Synthesis, Characterization, and Lactide Polymerization Activity of Group 4 Metal Complexes Containing Two Bis(phenolate) Ligands
Andreas Sauer; Jean-Charles Buffet; Thomas P. Spaniol; Haruki Nagae; Kazushi Mashima; Jun Okuda; Inorganic Chemistry 51 (2012) 5764–5770; doi:10.1021/ic300271h

data_4329202
_publ_contact_author_address
;
        Institute of Inorganic Chemistry
        RWTH Aachen University
        Landoltweg 1
        D-52056 Aachen
        Germany
;
_publ_contact_author_email       jun.okuda@ac.rwth-aachen.de
_publ_contact_author_fax         0049-241-8092644
_publ_contact_author_name        'Jun Okuda'
_publ_contact_author_phone       0049-241-8094645
_publ_section_title
;
 Synthesis, Characterization, and Lactide Polymerization Activity of Group
 4 Metal Complexes Containing Two Bis(phenolate) Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5764
_journal_page_last               5770
_journal_paper_doi               10.1021/ic300271h
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'C60 H88 Hf O4 S4, 2(C7 H8)'
_chemical_formula_sum            'C74 H104 Hf O4 S4'
_chemical_formula_weight         1364.30
_space_group_IT_number           50
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ab 2b'
_symmetry_space_group_name_H-M   'P b a n :2'
_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            2
_cell_length_a                   17.7598(10)
_cell_length_b                   13.1884(7)
_cell_length_c                   14.8484(8)
_cell_measurement_reflns_used    9083
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      29.99
_cell_measurement_theta_min      2.36
_cell_volume                     3477.8(3)
_computing_cell_refinement       'Bruker SMART (2001)'
_computing_data_collection       'Bruker SMART (2001)'
_computing_data_reduction        'Bruker SAINT+ (1999)'
_computing_molecular_graphics    'ORTEP-III (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare 1992)'
_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.947
_diffrn_measurement_device_type  'APEX Area Detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  'multilayer optics'
_diffrn_radiation_source         'INCOATEC microsource'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0695
_diffrn_reflns_av_sigmaI/netI    0.0337
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            49410
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         30.78
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    1.666
_exptl_absorpt_correction_T_max  0.6905
_exptl_absorpt_correction_T_min  0.5853
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker Mulabs'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.303
_exptl_crystal_description       block
_exptl_crystal_F_000             1432
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.24
_refine_diff_density_max         1.587
_refine_diff_density_min         -1.003
_refine_diff_density_rms         0.159
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.242
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     179
_refine_ls_number_reflns         5171
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.242
_refine_ls_R_factor_all          0.0519
_refine_ls_R_factor_gt           0.0464
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0206P)^2^+17.9792P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1120
_refine_ls_wR_factor_ref         0.1140
_reflns_number_gt                4630
_reflns_number_total             5171
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic300271h_si_002_1.cif
_cod_data_source_block           Hf-(1)2
_cod_original_sg_symbol_H-M      'P b a n'
_cod_database_code               4329202