enantio-Enriched CPL-active helicene‒bipyridine‒rhenium complexes
Saleh, Nidal; Srebro, Monika; Reynaldo, Thibault; Vanthuyne, Nicolas; Toupet, Loïc; Chang, Victoria Y.; Muller, Gilles; Williams, J. A. Gareth; Roussel, Christian; Autschbach, Jochen; Crassous, Jeanne; Chemical Communications (Cambridge, United Kingdom) 51 (2015) 3754–3757; doi:10.1039/c5cc00453e

data_7116596
_publ_section_title
;
 enantio-Enriched CPL-active helicene--bipyridine--rhenium complexes
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   18
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              3754
_journal_page_last               3757
_journal_paper_doi               10.1039/c5cc00453e
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C67 H40 Cl2 N4 O7 Re2'
_chemical_formula_weight         1456.33
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2011-12-06 deposited with the CCDC.
2015-01-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 96.244(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.6700(2)
_cell_length_b                   16.5072(3)
_cell_length_c                   21.2401(4)
_cell_measurement_reflns_used    10557
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.0
_cell_volume                     5461.54(16)
_computing_cell_refinement
'CrysAlis RED, Oxford Diffraction Ltd.,Version 1.171.35.11'
_computing_data_collection
'CrysAlis CCD, Oxford Diffraction Ltd.,Version 1.171.35.11'
_computing_data_reduction
'CrysAlis RED, Oxford Diffraction Ltd.,Version 1.171.35.11'
_computing_molecular_graphics    'MERCURY 2.4.5(CCDC, 2011)'
_computing_publication_material  'WINGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-97_(Altomare & al., 1999)'
_diffrn_ambient_temperature      140(2)
_diffrn_detector_area_resol_mean 19.64
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD Saphire 3 Xcalibur'
_diffrn_measurement_method       'omega scan'
_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  0.0734
_diffrn_reflns_av_sigmaI/netI    0.1088
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            43976
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.62
_exptl_absorpt_coefficient_mu    4.589
_exptl_absorpt_correction_T_max  0.76777
_exptl_absorpt_correction_T_min  0.50510
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
'Alcock(1970) crystallographic computing,p271'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.771
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2840
_exptl_crystal_size_max          0.203
_exptl_crystal_size_mid          0.143
_exptl_crystal_size_min          0.059
_refine_diff_density_max         2.006
_refine_diff_density_min         -1.098
_refine_diff_density_rms         0.145
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.868
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     729
_refine_ls_number_reflns         11893
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.868
_refine_ls_R_factor_all          0.0803
_refine_ls_R_factor_gt           0.0381
_refine_ls_shift/su_max          0.098
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0288P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0697
_refine_ls_wR_factor_ref         0.0749
_reflns_number_gt                7331
_reflns_number_total             11893
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc00453e2.cif
_cod_data_source_block           nm137
_cod_original_sg_symbol_H-M      p21/c
_cod_database_code               7116596