Synthesis and characterization of rare-earth metal complexes supported by a new pentadentate Schiff base and their application in heteroselective polymerization of rac-lactide
Cui, Yu; Gu, Weikai; Wang, Yaorong; Zhao, Bei; Yao, Yingming; Shen, Qi; Catal. Sci. Technol. 5 (2015) 3302–; doi:10.1039/C5CY00322A

data_1519364
_publ_section_title
;
 Synthesis and characterization of rare-earth metal complexes supported by
 a new pentadentate Schiff base and their application in heteroselective
 polymerization of rac-lactide
;
_journal_issue                   6
_journal_name_full               'Catal. Sci. Technol.'
_journal_page_first              3302
_journal_paper_doi               10.1039/C5CY00322A
_journal_volume                  5
_journal_year                    2015
_chemical_formula_moiety         'C61 H81 N2 Nd O5, 3(C4H8O)'
_chemical_formula_sum            'C73 H105 N2 Nd O8'
_chemical_formula_weight         1282.83
_chemical_name_systematic        'complex 5'
_chemical_properties_physical
'Air-sensitive, Moisture-sensitive, Oxygen-sensitive'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/cc149j21
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-03-03 deposited with the CCDC.
2015-04-13 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 99.151(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.8719(4)
_cell_length_b                   30.0322(13)
_cell_length_c                   21.6152(8)
_cell_measurement_reflns_used    12060
_cell_measurement_temperature    223.00(10)
_cell_measurement_theta_max      29.7750
_cell_measurement_theta_min      3.2940
_cell_volume                     6967.7(5)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223.00(10)
_diffrn_detector_area_resol_mean 10.4471
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini'
_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  0.0447
_diffrn_reflns_av_sigmaI/netI    0.0455
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            53214
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         3.17
_exptl_absorpt_coefficient_mu    0.798
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.67083
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'translucent dark yellow'
_exptl_crystal_density_diffrn    1.223
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2724
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.078
_refine_diff_density_min         -0.589
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     719
_refine_ls_number_reflns         14233
_refine_ls_number_restraints     45
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0598
_refine_ls_R_factor_gt           0.0418
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0543P)^2^+8.1598P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1071
_refine_ls_wR_factor_ref         0.1157
_reflns_number_gt                11213
_reflns_number_total             14233
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cy00322a2.cif
_cod_data_source_block           g140418b
_cod_depositor_comments
'Adding full bibliography for 1519361--1519366.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1519364