Synthesis and characterization of dinuclear rare-earth complexes supported by amine-bridged bis(phenolate) ligands and their catalytic activity for the ring-opening polymerization of l-lactide.
Duan, Yu-Lai; He, Jia-Xuan; Wang, Wei; Zhou, Jing-Jing; Huang, Yong; Yang, Ying; Dalton transactions (Cambridge, England : 2003) 45 (2016) 10807–10820; doi:10.1039/c6dt01486k

data_7039431
_publ_section_title
;
 Synthesis and characterization of dinuclear rare-earth complexes
 supported by amine-bridged bis(phenolate) ligands and their catalytic
 activity for the ring-opening polymerization of l-lactide.
;
_journal_issue                   26
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10807
_journal_page_last               10820
_journal_paper_doi               10.1039/c6dt01486k
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety
'C94 H146 Li6 N2 O16, 2(C4 O), C4 H6 O, C2, 2(C H2)'
_chemical_formula_sum            'C110 H156 Li6 N2 O19'
_chemical_formula_weight         1852.01
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_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
_audit_update_record
;
2016-04-01 deposited with the CCDC.
2016-06-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 103.886(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.2206(6)
_cell_length_b                   26.5314(12)
_cell_length_c                   26.9480(10)
_cell_measurement_reflns_used    6888
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4780
_cell_measurement_theta_min      3.1440
_cell_volume                     11952.4(8)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_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  0.0343
_diffrn_reflns_av_sigmaI/netI    0.0463
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            26990
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.13
_exptl_absorpt_coefficient_mu    0.068
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.78546
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.029
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4000
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.602
_refine_diff_density_min         -0.289
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     758
_refine_ls_number_reflns         10504
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.1321
_refine_ls_R_factor_gt           0.0959
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0100P)^2^+66.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1860
_refine_ls_wR_factor_ref         0.1976
_reflns_number_gt                6994
_reflns_number_total             10504
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt01486k1.cif
_cod_data_source_block           hy76
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7039431--7039442.cif.
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7039431