Synthesis, Structures, and Photoinduced Electron Transfer Reaction in the 9,9'-Spirobifluorene-Bridged Bipolar Systems
Ken-Tsung Wong; Sung-Yu Ku; Yi-Ming Cheng; Xiauo-Yun Lin; Ying-Yueh Hung; Shih-Chieh Pu; Pi-Tai Chou; Gene-Hsiang Lee; Shie-Ming Peng; Journal of Organic Chemistry 71 (2006) 456–465; doi:10.1021/jo0512047

data_4021374
_publ_section_title
;
 Synthesis, Structures, and Photoinduced Electron Transfer
 Reaction in the 9,9'-Spirobifluorene-Bridged Bipolar Systems
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              456
_journal_page_last               465
_journal_paper_doi               10.1021/jo0512047
_journal_volume                  71
_journal_year                    2006
_chemical_formula_sum            'C49 H37 N3 O'
_chemical_formula_weight         683.82
_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                 91.634(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.7605(6)
_cell_length_b                   20.4423(13)
_cell_length_c                   21.1253(14)
_cell_measurement_reflns_used    2164
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      18.38
_cell_measurement_theta_min      2.21
_cell_volume                     3781.7(4)
_computing_cell_refinement       'Bruker SAINT'
_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      295(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker SMART APEX 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  0.0724
_diffrn_reflns_av_sigmaI/netI    0.1010
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            24245
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.9943
_exptl_absorpt_correction_T_min  0.9650
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.201
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.349
_refine_diff_density_min         -0.242
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.183
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     473
_refine_ls_number_reflns         6627
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.183
_refine_ls_R_factor_all          0.1867
_refine_ls_R_factor_gt           0.1262
_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^)+(0.0862P)^2^+7.3210P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3143
_refine_ls_wR_factor_ref         0.3473
_reflns_number_gt                3608
_reflns_number_total             6627
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0512047si20051025_053600.cif
_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:

'_exptl_crystal_density_meas' value 'not_measured' 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      'P 21/c'
_cod_database_code               4021374