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_7715660
_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         'C68 H76 N8 Zn2'
_chemical_formula_sum            'C68 H76 N8 Zn2'
_chemical_formula_weight         1136.11
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_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
_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                 103.280(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.8451(4)
_cell_length_b                   20.7782(5)
_cell_length_c                   20.2976(5)
_cell_measurement_reflns_used    5317
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.1454
_cell_measurement_theta_min      2.7646
_cell_volume                     6093.5(3)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_computing_data_reduction        'Bruker SHELXTL'
_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 0.996
_diffrn_measured_fraction_theta_max 0.854
_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  0.0391
_diffrn_reflns_av_sigmaI/netI    0.1037
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            15464
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         29.22
_diffrn_reflns_theta_min         2.85
_exptl_absorpt_coefficient_mu    0.834
_exptl_absorpt_correction_T_max  0.9212
_exptl_absorpt_correction_T_min  0.8509
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlis RED, Oxford Diffraction Ltd., 
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET) 
(compiled Jun 10 2008,16:49:55) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.238
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelpied
_exptl_crystal_F_000             2400
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.590
_refine_diff_density_min         -0.753
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         7071
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0854
_refine_ls_R_factor_gt           0.0455
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0200P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0699
_refine_ls_wR_factor_ref         0.0731
_reflns_number_gt                4287
_reflns_number_total             7071
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d4dt00188e2.cif
_cod_data_source_block           ctc399
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'multi-scan ' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 7715657--7715661.cif.
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7715660