Exceptionally high lactide polymerization activity of zirconium complexes with bridged diketiminate ligands.
El-Zoghbi, Ibrahim; Whitehorne, Todd J. J.; Schaper, Frank; Dalton transactions (Cambridge, England : 2003) 42 (2013) 9376–9387; doi:10.1039/c2dt31761c

data_7022120
_publ_section_title
;
 Exceptionally high lactide polymerization activity of zirconium complexes
 with bridged diketiminate ligands.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9376
_journal_page_last               9387
_journal_paper_doi               10.1039/c2dt31761c
_journal_volume                  42
_journal_year                    2013
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety         'C34 H48 N4 Zr'
_chemical_formula_sum            'C34 H48 N4 Zr'
_chemical_formula_weight         603.98
_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
_cell_angle_beta                 91.042(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.4759(9)
_cell_length_b                   14.9142(12)
_cell_length_c                   18.6288(14)
_cell_measurement_reflns_used    55149
_cell_measurement_temperature    150
_cell_measurement_theta_max      69.31
_cell_measurement_theta_min      3.80
_cell_volume                     3187.9(4)
_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 v6.12 (Bruker AXS, 2001)'
_computing_publication_material  'UdMX (Maris, 2004)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Microstar'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'Helios optics'
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.083
_diffrn_reflns_av_sigmaI/netI    0.0236
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            116139
_diffrn_reflns_theta_full        69.81
_diffrn_reflns_theta_max         69.81
_diffrn_reflns_theta_min         3.80
_exptl_absorpt_coefficient_mu    3.021
_exptl_absorpt_correction_T_max  0.7393
_exptl_absorpt_correction_T_min  0.5469
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick, 1996)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.258
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1280
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.391
_refine_diff_density_min         -0.677
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.156
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     407
_refine_ls_number_reflns         5989
_refine_ls_number_restraints     89
_refine_ls_restrained_S_all      1.230
_refine_ls_R_factor_all          0.0469
_refine_ls_R_factor_gt           0.0446
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0483P)^2^+5.7398P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1167
_refine_ls_wR_factor_ref         0.1179
_reflns_number_gt                5599
_reflns_number_total             5989
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c2dt31761c.txt
_cod_data_source_block           todd34
_cod_depositor_comments
;
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 2.4.2 from
2011-04-26.

'_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 2.4.2 from 2011-04-26 (124
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 2.4.2 from 2011-04-26 (252
times).

'_geom_torsion_publ_flag' value 'Y' changed to 'y' according
to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary
named 'cif_core.dic' version 2.4.2 from 2011-04-26 (206 times).

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7022120