Polynuclear lanthanide complexes of a series of bridging ligands containing two tridentate N,N',O-donor units: structures and luminescence properties.
Ronson, Tanya K.; Adams, Harry; Harding, Lindsay P.; Pope, Simon J. A.; Sykes, Daniel; Faulkner, Stephen; Ward, Michael D.; Dalton transactions (Cambridge, England : 2003)  (2007) 1006–1022; doi:10.1039/b618258e

data_7005231
_publ_section_title
;
 Polynuclear lanthanide complexes of a series of bridging ligands
 containing two tridentate N,N',O-donor units: structures and
 luminescence properties.
;
_journal_issue                   10
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1006
_journal_page_last               1022
_journal_paper_doi               10.1039/b618258e
_journal_year                    2007
_chemical_formula_sum            'C80 H104 Cl5 N19 O30 Yb2'
_chemical_formula_weight         2335.15
_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                91.300(3)
_cell_angle_beta                 105.283(2)
_cell_angle_gamma                103.157(2)
_cell_formula_units_Z            2
_cell_length_a                   14.5305(9)
_cell_length_b                   14.6421(9)
_cell_length_c                   24.2903(15)
_cell_measurement_reflns_used    8800
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.07
_cell_measurement_theta_min      2.27
_cell_volume                     4835.5(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0717
_diffrn_reflns_av_sigmaI/netI    0.0666
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            69390
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         0.87
_exptl_absorpt_coefficient_mu    2.148
_exptl_absorpt_correction_T_max  0.9788
_exptl_absorpt_correction_T_min  0.7250
_exptl_absorpt_correction_type   mullti-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            clear
_exptl_crystal_density_diffrn    1.604
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2364
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.01
_refine_diff_density_max         2.565
_refine_diff_density_min         -0.858
_refine_diff_density_rms         0.137
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.995
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1284
_refine_ls_number_reflns         18874
_refine_ls_number_restraints     73
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.0677
_refine_ls_R_factor_gt           0.0431
_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^)+(0.0465P)^2^+16.3072P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0977
_refine_ls_wR_factor_ref         0.1108
_reflns_number_gt                14039
_reflns_number_total             18874
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b618258e.txt
_cod_data_source_block           imw534
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7005231