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_4084955
_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         '2(C38 H46 N8 O4 Ti), C H2 Cl2'
_chemical_formula_sum            'C38.5 H47 Cl N8 O4 Ti'
_chemical_formula_weight         769.19
_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_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.143(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.5207(5)
_cell_length_b                   21.9509(8)
_cell_length_c                   26.8369(10)
_cell_measurement_reflns_used    9771
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      2.21
_cell_volume                     7884.7(5)
_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 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0375
_diffrn_reflns_av_sigmaI/netI    0.0383
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            73116
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    0.335
_exptl_absorpt_correction_T_max  0.9422
_exptl_absorpt_correction_T_min  0.8723
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS, 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3240
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.261
_refine_diff_density_min         -0.633
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     962
_refine_ls_number_reflns         19518
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.0653
_refine_ls_R_factor_gt           0.0532
_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^)+(0.0470P)^2^+17.5307P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1393
_refine_ls_wR_factor_ref         0.1451
_reflns_number_gt                16085
_reflns_number_total             19518
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500784a_si_002.cif
_cod_data_source_block           kyle24_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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.
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4084955