Stereoselective coordination of ditopic phospholyl-azahelicenes: a novel approach towards structural diversity in chiral pi-conjugated assemblies.
Shen, Wenting; Graule, Sébastien; Crassous, Jeanne; Lescop, Christophe; Gornitzka, Heinz; Réau, Régis; Chemical communications (Cambridge, England)  (2008) 850–852; doi:10.1039/b714340k

data_7102886
_publ_section_title
;
 Stereoselective coordination of ditopic phospholyl-azahelicenes: a
 novel approach towards structural diversity in chiral pi-conjugated
 assemblies.
;
_journal_issue                   7
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              850
_journal_page_last               852
_journal_paper_doi               10.1039/b714340k
_journal_year                    2008
_chemical_formula_sum            'C76.5 H61 Cl5 Cu F6 N2 P3'
_chemical_formula_weight         1455.97
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                82.315(4)
_cell_angle_beta                 85.456(5)
_cell_angle_gamma                75.858(4)
_cell_formula_units_Z            4
_cell_length_a                   14.431(2)
_cell_length_b                   21.614(3)
_cell_length_c                   22.007(3)
_cell_measurement_temperature    100(2)
_cell_volume                     6588.7(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_diffrn_measurement_device_type  CCD
_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  0.0996
_diffrn_reflns_av_sigmaI/netI    0.1611
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            37977
_diffrn_reflns_theta_full        23.26
_diffrn_reflns_theta_max         23.26
_diffrn_reflns_theta_min         5.10
_exptl_absorpt_coefficient_mu    0.672
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.468
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2988
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.842
_refine_diff_density_min         -0.911
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1914
_refine_ls_number_reflns         18196
_refine_ls_number_restraints     788
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.1628
_refine_ls_R_factor_gt           0.0793
_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^)+(0.0992P)^2^+12.0911P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1887
_refine_ls_wR_factor_ref         0.2282
_reflns_number_gt                9642
_reflns_number_total             18196
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b714340k.txt
_cod_data_source_block           compound4a
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C76.50 H61 Cl5 Cu F6 N2 P3'
_cod_database_code               7102886