Synthesis of Bimetallic Bis(phenolate) N-Heterocyclic Carbene Lanthanide Complexes and Their Applications in the Ring-Opening Polymerization ofl-Lactide
Zhang, Min; Ni, Xufeng; Shen, Zhiquan; Organometallics 33 (2014) 6861–; doi:10.1021/om500930m

data_4084877
_publ_section_title
;
 Synthesis of Bimetallic Bis(phenolate) N-Heterocyclic Carbene Lanthanide
 Complexes and Their Applications in the Ring-Opening Polymerization
 ofl-Lactide
;
_journal_issue                   23
_journal_name_full               Organometallics
_journal_page_first              6861
_journal_paper_doi               10.1021/om500930m
_journal_volume                  33
_journal_year                    2014
_chemical_formula_moiety         'C140 H208 K2 N8 Nd2 O10'
_chemical_formula_sum            'C140 H208 K2 N8 Nd2 O10'
_chemical_formula_weight         2529.82
_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                63.773(4)
_cell_angle_beta                 71.725(4)
_cell_angle_gamma                80.526(3)
_cell_formula_units_Z            1
_cell_length_a                   15.1690(6)
_cell_length_b                   15.7988(7)
_cell_length_c                   17.6984(7)
_cell_measurement_reflns_used    7874
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      29.5282
_cell_measurement_theta_min      3.0978
_cell_volume                     3611.2(3)
_computing_cell_refinement       'CrysAlis PRO (Agilent Technologies, 2011)'
_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      170(2)
_diffrn_detector_area_resol_mean 10.3592
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0485
_diffrn_reflns_av_sigmaI/netI    0.0716
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            23027
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.10
_exptl_absorpt_coefficient_mu    0.823
_exptl_absorpt_correction_T_max  0.8527
_exptl_absorpt_correction_T_min  0.7786
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis PRO (Agilent Technologies, 2011) 
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.163
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1342
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.144
_refine_diff_density_min         -0.852
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     816
_refine_ls_number_reflns         13199
_refine_ls_number_restraints     156
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0619
_refine_ls_R_factor_gt           0.0471
_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^)+(0.0595P)^2^+2.9262P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1174
_refine_ls_wR_factor_ref         0.1283
_reflns_number_gt                11094
_reflns_number_total             13199
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500930m_si_002.cif
_cod_data_source_block           131118_zm_ndntms0924
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/ACS/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 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 4084876--4084881.cif.
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_cod_database_code               4084877