2,6-Dibenzyl-8b,8c-diphenyl-2,3a,4a,6,7a,8a-hexaazaperhydrocyclopenta[<i>def</i>]fluorene-4,8-dione
Li, Yi-Tao; Long, Tao; Wu, An-Xin; Acta Crystallographica Section E 61 (2005) o2374–o2375; doi:10.1107/S1600536805020659

data_2206330
_publ_section_title
2,6-Dibenzyl-8b,8c-diphenyl-2,3a,4a,6,7a,8a-hexaazaperhydrocyclopenta[<i>def</i>]fluorene-4,8-dione
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2374
_journal_page_last               o2375
_journal_paper_doi               10.1107/S1600536805020659
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C34 H32 N6 O2'
_chemical_formula_moiety         'C34 H32 N6 O2'
_chemical_formula_sum            'C34 H32 N6 O2'
_chemical_formula_weight         556.66
_chemical_name_systematic
;
2,6-Dibenzyl-8b,8c-diphenyl-2,3a,4a,6,7a,8a-
hexaazaperhydrocyclopenta[def]fluorene-4,8-dione
;
_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           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 109.9030(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.7235(9)
_cell_length_b                   18.3780(13)
_cell_length_c                   14.1604(10)
_cell_measurement_reflns_used    2525
_cell_measurement_temperature    292(2)
_cell_measurement_theta_max      20.91
_cell_measurement_theta_min      2.25
_cell_volume                     2868.7(4)
_computing_cell_refinement       'SAINT (Bruker, 2000)'
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 2000)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      292(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0809
_diffrn_reflns_av_sigmaI/netI    0.0656
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            16023
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.85
_diffrn_standards_decay_%        <1%
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.9918
_exptl_absorpt_correction_T_min  0.9836
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1176
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.274
_refine_diff_density_min         -0.222
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         5026
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.1037
_refine_ls_R_factor_gt           0.0626
_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^)+(0.0646P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1321
_refine_ls_wR_factor_ref         0.1513
_reflns_number_gt                3155
_reflns_number_total             5026
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ac6178.cif
_cod_data_source_block           I
_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:

'_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2206330
_cod_database_fobs_code          2206330