Heteroaryl-substituted C3-bridged oligopyrroles: potential building subunits of anion-responsive pi-conjugated oligomers.
Maeda, Hiromitsu; Mihashi, Yuta; Haketa, Yohei; Organic letters 10 (2008) 3179–3182; doi:10.1021/ol801014z

data_1504749
_publ_section_title
;
 Heteroaryl-substituted C3-bridged oligopyrroles: potential building
 subunits of anion-responsive pi-conjugated oligomers.
;
_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3179
_journal_page_last               3182
_journal_paper_doi               10.1021/ol801014z
_journal_volume                  10
_journal_year                    2008
_chemical_formula_moiety         'C27 H31 B F2 N4 O2, C16 H36 N, Cl'
_chemical_formula_sum            'C43 H67 B Cl F2 N5 O2'
_chemical_formula_weight         770.28
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 100.935(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.761(3)
_cell_length_b                   19.396(6)
_cell_length_c                   25.376(7)
_cell_measurement_temperature    123(2)
_cell_volume                     4234(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0632
_diffrn_reflns_av_sigmaI/netI    0.0538
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            41235
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.07
_exptl_absorpt_coefficient_mu    0.140
_exptl_absorpt_correction_T_max  0.9724
_exptl_absorpt_correction_T_min  0.9204
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            violet
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1664
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.409
_refine_diff_density_min         -0.726
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.108
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     495
_refine_ls_number_reflns         9711
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.108
_refine_ls_R_factor_all          0.0863
_refine_ls_R_factor_gt           0.0603
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1014P)^2^+0.1563P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1663
_refine_ls_wR_factor_ref         0.1873
_reflns_number_gt                6614
_reflns_number_total             9711
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol801014z-file005.cif
_cod_data_source_block           80221mae
_cod_original_cell_volume        4233(2)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1504749