Hierarchy of Supramolecular Synthons: Persistent Hydroxyl···Pyridine Hydrogen Bonds in Cocrystals That Contain a Cyano Acceptor
Bis, Joanna A.; Vishweshwar, Peddy; Weyna, David; Zaworotko, Michael J.; Molecular Pharmaceutics 4 (2007) 401–; doi:10.1021/mp070012s

data_1505191
_publ_section_title
;
 Hierarchy of Supramolecular Synthons:&#x00A0; Persistent
 Hydroxyl&#x00B7;&#x00B7;&#x00B7;Pyridine Hydrogen Bonds in Cocrystals
 That Contain a Cyano Acceptor
;
_journal_issue                   3
_journal_name_full               'Molecular Pharmaceutics'
_journal_page_first              401
_journal_paper_doi               10.1021/mp070012s
_journal_volume                  4
_journal_year                    2007
_chemical_formula_sum            'C26 H20 N4 O2'
_chemical_formula_weight         420.46
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 106.763(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.5421(17)
_cell_length_b                   7.5056(8)
_cell_length_c                   18.709(2)
_cell_measurement_temperature    298(2)
_cell_volume                     2224.2(4)
_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      298(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_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  0.0200
_diffrn_reflns_av_sigmaI/netI    0.0232
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            10027
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.559
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.375
_refine_diff_density_min         -0.209
_refine_diff_density_rms         0.056
_refine_ls_extinction_coef       0.070(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         3798
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0504
_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^)+(0.0814P)^2^+0.3855P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1434
_refine_ls_wR_factor_ref         0.1501
_reflns_number_gt                3124
_reflns_number_total             3798
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            mp070012ssi20070321_042211.cif
_cod_data_source_block           jb449b3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1505191