Lactide Polymerization with Chiral β-Diketiminate Zinc Complexes
Drouin, Frédéric; Oguadinma, Paul O.; Whitehorne, Todd J. J.; Prud’homme, Robert E.; Schaper, Frank; Organometallics 29 (2010) 2139–; doi:10.1021/om100154w

data_4065832
_publ_section_title
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 Lactide Polymerization with Chiral \b-Diketiminate Zinc Complexes
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_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              2139
_journal_paper_doi               10.1021/om100154w
_journal_volume                  29
_journal_year                    2010
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety         'C38 H42 N4 Zn'
_chemical_formula_sum            'C38 H42 N4 Zn'
_chemical_formula_weight         620.13
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 90.0100(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.8210(3)
_cell_length_b                   15.1994(3)
_cell_length_c                   14.2091(3)
_cell_measurement_reflns_used    11187
_cell_measurement_temperature    150
_cell_measurement_theta_max      72.47
_cell_measurement_theta_min      3.11
_cell_volume                     3200.89(11)
_computing_cell_refinement       'APEX II (Bruker, 2006)'
_computing_data_collection       'APEX II (Bruker, 2006)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'UdMX (local program)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150
_diffrn_detector_area_resol_mean 5.5
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker Smart 6000'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'Montel 200 optics'
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.033
_diffrn_reflns_av_sigmaI/netI    0.0210
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            20811
_diffrn_reflns_theta_full        72.48
_diffrn_reflns_theta_max         72.48
_diffrn_reflns_theta_min         4.17
_diffrn_standards_decay_%        0.00
_diffrn_standards_number         5
_exptl_absorpt_coefficient_mu    1.303
_exptl_absorpt_correction_T_max  0.8333
_exptl_absorpt_correction_T_min  0.8161
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick,1996)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.287
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.303
_refine_diff_density_min         -0.282
_refine_diff_density_rms         0.052
_refine_ls_extinction_coef       0.00096(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         3143
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0337
_refine_ls_R_factor_gt           0.0312
_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^)+(0.0530P)^2^+1.4791P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0880
_refine_ls_wR_factor_ref         0.0895
_reflns_number_gt                2855
_reflns_number_total             3143
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om100154w_si_001.cif
_cod_data_source_block           paul07
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_geom_bond_publ_flag' value 'Y' changed to 'y'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (28
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29 (38 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4065832