Tunable zinc benzamidinate complexes: coordination modes and catalytic activity in the ring-opening polymerization of L-lactide.
Chang, Chen-Chieh; Chen, Ming-Tsz; Huang, Tzu-Lun; Chen, Chi-Tien; Dalton transactions (Cambridge, England : 2003) 53 (2024) 7229–7238; doi:10.1039/d4dt00188e

data_7715661
_publ_section_title
;
 Tunable zinc benzamidinate complexes: coordination modes and catalytic
 activity in the ring-opening polymerization of L-lactide.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7229
_journal_page_last               7238
_journal_paper_doi               10.1039/d4dt00188e
_journal_volume                  53
_journal_year                    2024
_chemical_formula_moiety         'C38 H32 N6 Zn'
_chemical_formula_sum            'C38 H32 N6 Zn'
_chemical_formula_weight         638.07
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-02-03 deposited with the CCDC.	2024-04-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.3353(3)
_cell_length_b                   18.1750(4)
_cell_length_c                   26.2092(6)
_cell_measurement_reflns_used    19543
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.4334
_cell_measurement_theta_min      2.8143
_cell_volume                     6352.3(2)
_computing_cell_refinement
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.46 (release 27-08-2009 CrysAlis171 .NET) 
(compiled Aug 27 2009,17:19:36) 
;
_computing_data_collection
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.46 (release 27-08-2009 CrysAlis171 .NET) 
(compiled Aug 27 2009,17:19:36) 
;
_computing_data_reduction
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.46 (release 27-08-2009 CrysAlis171 .NET) 
(compiled Aug 27 2009,17:19:36) 
;
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.897
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0235
_diffrn_reflns_av_sigmaI/netI    0.0246
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            36959
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         29.50
_diffrn_reflns_theta_min         2.82
_exptl_absorpt_coefficient_mu    0.810
_exptl_absorpt_correction_T_max  0.7931
_exptl_absorpt_correction_T_min  0.6874
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Oxford Diffraction Ltd., 
Version 1.171.33.46 (release 27-08-2009 CrysAlis171 .NET) 
(compiled Aug 27 2009,17:19:36) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelpied
_exptl_crystal_F_000             2656
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.43
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.423
_refine_diff_density_min         -0.343
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         7946
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0433
_refine_ls_R_factor_gt           0.0276
_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^)+(0.0500P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0738
_refine_ls_wR_factor_ref         0.0779
_reflns_number_gt                6111
_reflns_number_total             7946
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d4dt00188e2.cif
_cod_data_source_block           ctc401
_cod_depositor_comments
'Adding full bibliography for 7715657--7715661.cif.'
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7715661