Synthesis and Structural Studies of Lithium and Sodium Complexes with OOO-Tridentate Bis(phenolate) Ligands: Effective Catalysts for the Ring-Opening Polymerization of l-Lactide
Yong Huang; Yueh-Hsuan Tsai; Wen-Chou Hung; Chieh-Shen Lin; Wei Wang; Jui-Hsien Huang; Saikat Dutta; Chu-Chieh Lin; Inorganic Chemistry 49 (2010) 9416–9425; doi:10.1021/ic1011154

data_4316778
_publ_section_title
;
 Synthesis and Structural Studies of Lithium and Sodium Complexes with
 OOO-Tridentate Bis(phenolate) Ligands: Effective Catalysts for the
 Ring-Opening Polymerization of l-Lactide
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9416
_journal_page_last               9425
_journal_paper_doi               10.1021/ic1011154
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C100 H106 Li2 O6,2(C7)'
_chemical_formula_sum            'C114 H106 Li2 O6'
_chemical_formula_weight         1585.87
_chemical_name_systematic
; 
 ? 
;
_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                102.9710(10)
_cell_angle_beta                 99.7840(10)
_cell_angle_gamma                118.8160(10)
_cell_formula_units_Z            1
_cell_length_a                   13.2853(8)
_cell_length_b                   13.4469(8)
_cell_length_c                   16.6010(10)
_cell_measurement_reflns_used    4990
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.98
_cell_measurement_theta_min      2.184
_cell_volume                     2394.1(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker SMART 1000 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  0.0184
_diffrn_reflns_av_sigmaI/netI    0.0310
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13110
_diffrn_reflns_theta_full        26.01
_diffrn_reflns_theta_max         26.01
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6887
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Sheldrick (1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.100
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             844
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.515
_refine_diff_density_min         -0.397
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.175
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     527
_refine_ls_number_reflns         9269
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.175
_refine_ls_R_factor_all          0.0990
_refine_ls_R_factor_gt           0.0716
_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^)+(0.1400P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2180
_refine_ls_wR_factor_ref         0.2421
_reflns_number_gt                6143
_reflns_number_total             9269
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic1011154_si_001.cif
_cod_data_source_block           hy10m
_cod_original_cell_volume        2394.1(2)
_cod_database_code               4316778