Electron-Deficient β-Diiminato-Zinc-Ethyl Complexes: Synthesis, Structure, and Reactivity in Ring-Opening Polymerization of Lactones
Kronast, Alexander; Reiter, Marina; Altenbuchner, Peter T.; Jandl, Christian; Pöthig, Alexander; Rieger, Bernhard; Organometallics 35 (2016) 681–; doi:10.1021/acs.organomet.5b00983

data_4088277
_publ_section_title
;
 Electron-Deficient \b-Diiminato-Zinc-Ethyl Complexes: Synthesis,
 Structure, and Reactivity in Ring-Opening Polymerization of Lactones
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              681
_journal_paper_doi               10.1021/acs.organomet.5b00983
_journal_volume                  35
_journal_year                    2016
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C27 H32 F6 N2 Zn'
_chemical_formula_sum            'C27 H32 F6 N2 Zn'
_chemical_formula_weight         563.94
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 96.137(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.4913(7)
_cell_length_b                   10.7240(6)
_cell_length_c                   20.1647(11)
_cell_measurement_reflns_used    9804
_cell_measurement_temperature    150
_cell_measurement_theta_max      26.3270
_cell_measurement_theta_min      2.5093
_cell_volume                     2685.7(3)
_computing_cell_refinement       'SAINT (Bruker, 2012)'
_computing_data_collection       'APEX II Control Software (Bruker, 2013)'
_computing_data_reduction        'SAINT (Bruker, 2012)'
_computing_molecular_graphics    'PLATON (Spek, 2011)'
_computing_publication_material  'PLATON (Spek, 2011), enCIFer (Allen, 2004)'
_computing_structure_refinement
'SHELXL2014 (Sheldrick, 2014), SHELXLE (Huebschle, 2011)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150
_diffrn_detector                 ' CCD plate '
_diffrn_detector_area_resol_mean 16
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       ' \k-geometry diffractometer '
_diffrn_measurement_device_type  ' Bruker APEX-II CCD '
_diffrn_measurement_method       ' phi- and omega-rotation '
_diffrn_radiation_monochromator  'Triumph optic'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0227
_diffrn_reflns_av_sigmaI/netI    0.0103
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            78871
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.974
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6854
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker, 2008b'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.395
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.533
_exptl_crystal_size_mid          0.437
_exptl_crystal_size_min          0.338
_refine_diff_density_max         0.614
_refine_diff_density_min         -0.364
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         5299
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0329
_refine_ls_R_factor_gt           0.0283
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'W=1/[\S^2^(FO^2^)+(0.0398P)^2^+1.6972P] WHERE P=(FO^2^+2FC^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0738
_refine_ls_wR_factor_ref         0.0774
_reflns_number_gt                4766
_reflns_number_total             5299
_reflns_threshold_expression     i>2\s(i)
_cod_data_source_file            om5b00983_si_001.cif
_cod_data_source_block           compound_II
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4088277