Helicity discrimination in N,N'-dibenzoyl-1,2,3,4,7,8,9,10-octahydro-1,10-phenanthrolines and their thiono- and selenocarbonyl analogues by inclusion complexation with chiral diols.
Olszewska, Teresa; Sikorski, Artur; Herman, Aleksander; Połoński, Tadeusz; Organic & biomolecular chemistry 11 (2013) 7522–7529; doi:10.1039/c3ob41216d

data_7153143
_publ_section_title
;
 Helicity discrimination in
 N,N'-dibenzoyl-1,2,3,4,7,8,9,10-octahydro-1,10-phenanthrolines and their
 thiono- and selenocarbonyl analogues by inclusion complexation with
 chiral diols.
;
_journal_issue                   43
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              7522
_journal_page_last               7529
_journal_paper_doi               10.1039/c3ob41216d
_journal_volume                  11
_journal_year                    2013
_chemical_formula_moiety         'C26 H24 N2 Se2'
_chemical_formula_sum            'C26 H24 N2 Se2'
_chemical_formula_weight         522.39
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'from SHELXL97 CIF and IUCr SHELXL97-template'
_cell_angle_alpha                90.00
_cell_angle_beta                 104.10(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.339(2)
_cell_length_b                   16.111(3)
_cell_length_c                   15.343(3)
_cell_measurement_reflns_used    50
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.25
_cell_volume                     2239.0(8)
_computing_cell_refinement
'CrysAlis RED,Version 1.171.32.15 (Oxford Diffraction Ltd., 2008)'
_computing_data_collection
'CrysAlis CCD,Version 1.171.32.15 (Oxford Diffraction Ltd., 2008)'
_computing_data_reduction
'CrysAlis RED,Version 1.171.32.15 (Oxford Diffraction Ltd., 2008)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  'SHELXL97 and PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Kuma KM4'
_diffrn_measurement_method       \q/2\q
_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  0.0329
_diffrn_reflns_av_sigmaI/netI    0.1111
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            4061
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.25
_diffrn_standards_decay_%        0.09
_diffrn_standards_interval_count 200
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    3.318
_exptl_absorpt_correction_T_max  0.711
_exptl_absorpt_correction_T_min  0.550
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   difabs
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.550
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.729
_refine_diff_density_min         -0.914
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.935
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         3908
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.935
_refine_ls_R_factor_all          0.1798
_refine_ls_R_factor_gt           0.0608
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0998P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1241
_refine_ls_wR_factor_ref         0.1640
_reflns_number_gt                1653
_reflns_number_total             3908
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ob41216d.txt
_cod_data_source_block           5
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7153143