1 : 1 vs. 2 : 1 coordination of pentadentate hydrazone-type ligands to lanthanide(iii) ions. Formation of cationic as well as dicationic complexes
Albrecht, Markus; Yulia, Yeni; Exarchos, Anna; Nachev, Philipp; Fröhlich, Roland; Dalton Transactions  (2009) 7421–7427; doi:10.1039/b905049c

data_7002135
_publ_section_title
;
 1 : 1 vs. 2 : 1 coordination of pentadentate hydrazone-type ligands to
 lanthanide(iii) ions. Formation of cationic as well as dicationic
 complexes
;
_journal_issue                   36
_journal_name_full               'Dalton Transactions'
_journal_page_first              7421
_journal_page_last               7427
_journal_paper_doi               10.1039/b905049c
_journal_year                    2009
_chemical_formula_sum            'C45 H30 Br4 F9 N10 O13 Pr S3'
_chemical_formula_weight         1646.52
_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                92.500(1)
_cell_angle_beta                 105.367(1)
_cell_angle_gamma                112.917(1)
_cell_formula_units_Z            2
_cell_length_a                   12.9360(1)
_cell_length_b                   13.9724(1)
_cell_length_c                   19.8120(3)
_cell_measurement_reflns_used    3147
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.88
_cell_measurement_theta_min      0.41
_cell_volume                     3136.64(7)
_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 0.976
_diffrn_measured_fraction_theta_max 0.976
_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  0.047
_diffrn_reflns_av_sigmaI/netI    0.0486
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            33961
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.08
_exptl_absorpt_coefficient_mu    3.514
_exptl_absorpt_correction_T_max  0.6207
_exptl_absorpt_correction_T_min  0.3008
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Denzo (Otwinowski, Borek, Majewski & Minor, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.743
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       column
_exptl_crystal_F_000             1604
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_platon_squeeze_details
;
The results of the squeeze routine were appended to the CIF to give
the locations of the voids and the content of them. The SQUEEZE routine
was not used, the corrected HKL-file did not improve the model.
;
_refine_diff_density_max         3.523
_refine_diff_density_min         -2.262
_refine_diff_density_rms         0.196
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     839
_refine_ls_number_reflns         15220
_refine_ls_number_restraints     483
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0917
_refine_ls_R_factor_gt           0.0710
_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^)+(0.1342P)^2^+10.9100P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2029
_refine_ls_wR_factor_ref         0.2203
_reflns_number_gt                11889
_reflns_number_total             15220
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b905049c.txt
_cod_data_source_block           fro4511
_cod_original_cell_volume        3136.64(6)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7002135