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_7106185
_publ_section_title
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 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         '2(C11 H9 N), C7 H6 O3'
_chemical_formula_sum            'C29 H24 N2 O3'
_chemical_formula_weight         448.50
_chemical_name_common
;
4phenylpyridine:4-hydroxybenzoicacid
;
_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                66.060(5)
_cell_angle_beta                 84.424(6)
_cell_angle_gamma                83.795(6)
_cell_formula_units_Z            4
_cell_length_a                   7.5084(7)
_cell_length_b                   18.0404(16)
_cell_length_c                   19.0238(17)
_cell_measurement_reflns_used    18780
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.6
_cell_measurement_theta_min      3.0
_cell_volume                     2337.3(4)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 rc14 (Rigaku, 2009)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 rc14 (Rigaku, 2009)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 rc14 (Rigaku, 2009)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 13.6612
_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  0.0611
_diffrn_reflns_av_sigmaI/netI    0.0830
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            25067
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.9917
_exptl_absorpt_correction_T_min  0.9755
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.205
_refine_diff_density_min         -0.303
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     805
_refine_ls_number_reflns         10707
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.1188
_refine_ls_R_factor_gt           0.0610
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0537P)^2^+0.3916P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1196
_refine_ls_wR_factor_ref         0.1402
_reflns_number_gt                6382
_reflns_number_total             10707
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c0cc05857b.txt
_cod_data_source_block           datam4
_cod_depositor_comments
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The following automatic conversions were performed:

'_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 
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_cod_database_code               7106185