Self-assembly of heterodinuclear triple-stranded helicates: control by coordination number and charge.
Albrecht, Markus; Liu, Yufeng; Zhu, Sascha S; Schalley, Christoph A; Fröhlich, Roland; Chemical communications (Cambridge, England) 34 (2009) 1195–1197; doi:10.1039/b821819f

data_7104232
_publ_section_title
;
 Self-assembly of heterodinuclear triple-stranded helicates: control by
 coordination number and charge.
;
_journal_issue                   10
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1195
_journal_page_last               1197
_journal_paper_doi               10.1039/b821819f
_journal_volume                  34
_journal_year                    2009
_chemical_formula_sum            'C46 H40 La N7 O11 Ti'
_chemical_formula_weight         1053.66
_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   'at N from difmap, others geom'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                87.912(1)
_cell_angle_beta                 84.021(1)
_cell_angle_gamma                65.240(1)
_cell_formula_units_Z            2
_cell_length_a                   12.0557(3)
_cell_length_b                   13.5293(3)
_cell_length_c                   14.6211(4)
_cell_measurement_reflns_used    6558
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.88
_cell_measurement_theta_min      0.41
_cell_volume                     2153.70(9)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SCHAKAL (Keller, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0676
_diffrn_reflns_av_sigmaI/netI    0.0620
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            28190
_diffrn_reflns_theta_full        27.92
_diffrn_reflns_theta_max         27.92
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    1.236
_exptl_absorpt_correction_T_max  0.9408
_exptl_absorpt_correction_T_min  0.7901
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1995 & 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.625
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1064
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.703
_refine_diff_density_min         -1.399
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     607
_refine_ls_number_reflns         10191
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0582
_refine_ls_R_factor_gt           0.0393
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0430P)^2^+0.6557P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0849
_refine_ls_wR_factor_ref         0.0928
_reflns_number_gt                8205
_reflns_number_total             10191
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b821819f.txt
_cod_data_source_block           fro4627
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7104232