Oxo-Bridged Bimetallic Group 4 Complexes Bearing Amine-Bis(benzotriazole phenolate) Derivatives as Bifunctional Catalysts for Ring-Opening Polymerization of Lactide and Copolymerization of Carbon Dioxide with Cyclohexene Oxide
Su, Ching-Kai; Chuang, Hui-Ju; Li, Chen-Yu; Yu, Chun-Yue; Ko, Bao-Tsan; Chen, Jhy-Der; Chen, Ming-Jen; Organometallics 33 (2014) 7091–; doi:10.1021/om500784a

data_4084957
_publ_section_title
;
 Oxo-Bridged Bimetallic Group 4 Complexes Bearing Amine-Bis(benzotriazole
 phenolate) Derivatives as Bifunctional Catalysts for Ring-Opening
 Polymerization of Lactide and Copolymerization of Carbon Dioxide with
 Cyclohexene Oxide
;
_journal_issue                   24
_journal_name_full               Organometallics
_journal_page_first              7091
_journal_paper_doi               10.1021/om500784a
_journal_volume                  33
_journal_year                    2014
_chemical_formula_moiety         'C76 H86 N16 O7 Ti2, C7 H8'
_chemical_formula_sum            'C83 H94 N16 O7 Ti2'
_chemical_formula_weight         1523.49
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.3330(5)
_cell_length_b                   24.6786(5)
_cell_length_c                   29.4375(7)
_cell_measurement_reflns_used    9881
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.82
_cell_measurement_theta_min      2.19
_cell_volume                     15497.9(6)
_computing_cell_refinement       'Bruker APEX2 (Bruker, 2008)'
_computing_data_collection       'APEX2 (Bruker, 2008)'
_computing_data_reduction        'Bruker APEX2 (Bruker, 2008)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.1121
_diffrn_reflns_av_sigmaI/netI    0.1274
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            152917
_diffrn_reflns_theta_full        28.35
_diffrn_reflns_theta_max         28.35
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    0.272
_exptl_absorpt_correction_T_max  0.9707
_exptl_absorpt_correction_T_min  0.9277
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS, 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             6432
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.623
_refine_diff_density_min         -0.517
_refine_diff_density_rms         0.068
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.017(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1963
_refine_ls_number_reflns         38465
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.1264
_refine_ls_R_factor_gt           0.0618
_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^)+(0.0479P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1104
_refine_ls_wR_factor_ref         0.1314
_reflns_number_gt                23900
_reflns_number_total             38465
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500784a_si_002.cif
_cod_data_source_block           kyle20_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 4084955--4084959.cif.
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_cod_database_code               4084957