Molecular Tectonics. Use of Br...aryl Supramolecular Interactions for the construction of Organized Networks from 9,9'-spirobifluorene in the Crystalline State.
Ulrich Darbost; Janie Cabana; Eric Demers; Thierry Maris; James D. Wuest; CheM 1 (2011) 52–12369; doi:10.5618/chem.2011.v1.n1.7

data_1501637
_publ_section_title
;
 Molecular Tectonics. Use of Br...aryl Supramolecular Interactions for the
 construction of Organized Networks from 9,9'-spirobifluorene in the
 Crystalline State.
;
_journal_name_full               CheM
_journal_page_first              52
_journal_page_last               12369
_journal_paper_doi               10.5618/chem.2011.v1.n1.7
_journal_volume                  1
_journal_year                    2011
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety         'C25 H16, 2(C H Br3)'
_chemical_formula_sum            'C27 H18 Br6'
_chemical_formula_weight         821.87
_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                 94.857(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   19.2957(10)
_cell_length_b                   13.8813(8)
_cell_length_c                   20.0269(10)
_cell_measurement_reflns_used    27389
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      68.37
_cell_measurement_theta_min      3.88
_cell_volume                     5344.9(5)
_computing_cell_refinement       'SMART (Bruker, 2003)'
_computing_data_collection       'SMART (Bruker, 2003)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'UdMX (local program)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 5.5
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker Smart 6000'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'Montel 200 optics'
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.056
_diffrn_reflns_av_sigmaI/netI    0.0372
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            49712
_diffrn_reflns_theta_full        68.68
_diffrn_reflns_theta_max         68.68
_diffrn_reflns_theta_min         3.05
_diffrn_standards_decay_%        -1.31
_diffrn_standards_number         482
_exptl_absorpt_coefficient_mu    10.962
_exptl_absorpt_correction_T_max  0.6400
_exptl_absorpt_correction_T_min  0.4100
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick,1996)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.043
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3120
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.649
_refine_diff_density_min         -1.414
_refine_diff_density_rms         0.125
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     595
_refine_ls_number_reflns         9747
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0477
_refine_ls_R_factor_gt           0.0427
_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^)+(0.0528P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1076
_refine_ls_wR_factor_ref         0.1119
_reflns_number_gt                8619
_reflns_number_total             9747
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            deposit.cif
_cod_data_source_block           jw1005
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               1501637