Zn(II)- and Mg(II)-Complexes of a Tridentate {ONN} Ligand: Application to Poly(lactic acid) Production and Chemical Upcycling of Polyesters
Payne, Jack M.; Kociok-Köhn, Gabriele; Emanuelsson, Emma A. C.; Jones, Matthew D.; Macromolecules 54 (2021) 8453–8469; doi:10.1021/acs.macromol.1c01207

data_1564813
_publ_section_title
;
 Zn(II)- and Mg(II)-Complexes of a Tridentate {ONN} Ligand: Application to
 Poly(lactic acid) Production and Chemical Upcycling of Polyesters
;
_journal_issue                   18
_journal_name_full               Macromolecules
_journal_page_first              8453
_journal_page_last               8469
_journal_paper_doi               10.1021/acs.macromol.1c01207
_journal_volume                  54
_journal_year                    2021
_chemical_formula_moiety         'C76 H144 N8 O14 Si6 Zn6, 4(C7 H8)'
_chemical_formula_sum            'C104 H176 N8 O14 Si6 Zn6'
_chemical_formula_weight         2323.28
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                86.515(2)
_cell_angle_beta                 79.139(2)
_cell_angle_gamma                70.937(2)
_cell_formula_units_Z            1
_cell_length_a                   13.6831(4)
_cell_length_b                   14.4983(3)
_cell_length_c                   16.1583(4)
_cell_measurement_reflns_used    22158
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      71.4530
_cell_measurement_theta_min      3.9570
_cell_volume                     2975.45(14)
_computing_cell_refinement       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_molecular_graphics
'ORTEP3 for Windows - Farrugia, L. J. J. Appl. Crystallogr. 1997, 30, 565'
_computing_publication_material
;
 'WinGX publication routines, Farrugia, 
 L. J., J. Appl. Crystallogr., 1999, 32, 837-838
;
_computing_structure_refinement
;
 SHELXL-2018/3 (Sheldrick, 2018)
 Sheldrick GM (2008) Acta Crystallogr A64:112--122 and 
 C. B. H\"ubschle, G. M. Sheldrick and B. Dittrich
 ShelXle: a Qt graphical user interface for SHELXL
 J. Appl. Cryst., 44, (2011) 1281-1284.
;
_computing_structure_solution
; 
 SHELXT
 Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
;
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.1150
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0492
_diffrn_reflns_av_unetI/netI     0.0392
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            45823
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         71.702
_diffrn_reflns_theta_min         2.785
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    2.375
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.70244
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.43a (Rigaku Oxford Diffraction, 2019)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_description       plate
_exptl_crystal_F_000             1232
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.775
_refine_diff_density_min         -0.524
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     738
_refine_ls_number_reflns         11427
_refine_ls_number_restraints     102
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.0537
_refine_ls_R_factor_gt           0.0434
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0626P)^2^+2.0917P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1142
_refine_ls_wR_factor_ref         0.1202
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9597
_reflns_number_total             11427
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ma1c01207_si_001.cif
_cod_data_source_block           s20mdj10
_cod_database_code               1564813
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.797
_shelx_estimated_absorpt_t_max   0.890
_oxdiff_exptl_absorpt_empirical_full_min 0.831
_oxdiff_exptl_absorpt_empirical_full_max 1.458
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              63009
_shelx_hkl_checksum              10150