Heteroleptic lanthanide amides complexes bearing carbon-bridged bis(phenolate) ligands: synthesis, structure and their application in the polymerization of ε-caprolactone
Zhou, Yanxu; Shen, Yingzhong; Zhao, Jing; Wang, Yulong; Peng, Ling; Tao, Xian; RSC Adv.  (2016) –; doi:10.1039/C5RA23520K

data_7224253
_publ_section_title
;
 Heteroleptic lanthanide amides complexes bearing carbon-bridged
 bis(phenolate) ligands: synthesis, structure and their application in the
 polymerization of \e-caprolactone
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA23520K
_journal_year                    2016
_chemical_formula_sum            'C47 H67 La N2 O6'
_chemical_formula_weight         894.94
_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
_audit_update_record
;
2014-07-10 deposited with the CCDC.
2016-02-05 downloaded from the CCDC.
;
_cell_angle_alpha                75.288(2)
_cell_angle_beta                 70.091(2)
_cell_angle_gamma                63.392(2)
_cell_formula_units_Z            2
_cell_length_a                   13.336(2)
_cell_length_b                   14.166(3)
_cell_length_c                   16.340(3)
_cell_measurement_temperature    296(2)
_cell_volume                     2576.1(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0449
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            8990
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.34
_exptl_absorpt_coefficient_mu    0.871
_exptl_absorpt_correction_T_max  0.840
_exptl_absorpt_correction_T_min  0.840
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.154
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.2000
_exptl_crystal_size_mid          0.2000
_exptl_crystal_size_min          0.2000
_platon_squeeze_details
;
;
_refine_diff_density_max         1.817
_refine_diff_density_min         -0.591
_refine_diff_density_rms         0.162
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.119
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     565
_refine_ls_number_reflns         8990
_refine_ls_number_restraints     264
_refine_ls_restrained_S_all      1.120
_refine_ls_R_factor_all          0.0736
_refine_ls_R_factor_gt           0.0637
_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^)+(0.1590P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2101
_refine_ls_wR_factor_ref         0.2207
_reflns_number_gt                7543
_reflns_number_total             8990
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra23520k2.cif
_cod_data_source_block           140621c_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7224253