Syntheses, X-ray crystal structures and reactivity of fluorenylidene- and dibenzosuberenylidene-allenes: convenient precursors to dispirotetracenes, di-indenotetracenes and 2-phenyl-11bH-dibenz[cd,h]azulene.
Banide, Emilie V.; O'Connor, Crystal; Fortune, Natasha; Ortin, Yannick; Milosevic, Sandra; Müller-Bunz, Helge; McGlinchey, Michael J.; Organic & biomolecular chemistry 8 (2010) 3997–4010; doi:10.1039/c004868b

data_7153391
_publ_section_title
;
 Syntheses, X-ray crystal structures and reactivity of fluorenylidene- and
 dibenzosuberenylidene-allenes: convenient precursors to
 dispirotetracenes, di-indenotetracenes and
 2-phenyl-11bH-dibenz[cd,h]azulene.
;
_journal_issue                   17
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3997
_journal_page_last               4010
_journal_paper_doi               10.1039/c004868b
_journal_volume                  8
_journal_year                    2010
_chemical_formula_moiety         'C44 H26 F6, 0.5(C6 H14)'
_chemical_formula_sum            'C47 H33 F6'
_chemical_formula_weight         711.73
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                91.991(3)
_cell_angle_beta                 101.326(3)
_cell_angle_gamma                109.783(3)
_cell_formula_units_Z            2
_cell_length_a                   9.0486(15)
_cell_length_b                   11.2654(19)
_cell_length_c                   18.715(3)
_cell_measurement_reflns_used    5592
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.20
_cell_measurement_theta_min      2.34
_cell_volume                     1749.6(5)
_computing_cell_refinement       'Bruker SAINT'
_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      100(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0285
_diffrn_reflns_av_sigmaI/netI    0.0243
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            27144
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.9613
_exptl_absorpt_correction_T_min  0.7106
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS v.2.10 (Bruker,2003) was used for absorption correction.
R(int) for selected reflections was 0.114 before and 0.027 after
correction. The Ratio of minimum to maximum transmission is 0.739251.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.351
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             738
_exptl_crystal_size_max          1.20
_exptl_crystal_size_mid          0.60
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.708
_refine_diff_density_min         -0.465
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     583
_refine_ls_number_reflns         6863
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0516
_refine_ls_R_factor_gt           0.0449
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0589P)^2^+1.1337P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1150
_refine_ls_wR_factor_ref         0.1203
_reflns_number_gt                5974
_reflns_number_total             6863
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c004868b.txt
_cod_data_source_block           mjm59(12)
_cod_depositor_comments
;

2018-12-10
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_moiety     '2 C44 H26 F6, C6 H14'
_cod_original_formula_sum        'C94 H66 F12'
_cod_original_formula_units_Z    1
_cod_original_formula_weight     1423.47
_cod_database_code               7153391