Synthesis and characterization of benzoxazine-functionalized amine bridged bis(phenolate) lanthanide complexes and their application in the ring-opening polymerization of cyclic esters.
Liang, Zhenhua; Ni, Xufeng; Li, Xue; Shen, Zhiquan; Dalton transactions (Cambridge, England : 2003) 41 (2012) 2812–2819; doi:10.1039/c2dt11736c

data_7018176
_publ_section_title
;
 Synthesis and characterization of benzoxazine-functionalized amine
 bridged bis(phenolate) lanthanide complexes and their application in the
 ring-opening polymerization of cyclic esters.
;
_journal_issue                   9
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2812
_journal_page_last               2819
_journal_paper_doi               10.1039/c2dt11736c
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C78 H108 N4 O6 Yb, C20 H40 Na O8'
_chemical_formula_sum            'C98 H148 N4 Na O14 Yb'
_chemical_formula_weight         1802.23
_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                88.251(2)
_cell_angle_beta                 81.427(2)
_cell_angle_gamma                75.735(2)
_cell_formula_units_Z            2
_cell_length_a                   16.5630(4)
_cell_length_b                   18.4928(4)
_cell_length_c                   19.0775(5)
_cell_measurement_reflns_used    20537
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      29.5912
_cell_measurement_theta_min      2.9889
_cell_volume                     5599.8(2)
_computing_cell_refinement       'CrysAlis PRO (Oxford Diffraction, 2010)'
_computing_data_collection       'CrysAlis PRO'
_computing_data_reduction        'CrysAlis PRO'
_computing_molecular_graphics    'OLEX2 (Dolomanov et al., 2009)'
_computing_publication_material  OLEX2
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      110(2)
_diffrn_detector_area_resol_mean 10.3592
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_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  0.0479
_diffrn_reflns_av_sigmaI/netI    0.0533
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            64784
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    0.892
_exptl_absorpt_correction_T_max  0.8375
_exptl_absorpt_correction_T_min  0.8112
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis PRO (Oxford Diffraction, 2010)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.069
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1914
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.32
_platon_squeeze_details
;
;
_refine_diff_density_max         2.532
_refine_diff_density_min         -0.940
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.113
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1107
_refine_ls_number_reflns         20442
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.0492
_refine_ls_R_factor_gt           0.0385
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0560P)^2^+2.3554P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1004
_refine_ls_wR_factor_ref         0.1071
_reflns_number_gt                17383
_reflns_number_total             20442
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt11736c.txt
_cod_data_source_block           110714_yb_bb
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               7018176