A Convenient Synthesis of Tetrabenzo[de,hi,mn,qr]naphthacene from Readily Available 1,2-Di(phenanthren-4-yl)ethyne
Anupam Mukherjee; Kamalkishore Pati; Rai-Shung Liu; Journal of Organic Chemistry 74 (2009) 6311–6314; doi:10.1021/jo901177e

data_4024779
_publ_section_title
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A Convenient Synthesis of Tetrabenzo[de,hi,mn,qr]naphthacene from Readily
Available 1,2-Di(phenanthren-4-yl)ethyne
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              6311
_journal_page_last               6314
_journal_paper_doi               10.1021/jo901177e
_journal_volume                  74
_journal_year                    2009
_chemical_formula_sum            'C76 H64'
_chemical_formula_weight         977.27
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.1510(3)
_cell_length_b                   18.3170(4)
_cell_length_c                   21.0453(5)
_cell_measurement_reflns_used    9708
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2.5
_cell_volume                     5455.0(2)
_computing_cell_refinement       'Bruker APEX2'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker APEX2'
_computing_molecular_graphics    'Bruker APEX2'
_computing_publication_material  'Bruker APEX2'
_computing_structure_refinement  'Shelxtl-97 (Sheldrick, 2008)'
_computing_structure_solution    'Shelxtl-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(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         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0722
_diffrn_reflns_av_sigmaI/netI    0.0807
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            40842
_diffrn_reflns_theta_full        26.41
_diffrn_reflns_theta_max         26.41
_diffrn_reflns_theta_min         1.47
_exptl_absorpt_coefficient_mu    0.067
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6152
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.190
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       Columnar
_exptl_crystal_F_000             2080
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.707
_refine_diff_density_min         -0.396
_refine_diff_density_rms         0.101
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(10)
_refine_ls_extinction_coef       0.0058(6)
_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   1.082
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     667
_refine_ls_number_reflns         11143
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.1409
_refine_ls_R_factor_gt           0.1323
_refine_ls_shift/su_max          1.143
_refine_ls_shift/su_mean         0.022
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0541P)^2^+33.0683P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3158
_refine_ls_wR_factor_ref         0.3204
_reflns_number_gt                9754
_reflns_number_total             11143
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo901177e_si_002.cif
_cod_data_source_block           08dc08lt_0m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 
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_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               4024779