Synthesis and structural determination of zinc complexes based on an anilido-aldimine ligand containing an O-donor pendant arm: zinc alkoxide derivative as an efficient initiator for ring-opening polymerization of cyclic esters.
Wang, Chao-Hsiang; Li, Chen-Yu; Huang, Bor-Hunn; Lin, Chu-Chieh; Ko, Bao-Tsan; Dalton transactions (Cambridge, England : 2003) 42 (2013) 10875–10884; doi:10.1039/c3dt50756d

data_7023124
_publ_section_title
;
 Synthesis and structural determination of zinc complexes based on an
 anilido-aldimine ligand containing an O-donor pendant arm: zinc alkoxide
 derivative as an efficient initiator for ring-opening polymerization of
 cyclic esters.
;
_journal_issue                   30
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10875
_journal_page_last               10884
_journal_paper_doi               10.1039/c3dt50756d
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C22 H30 N2 O'
_chemical_formula_sum            'C22 H30 N2 O'
_chemical_formula_weight         338.48
_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                 90.222(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   31.4201(10)
_cell_length_b                   8.0500(3)
_cell_length_c                   16.4354(6)
_cell_measurement_reflns_used    5419
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.39
_cell_measurement_theta_min      2.59
_cell_volume                     4157.0(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.886
_diffrn_measured_fraction_theta_max 0.898
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\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  0.0634
_diffrn_reflns_av_unetI/netI     0.0793
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            14550
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.48
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.5459
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.082
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.140
_refine_diff_density_min         -0.175
_refine_diff_density_rms         0.041
_refine_ls_extinction_coef       0.0085(10)
_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   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         4091
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.1552
_refine_ls_R_factor_gt           0.0788
_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^)+(0.0800P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1831
_refine_ls_wR_factor_ref         0.2064
_reflns_number_gt                1689
_reflns_number_total             4091
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt50756d.txt
_cod_data_source_block           mo26_0m
_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.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7023124