Self-Assembly of Triple Helical and meso-Helical Cylindrical Arrays Tunable by Bis-Tripodal Coordination Converters
Ji-Jun Jiang; Sheng-Run Zheng; Yu Liu; Mei Pan; Wei Wang; Cheng-Yong Su; Inorganic Chemistry 47 (2008) 10692–10699; doi:10.1021/ic801516b

data_4306695
_publ_section_title
;
Self-Assembly of Triple Helical and meso-Helical Cylindrical Arrays Tunable
by Bis-Tripodal Coordination Converters
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10692
_journal_page_last               10699
_journal_paper_doi               10.1021/ic801516b
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C106 H90 Cl3 La N28 O12'
_chemical_formula_weight         2193.32
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           167
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3 2"c'
_symmetry_space_group_name_H-M   'R -3 c :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            6
_cell_length_a                   17.987(5)
_cell_length_b                   17.987(5)
_cell_length_c                   53.73(2)
_cell_measurement_temperature    293(2)
_cell_volume                     15054(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Smart CCD'
_diffrn_measurement_method       '\w san'
_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  0.0611
_diffrn_reflns_av_sigmaI/netI    0.0410
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       64
_diffrn_reflns_limit_l_min       -66
_diffrn_reflns_number            23040
_diffrn_reflns_theta_full        26.15
_diffrn_reflns_theta_max         26.15
_diffrn_reflns_theta_min         2.26
_exptl_absorpt_coefficient_mu    0.584
_exptl_absorpt_correction_T_max  0.8726
_exptl_absorpt_correction_T_min  0.8173
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.452
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             6756
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         1.389
_refine_diff_density_min         -0.437
_refine_diff_density_rms         0.103
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    geom
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3328
_refine_ls_number_restraints     97
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0964
_refine_ls_R_factor_gt           0.0628
_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^)+(0.1168P)^2^+97.5603P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1732
_refine_ls_wR_factor_ref         0.2029
_reflns_number_gt                2229
_reflns_number_total             3328
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic801516b_si_001_1.cif
_cod_data_source_block           meso-1
_cod_original_cell_volume        15054(9)
_cod_original_sg_symbol_H-M      'R -3 c'
_cod_database_code               4306695