concomitant Polymorphism in the 2:3 Co-Crystal of Trimesic Acid and 1,2-Bis(4-pyridyl)ethane†
Shattock, Tanise R.; Vishweshwar, Peddy; Wang, Zhenqiang; Zaworotko, Michael J.; Crystal Growth & Design 5 (2005) 2046–; doi:10.1021/cg0501985

data_4505222
_publ_section_title
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 18-Fold Interpenetration and Concomitant Polymorphism in the 2:3
 Co-Crystal of Trimesic Acid and 1,2-Bis(4-pyridyl)ethane&#x2020;
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_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2046
_journal_paper_doi               10.1021/cg0501985
_journal_volume                  5
_journal_year                    2005
_chemical_formula_moiety         '3(C12 H12 N2), 2(C9 H6 O6)'
_chemical_formula_sum            'C54 H48 N6 O12'
_chemical_formula_weight         972.98
_chemical_name_common
;
2:3 co-crystal Form I of Trimesic acid and 1,2-bis(4-pyridyl)ethane
;
_chemical_name_systematic
; 
 2:3 co-crystal Form I of 
 Benzene-1,3,5-tricarboxylic acid and 1,2-bis(4-pyridyl)ethane 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   19.270(3)
_cell_length_b                   19.906(3)
_cell_length_c                   25.249(3)
_cell_measurement_temperature    100(2)
_cell_volume                     9685(2)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0796
_diffrn_reflns_av_sigmaI/netI    0.0741
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            32846
_diffrn_reflns_theta_full        24.71
_diffrn_reflns_theta_max         24.71
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.966
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4080
_exptl_crystal_preparation       'Dimethyl sulfoxide (DMSO)'
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.299
_refine_diff_density_min         -0.248
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     650
_refine_ls_number_reflns         8249
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0915
_refine_ls_R_factor_gt           0.0557
_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^)+(0.0568P)^2^+2.7364P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1262
_refine_ls_wR_factor_ref         0.1548
_reflns_number_gt                5709
_reflns_number_total             8249
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg0501985si20050504_092308.cif
_cod_data_source_block           ts503c
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4505222