Probing Electronic Communication in Stable Benzene-Bridged Verdazyl Diradicals
Joe B. Gilroy; Steve D. J. McKinnon; Pierre Kennepohl; Mark S. Zsombor; Michael J. Ferguson; Laurence K. Thompson; Robin G. Hicks; Journal of Organic Chemistry 72 (2007) 8062–8069; doi:10.1021/jo7014449

data_4023007
_publ_section_title
;
 Probing Electronic Communication in Stable Benzene-Bridged
 Verdazyl Diradicals
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8062
_journal_page_last               8069
_journal_paper_doi               10.1021/jo7014449
_journal_volume                  72
_journal_year                    2007
_chemical_formula_moiety         'C22 H32 N8 O2'
_chemical_formula_sum            'C22 H32 N8 O2'
_chemical_formula_weight         440.56
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 112.993(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.760(6)
_cell_length_b                   5.9051(12)
_cell_length_c                   16.435(3)
_cell_measurement_reflns_used    2271
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      25.89
_cell_measurement_theta_min      2.55
_cell_volume                     2390.7(8)
_computing_cell_refinement       'Bruker SAINT (Bruker, 1997)'
_computing_data_collection       'Bruker SMART (Bruker, 1997)'
_computing_data_reduction        'Bruker SAINT (Bruker, 1997)'
_computing_molecular_graphics    'Bruker SHELXTL (Bruker, 1997)'
_computing_publication_material  'Bruker SHELXTL (Bruker, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
'Bruker PLATFORM diffractometer/SMART 1000 CCD area detector'
_diffrn_measurement_method       '\w 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  0.0533
_diffrn_reflns_av_sigmaI/netI    0.0453
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            7844
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         1.65
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.9942
_exptl_absorpt_correction_T_min  0.9764
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.224
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.239
_refine_diff_density_min         -0.246
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.122
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         2160
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.122
_refine_ls_R_factor_all          0.0879
_refine_ls_R_factor_gt           0.0589
_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^)+(0.0544P)^2^+5.1563P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1459
_refine_ls_wR_factor_ref         0.1661
_reflns_number_gt                1546
_reflns_number_total             2160
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo7014449-File002.cif
_cod_data_source_block           vic0606
_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 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4023007