Synthesis and Reactions of 20 π-Electron β-Tetrakis(trifluoromethyl)-meso-tetraphenylporphyrins
Chao Liu; Dong-Mei Shen; Qing-Yun Chen; Journal of the American Chemical Society 129 (2007) 5814–5815; doi:10.1021/ja070855c

data_4109391
_publ_section_title
;
 Synthesis and Reactions of 20 \p-Electron
 \b-Tetrakis(trifluoromethyl)-meso-tetraphenylporphyrins
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5814
_journal_page_last               5815
_journal_paper_doi               10.1021/ja070855c
_journal_volume                  129
_journal_year                    2007
_chemical_formula_sum            'C52 H38 Cl2 F12 N4 O'
_chemical_formula_weight         1033.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 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                 91.524(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.596(2)
_cell_length_b                   20.027(4)
_cell_length_c                   11.671(2)
_cell_measurement_reflns_used    1581
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      39.151
_cell_measurement_theta_min      4.351
_cell_volume                     2475.8(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0731
_diffrn_reflns_av_sigmaI/netI    0.0877
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            13117
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    0.219
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7434
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.387
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.256
_exptl_crystal_size_mid          0.202
_exptl_crystal_size_min          0.045
_refine_diff_density_max         0.774
_refine_diff_density_min         -0.479
_refine_diff_density_rms         0.062
_refine_ls_extinction_coef       0.0016(14)
_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   0.954
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         4735
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      0.957
_refine_ls_R_factor_all          0.1477
_refine_ls_R_factor_gt           0.0841
_refine_ls_shift/su_max          0.086
_refine_ls_shift/su_mean         0.009
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1483P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2366
_refine_ls_wR_factor_ref         0.2709
_reflns_number_gt                2305
_reflns_number_total             4735
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja070855csi20070206_124003.cif
_cod_data_source_block           cd26528
_cod_original_cell_volume        2475.8(9)
_cod_database_code               4109391