2,2'-[(2,2'-Bipyridine-3,3'-diyl)bis(nitrilomethylidyne)]diphenol
Li, Hong Liang; Acta Crystallographica Section E 65 (2009) o2290–; doi:10.1107/S1600536809032346

data_2223154
_publ_section_title
;
 2,2'-[(2,2'-Bipyridine-3,3'-diyl)bis(nitrilomethylidyne)]diphenol
;
_journal_coeditor_code           LH2878
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2290
_journal_paper_doi               10.1107/S1600536809032346
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C24 H18 N4 O2'
_chemical_formula_moiety         'C24 H18 N4 O2'
_chemical_formula_sum            'C24 H18 N4 O2'
_chemical_formula_weight         394.42
_chemical_name_systematic
;
2,2'-[(2,2'-Bipyridine-3,3'-diyl)bis(nitrilomethylidyne)]diphenol
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 121.980(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.017(3)
_cell_length_b                   8.4485(14)
_cell_length_c                   13.012(2)
_cell_measurement_reflns_used    1047
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.3875
_cell_measurement_theta_min      2.668
_cell_volume                     1959.8(5)
_computing_cell_refinement       'SAINT (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        'SAINT (Bruker, 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker SMART CCD'
_diffrn_measurement_method       '\f and \w'
_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  0.0253
_diffrn_reflns_av_sigmaI/netI    0.0267
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            5242
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         2.28
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.9861
_exptl_absorpt_correction_T_min  0.9674
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.337
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.173
_refine_diff_density_min         -0.127
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         1913
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0829
_refine_ls_R_factor_gt           0.0554
_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^)+(0.063P)^2^+0.6383P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1297
_refine_ls_wR_factor_ref         0.1425
_reflns_number_gt                1334
_reflns_number_total             1913
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh2878.cif
_cod_data_source_block           I
_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_enum 1527 2010-12-29 10:47:43Z saulius 

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      'C 2/c'
_cod_database_code               2223154
_cod_database_fobs_code          2223154