Evolution of aluminum aminophenolate complexes in the ring-opening polymerization of ε-caprolactone: electronic and amino-chelating effects.
Ganta, Prasanna Kumar; Huang, Fei; Halima, Taoufik Ben; Kamaraj, Rajiv; Chu, Yu-Ting; Tseng, Hsi-Ching; Ding, Shangwu; Wu, Kuo-Hui; Chen, Hsuan-Ying; Dalton transactions (Cambridge, England : 2003) 54 (2025) 511–532; doi:10.1039/d4dt02923b

data_1573385
_publ_section_title
;
 Evolution of aluminum aminophenolate complexes in the ring-opening
 polymerization of &#x3b5;-caprolactone: electronic and amino-chelating
 effects.
;
_journal_issue                   2
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              511
_journal_page_last               532
_journal_paper_doi               10.1039/d4dt02923b
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C31 H40 Al N O5, 2(C4 H8 O)'
_chemical_formula_sum            'C39 H56 Al N O7'
_chemical_formula_weight         677.82
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2019-11-04
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2023-03-10 deposited with the CCDC.	2024-11-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   14.5245(3)
_cell_length_b                   19.8710(3)
_cell_length_c                   25.5065(4)
_cell_measurement_reflns_used    21002
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      26.7970
_cell_measurement_theta_min      2.1190
_cell_volume                     7361.6(2)
_computing_cell_refinement       'CrysAlisPro 1.171.41.36a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.41.36a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.41.36a (Rigaku OD, 2019)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -38.00 -10.00   0.50   63.40    --   10.60 -46.00 -12.00   56
  2  \w     14.00  39.00   0.50   63.40    --   10.60  46.00 136.00   50
  3  \w    -57.00 -32.00   0.50   63.40    --  -10.90 -46.00 -12.00   50
  4  \w    -32.00  12.00   0.50   63.40    --  -10.90  46.00 136.00   88
  5  \w     34.00  73.00   0.50   63.40    --   10.60  77.00-180.00   78
  6  \w    -20.00  81.00   0.50   63.40    --   10.60  57.00  90.00  202
  7  \w    -35.00  35.00   0.50   63.40    --  -10.90  77.00 -90.00  140
  8  \w    -52.00  14.00   0.50   63.40    --  -10.90 -77.00 -90.00  132
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Pro II AFC12 (RINC): Kappa single'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0453458000
_diffrn_orient_matrix_UB_12      -0.0088756000
_diffrn_orient_matrix_UB_13      0.0076238000
_diffrn_orient_matrix_UB_21      -0.0041157000
_diffrn_orient_matrix_UB_22      0.0307323000
_diffrn_orient_matrix_UB_23      0.0139600000
_diffrn_orient_matrix_UB_31      -0.0175620000
_diffrn_orient_matrix_UB_32      0.0158479000
_diffrn_orient_matrix_UB_33      -0.0228299000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0419
_diffrn_reflns_av_unetI/netI     0.0316
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.950
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            47369
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.950
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.129
_diffrn_reflns_theta_min         1.911
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'Rigaku (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.56814
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.36a (Rigaku Oxford Diffraction, 2019)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.223
_exptl_crystal_description       block
_exptl_crystal_F_000             2928
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.470
_refine_diff_density_min         -0.323
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     445
_refine_ls_number_reflns         7746
_refine_ls_number_restraints     234
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0598
_refine_ls_R_factor_gt           0.0456
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0564P)^2^+3.9741P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1144
_refine_ls_wR_factor_ref         0.1217
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6262
_reflns_number_total             7746
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt02923b3.cif
_cod_data_source_block           somesh
_cod_depositor_comments
'Adding full bibliography for 1573381--1573385.cif.'
_cod_database_code               1573385
_shelx_shelxl_version_number     2014/7
_chemical_oxdiff_formula         'C33 H43 Al1 O4'
_shelx_estimated_absorpt_t_max   0.984
_shelx_estimated_absorpt_t_min   0.978
_diffrn_oxdiff_digest_frames
;
010aead10159aa48b5624324b78e8df19e000259b9e
;
_diffrn_oxdiff_digest_hkl
;
0176187354fa0f2d95a5f4afead2533359504d
;
_reflns_odcompleteness_completeness 99.65
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(C1) \\sim Ueq, Uanis(C2) \\sim Ueq, Uanis(C3) \\sim Ueq, Uanis(C4) \\sim
Ueq, Uanis(C5) \\sim Ueq, Uanis(C6) \\sim Ueq, Uanis(C7) \\sim Ueq, Uanis(C8)
\\sim Ueq, Uanis(C9) \\sim Ueq, Uanis(C10) \\sim Ueq, Uanis(C11) \\sim Ueq,
Uanis(C12) \\sim Ueq, Uanis(C13) \\sim Ueq, Uanis(C14) \\sim Ueq, Uanis(C15)
\\sim Ueq, Uanis(C16) \\sim Ueq, Uanis(C17) \\sim Ueq, Uanis(C18) \\sim Ueq,
Uanis(C19) \\sim Ueq, Uanis(C20) \\sim Ueq, Uanis(C21) \\sim Ueq, Uanis(C22)
\\sim Ueq, Uanis(C23) \\sim Ueq, Uanis(C24) \\sim Ueq, Uanis(C25) \\sim Ueq,
Uanis(C26) \\sim Ueq, Uanis(C27) \\sim Ueq, Uanis(C28) \\sim Ueq, Uanis(C29)
\\sim Ueq, Uanis(C30) \\sim Ueq, Uanis(C31) \\sim Ueq, Uanis(C32) \\sim Ueq,
Uanis(C33) \\sim Ueq, Uanis(C34) \\sim Ueq, Uanis(C35) \\sim Ueq, Uanis(C36)
\\sim Ueq, Uanis(C37) \\sim Ueq, Uanis(C38) \\sim Ueq, Uanis(C39) \\sim Ueq:
with sigma of 0.005 and sigma for terminal atoms of 0.005
3.a Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C13(H13A,H13B), C25(H25A,H25B), C32(H32A,H32B), C33(H33A,H33B),
 C34(H34A,H34B), C35(H35A,H35B), C36(H36A,H36B), C37(H37A,H37B), C38(H38A,H38B),
  C39(H39A,H39B)
3.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C5(H5A), C17(H17), C19(H19), C27(H27), C28(H28), C29(H29), C30(H30),
 C31(H31)
3.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C12(H12A,H12B,
 H12C), C20(H20A,H20B,H20C), C22(H22A,H22B,H22C), C23(H23A,H23B,H23C), C24(H24A,
 H24B,H24C)
;
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.390
_oxdiff_exptl_absorpt_empirical_full_min 0.727