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_1501638
_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, C H2 Br2 '
_chemical_formula_sum            'C26 H18 Br2'
_chemical_formula_weight         490.22
_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                 90.380(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3840(4)
_cell_length_b                   17.9690(7)
_cell_length_c                   11.1880(3)
_cell_measurement_reflns_used    16744
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.55
_cell_volume                     2087.52(13)
_computing_cell_refinement       'CAD4 Program (Nonius 1989)'
_computing_data_collection       'CAD4 Program (Nonius 1989)'
_computing_data_reduction        'Local Program'
_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_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'X-ray sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.050
_diffrn_reflns_av_sigmaI/netI    0.0546
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            13403
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.67
_diffrn_standards_decay_%        0.00
_diffrn_standards_interval_time  60
_diffrn_standards_number         13403
_exptl_absorpt_coefficient_mu    3.892
_exptl_absorpt_correction_T_max  0.378
_exptl_absorpt_correction_T_min  0.208
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Sortav
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.560
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.383
_refine_diff_density_min         -0.558
_refine_diff_density_rms         0.076
_refine_ls_extinction_coef       0.0025(3)
_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   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     282
_refine_ls_number_reflns         4785
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0788
_refine_ls_R_factor_gt           0.0432
_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^)+(0.0481P)^2^+1.2348P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0942
_refine_ls_wR_factor_ref         0.1138
_reflns_number_gt                3190
_reflns_number_total             4785
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            deposit.cif
_cod_data_source_block           jw1074
_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.

'_geom_bond_publ_flag'
value 'Y' changed to 'y' according to the built-in table from CIF
Core dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29
(34 times).

'_geom_angle_publ_flag' value 'Y' changed to 'y'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (48
times).

'_geom_torsion_publ_flag' value 'Y' changed to 'y' according
to the built-in table from CIF Core dictionary named 'cif_core.dic'
version 2.4.1 from 2010-06-29 (76 times).

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               1501638