Self-discriminating and hierarchical assembly of racemic binaphthyl-bisbipyridines and silver ions: from metallocycles to gel nanofibers
Yabing He; Zheng Bian; Chuanqing Kang; Lianxun Gao; Chem.Commun. 47 (2011) 1589–; doi:10.1039/c0cc03192e

data_7105879
_publ_section_title
;
 Self-discriminating and hierarchical assembly of racemic
 binaphthyl-bisbipyridines and silver ions: from metallocycles to gel
 nanofibers
;
_journal_name_full               Chem.Commun.
_journal_page_first              1589
_journal_paper_doi               10.1039/c0cc03192e
_journal_volume                  47
_journal_year                    2011
_chemical_formula_moiety         'C44 H34 N4 O4'
_chemical_formula_sum            'C44 H34 N4 O4'
_chemical_formula_weight         682.75
_chemical_melting_point          ?
_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                 99.2200(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.4815(13)
_cell_length_b                   12.1504(7)
_cell_length_c                   13.4906(8)
_cell_measurement_reflns_used    6900
_cell_measurement_temperature    185(2)
_cell_measurement_theta_max      26.10
_cell_measurement_theta_min      0.96
_cell_volume                     3475.7(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    SHELXP-97
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      185(2)
_diffrn_detector_area_resol_mean 9.00cm
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0571
_diffrn_reflns_av_sigmaI/netI    0.0686
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            19104
_diffrn_reflns_theta_full        26.10
_diffrn_reflns_theta_max         26.10
_diffrn_reflns_theta_min         0.96
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.978
_exptl_absorpt_correction_T_min  0.970
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1432
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.205
_refine_diff_density_min         -0.216
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.993
_refine_ls_hydrogen_treatment    geom
_refine_ls_matrix_type           full
_refine_ls_number_parameters     469
_refine_ls_number_reflns         6900
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.993
_refine_ls_R_factor_all          0.0987
_refine_ls_R_factor_gt           0.0458
_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^)+(0.0464P)^2^+0.6167P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0928
_refine_ls_wR_factor_ref         0.1201
_reflns_number_gt                4115
_reflns_number_total             6900
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CC03192E.TXT
_cod_data_source_block           (rac)-1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 1569 2011-02-09 13:29:24Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' 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      P2(1)/c
_cod_database_code               7105879