Synthon polymorphism and pseudopolymorphism in co-crystals. The 4,4?-bipyridine4-hydroxybenzoic acid structural landscape
Gautam R. Desiraju; Arijit Mukherjee; Chem.Commun. 47 (2011) 4090–; doi:10.1039/c0cc05857b

data_7106182
_publ_section_title
;
 Synthon polymorphism and pseudopolymorphism in co-crystals. The
 4,4?-bipyridine&#x0096;4-hydroxybenzoic acid structural landscape
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_journal_name_full               Chem.Commun.
_journal_page_first              4090
_journal_paper_doi               10.1039/c0cc05857b
_journal_volume                  47
_journal_year                    2011
_chemical_formula_moiety         'C10 H8 N2, 2(C7 H6 O3)'
_chemical_formula_sum            'C24 H20 N2 O6'
_chemical_formula_weight         432.42
_chemical_name_common
;
4,4'-bipyridyl:4-hydroxybenzoic acid co-crystal form 1
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 93.28(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.472(2)
_cell_length_b                   24.646(5)
_cell_length_c                   7.1110(10)
_cell_measurement_reflns_used    4180
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.7
_cell_volume                     2007.3(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku Mercury375R (2x2 bin mode'
_diffrn_measurement_method       'profile data from \w-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  0.0952
_diffrn_reflns_av_sigmaI/netI    0.0696
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            17862
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         1.65
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.9897
_exptl_absorpt_correction_T_min  0.9694
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.431
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.274
_refine_diff_density_min         -0.283
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.131
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         3582
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.131
_refine_ls_R_factor_all          0.0935
_refine_ls_R_factor_gt           0.0632
_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^)+(0.0768P)^2^+0.8017P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1486
_refine_ls_wR_factor_ref         0.1827
_reflns_number_gt                2675
_reflns_number_total             3582
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c0cc05857b.txt
_cod_data_source_block           datam1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7106182