Synthesis of figure-of-eight helical bisBODIPY macrocycles and their chiroptical properties.
Saikawa, Makoto; Nakamura, Takashi; Uchida, Junji; Yamamura, Masaki; Nabeshima, Tatsuya; Chemical communications (Cambridge, England) 52 (2016) 10727–10730; doi:10.1039/c6cc05439k

data_7124904
_publ_section_title
;
 Synthesis of figure-of-eight helical bisBODIPY macrocycles and their
 chiroptical properties.
;
_journal_issue                   71
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              10727
_journal_page_last               10730
_journal_paper_doi               10.1039/c6cc05439k
_journal_volume                  52
_journal_year                    2016
_chemical_formula_sum            'C60 H42 B2 N4 O6'
_chemical_formula_weight         936.59
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-06-17 deposited with the CCDC.
2016-07-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.994(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.4322(4)
_cell_length_b                   16.3704(5)
_cell_length_c                   12.5755(4)
_cell_measurement_reflns_used    9948
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      25.281
_cell_measurement_theta_min      2.200
_cell_volume                     2310.31(13)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0744
_diffrn_reflns_av_unetI/netI     0.0362
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            161675
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.606
_diffrn_reflns_theta_min         1.650
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.5925
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;    
 SADABS-2014/4 - Bruker AXS area detector scaling and absorption correction 
;
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.346
_exptl_crystal_description       prism
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.226
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details
;
 Flack x determined using 5098 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.1(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     655
_refine_ls_number_reflns         14180
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0619
_refine_ls_R_factor_gt           0.0443
_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^)+(0.1000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1254
_refine_ls_wR_factor_ref         0.1431
_reflns_Friedel_coverage         0.937
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.996
_reflns_number_gt                11926
_reflns_number_total             14180
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6cc05439k2.cif
_cod_data_source_block           0317
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7124904
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.987
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              96437
_shelx_hkl_checksum              74281