Zirconium Complexes of Phenylene-Bridged {ONSO} Ligands: Coordination Chemistry and Stereoselective Polymerization of rac-Lactide.
Stopper, Ayellet; Press, Konstantin; Okuda, Jun; Goldberg, Israel; Kol, Moshe; Inorganic chemistry 53 (2014) 9140–9150; doi:10.1021/ic501164c

data_4340800
_publ_section_title
;
 Zirconium Complexes of Phenylene-Bridged {ONSO} Ligands: Coordination
 Chemistry and Stereoselective Polymerization of rac-Lactide.
;
_journal_issue                   17
_journal_name_full               'Inorganic chemistry'
_journal_page_first              9140
_journal_page_last               9150
_journal_paper_doi               10.1021/ic501164c
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         'C28 H29 Br4 N O4 S Zr'
_chemical_formula_sum            'C28 H29 Br4 N O4 S Zr'
_chemical_formula_weight         886.44
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.8978(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.5039(2)
_cell_length_b                   10.54030(10)
_cell_length_c                   19.2366(3)
_cell_measurement_reflns_used    7304
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      27.87
_cell_measurement_theta_min      2.34
_cell_volume                     3141.84(7)
_computing_cell_refinement       Denzo
_computing_data_collection       'Collect, Nonius B.V.'
_computing_data_reduction        'Denzo & Scalepack'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      110(2)
_diffrn_detector_area_resol_mean 12.8
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '1 deg. \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  0.0430
_diffrn_reflns_av_sigmaI/netI    0.0427
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            28072
_diffrn_reflns_theta_full        27.87
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         2.34
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.537
_exptl_absorpt_correction_T_max  0.4905
_exptl_absorpt_correction_T_min  0.3382
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing, 1995'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.874
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1728
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.618
_refine_diff_density_min         -0.724
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     358
_refine_ls_number_reflns         7444
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0484
_refine_ls_R_factor_gt           0.0310
_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^)+(0.0385P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0665
_refine_ls_wR_factor_ref         0.0718
_reflns_number_gt                5861
_reflns_number_total             7444
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic501164c_si_001.cif
_cod_data_source_block           mk253
_cod_depositor_comments
'Adding full bibliography for 4340799--4340803.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4340800