Square-Planar Cu(II) Diketiminate Complexes in Lactide Polymerization
Todd J. J. Whitehorne; Frank Schaper; Inorganic Chemistry 52 (2013) 13612–13622; doi:10.1021/ic402133c

data_4336879
_publ_section_title
;
 Square-Planar Cu(II) Diketiminate Complexes in Lactide Polymerization
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              13612
_journal_page_last               13622
_journal_paper_doi               10.1021/ic402133c
_journal_volume                  52
_journal_year                    2013
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety         'C46 H58 Cu N4'
_chemical_formula_sum            'C46 H58 Cu N4'
_chemical_formula_weight         730.50
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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-2013
_cell_angle_alpha                90
_cell_angle_beta                 97.799(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.6129(5)
_cell_length_b                   10.4872(3)
_cell_length_c                   23.5375(7)
_cell_measurement_reflns_used    9938
_cell_measurement_temperature    100
_cell_measurement_theta_max      70.51
_cell_measurement_theta_min      2.68
_cell_volume                     4062.8(2)
_computing_cell_refinement       'SAINT V7.68A(Bruker AXS, 2009)'
_computing_data_collection       'APEX2  (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT V7.68A(Bruker AXS, 2009)'
_computing_molecular_graphics    'SHELXTL  (Bruker AXS, 2003)'
_computing_publication_material  'UdMX (Maris, 2004)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker Proteum X8 / Microstar system'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  'Helios multi-layers optics'
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.046
_diffrn_reflns_av_unetI/netI     0.0259
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            58938
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         71.166
_diffrn_reflns_theta_min         2.685
_exptl_absorpt_coefficient_mu    1.018
_exptl_absorpt_correction_T_max  0.7534
_exptl_absorpt_correction_T_min  0.5829
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 2008)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.194
_exptl_crystal_description       block
_exptl_crystal_F_000             1564
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.13
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     472
_refine_ls_number_reflns         7830
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0458
_refine_ls_R_factor_gt           0.0369
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0627P)^2^+1.5812P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0962
_refine_ls_wR_factor_ref         0.1031
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6682
_reflns_number_total             7830
_cod_data_source_file            ic402133c_si_002_2.cif
_cod_data_source_block           TODD36
_cod_database_code               4336879