Toward Soluble 5,10-Diheterotruxenes: Synthesis and Reactivity of 5,10-Dioxatruxenes, 5,10-Dithiatruxenes, and 5,10-Diazatruxenes.
Górski, Krzysztof; Mech-Piskorz, Justyna; Leśniewska, Barbara; Pietraszkiewicz, Oksana; Pietraszkiewicz, Marek; The Journal of organic chemistry 85 (2020) 4672–4681; doi:10.1021/acs.joc.9b03387

data_4038128
_publ_section_title
;
 Toward Soluble 5,10-Diheterotruxenes: Synthesis and Reactivity of
 5,10-Dioxatruxenes, 5,10-Dithiatruxenes, and 5,10-Diazatruxenes.
;
_journal_issue                   7
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              4672
_journal_page_last               4681
_journal_paper_doi               10.1021/acs.joc.9b03387
_journal_volume                  85
_journal_year                    2020
_chemical_formula_moiety         'C29 H22 O2'
_chemical_formula_sum            'C29 H22 O2'
_chemical_formula_weight         402.47
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 102.439(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.7659(4)
_cell_length_b                   24.4930(11)
_cell_length_c                   11.0500(5)
_cell_measurement_reflns_used    1853
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      69.7660
_cell_measurement_theta_min      4.4960
_cell_volume                     2052.48(17)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100.0(0)
_diffrn_detector_area_resol_mean 16.2974
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Eos'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0451
_diffrn_reflns_av_unetI/netI     0.0872
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6714
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        63.680
_diffrn_reflns_theta_max         63.680
_diffrn_reflns_theta_min         6.110
_exptl_absorpt_coefficient_mu    0.629
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.76237
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.303
_exptl_crystal_description       needle
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.080
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.030
_refine_diff_density_max         1.513
_refine_diff_density_min         -0.433
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     282
_refine_ls_number_reflns         3334
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.1624
_refine_ls_R_factor_gt           0.1103
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1743P)^2^+3.3538P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2986
_refine_ls_wR_factor_ref         0.3674
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2063
_reflns_number_total             3368
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b03387_si_001.cif
_cod_data_source_block           jmp_occ_2
_cod_depositor_comments
'Adding full bibliography for 4038128--4038135.cif.'
_cod_original_cell_volume        2052.5(2)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4038128
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.951
_shelx_estimated_absorpt_t_max   0.981
_shelx_res_checksum              94435
_shelx_hkl_checksum              79181