Light-Mediated C-C σ-Bond Driven Crystallization of a Phenalenyl Radical Dimer
Puhong Liao; Mikhail E. Itkis; Richard T. Oakley; Fook S. Tham; Robert C. Haddon; Journal of the American Chemical Society 126 (2004) 14297–14302; doi:10.1021/ja046243z

data_4113118
_publ_section_title
;
 Light-Mediated C-C \s-Bond Driven Crystallization of a Phenalenyl Radical
 Dimer
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14297
_journal_page_last               14302
_journal_paper_doi               10.1021/ja046243z
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'C42 H48 B N2 O2'
_chemical_formula_weight         623.63
_chemical_name_systematic
; 
 ? 
;
_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                 93.740(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.323(3)
_cell_length_b                   20.281(5)
_cell_length_c                   9.7394(17)
_cell_measurement_temperature    223(2)
_cell_volume                     3414.4(12)
_computing_cell_refinement       'Bruker SMART'
_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      223(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0720
_diffrn_reflns_av_sigmaI/netI    0.0571
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            20333
_diffrn_reflns_theta_full        21.96
_diffrn_reflns_theta_max         21.96
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.9985
_exptl_absorpt_correction_T_min  0.9714
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.213
_exptl_crystal_density_meas      0
_exptl_crystal_description       'Thin needle'
_exptl_crystal_F_000             1340
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.561
_refine_diff_density_min         -0.189
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     498
_refine_ls_number_reflns         4176
_refine_ls_number_restraints     298
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.1166
_refine_ls_R_factor_gt           0.0671
_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^)+(0.1198P)^2^+0.8110P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1777
_refine_ls_wR_factor_ref         0.2084
_reflns_number_gt                2472
_reflns_number_total             4176
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja046243zsi20040628_100212.cif
_cod_data_source_block           rh42octy
_cod_database_code               4113118