Lanthanide(III) di- and tetra-nuclear complexes supported by a chelating tripodal tris(amidate) ligand.
Brown, Jessie L.; Jones, Matthew B.; Gaunt, Andrew J.; Scott, Brian L.; MacBeth, Cora E.; Gordon, John C.; Inorganic chemistry 54 (2015) 4064–4075; doi:10.1021/acs.inorgchem.5b00299

data_4346102
_publ_section_title
;
 Lanthanide(III) di- and tetra-nuclear complexes supported by a chelating
 tripodal tris(amidate) ligand.
;
_journal_issue                   8
_journal_name_full               'Inorganic chemistry'
_journal_page_first              4064
_journal_page_last               4075
_journal_paper_doi               10.1021/acs.inorgchem.5b00299
_journal_volume                  54
_journal_year                    2015
_chemical_formula_sum            'C162 H226 Ce4 N16 O12'
_chemical_formula_weight         3150.07
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 108.002(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   67.248(12)
_cell_length_b                   15.982(3)
_cell_length_c                   30.730(6)
_cell_measurement_temperature    120(1)
_cell_volume                     31410(10)
_computing_cell_refinement       'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_data_collection       'APEX II, v. 7.0 (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_molecular_graphics    'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_publication_material  'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker D8 with APEXII CCD'
_diffrn_measurement_method       '\w scans'
_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    0.0827
_diffrn_reflns_limit_h_max       81
_diffrn_reflns_limit_h_min       -81
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            154417
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.71
_diffrn_reflns_theta_min         1.84
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.200
_exptl_absorpt_correction_T_max  0.8894
_exptl_absorpt_correction_T_min  0.8312
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v. 2.03 (Sheldrick, 2008)'
_exptl_crystal_colour            'pale orange'
_exptl_crystal_density_diffrn    1.332
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             13104
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.10
_platon_squeeze_details
;
Five hexane solvent molecules per tetramer were treated
using squeeze.
;
_refine_diff_density_max         0.948
_refine_diff_density_min         -1.680
_refine_diff_density_rms         0.098
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.915
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1621
_refine_ls_number_reflns         29777
_refine_ls_number_restraints     44
_refine_ls_restrained_S_all      0.916
_refine_ls_R_factor_all          0.0758
_refine_ls_R_factor_gt           0.0449
_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^)+(0.0498P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0963
_refine_ls_wR_factor_ref         0.1060
_reflns_number_gt                20106
_reflns_number_total             29777
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic5b00299_si_004.cif
_cod_data_source_block           Complex_4
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4346102