Indium alkoxide complexes supported by constrained Schiff-base ligands for the ring-opening (co)polymerization of cyclic esters
Piyawongsiri, Thitirat; Chumsaeng, Phongnarin; Phomphrai, Khamphee; Dalton Transactions  (2025) –; doi:10.1039/D5DT02356D

data_7719887
_publ_section_title
;
 Indium alkoxide complexes supported by constrained Schiff-base ligands
 for the ring-opening (co)polymerization of cyclic esters
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D5DT02356D
_journal_year                    2025
_chemical_formula_moiety         'C41 H61 In N2 O3, C3 H7, C3 H3'
_chemical_formula_sum            'C47 H71 In N2 O3'
_chemical_formula_weight         826.87
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2022-11-29
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2025-09-18 deposited with the CCDC.	2025-11-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 115.0980(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.4446(8)
_cell_length_b                   11.7245(5)
_cell_length_c                   21.2867(9)
_cell_measurement_reflns_used    9274
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      72.38
_cell_measurement_theta_min      5.02
_cell_volume                     4394.7(3)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0313
_diffrn_reflns_av_unetI/netI     0.0138
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            102062
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         70.068
_diffrn_reflns_theta_min         4.414
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.599
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.6420
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0667 before and 0.0533 after correction.
The Ratio of minimum to maximum transmission is 0.8519.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            brown
_exptl_crystal_colour_primary    brown
_exptl_crystal_density_diffrn    1.250
_exptl_crystal_description       block
_exptl_crystal_F_000             1760
_exptl_crystal_size_max          0.177
_exptl_crystal_size_mid          0.167
_exptl_crystal_size_min          0.102
_refine_diff_density_max         0.592
_refine_diff_density_min         -0.444
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     518
_refine_ls_number_reflns         8332
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0188
_refine_ls_R_factor_gt           0.0186
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0264P)^2^+2.1559P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0509
_refine_ls_wR_factor_ref         0.0510
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8255
_reflns_number_total             8332
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt02356d2.cif
_cod_data_source_block           p21_c
_cod_database_code               7719887
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.651
_shelx_estimated_absorpt_t_min   0.497
_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.a Secondary CH2 refined with riding coordinates:
 C5(H5A,H5B), C18(H18A,H18B), C19(H19A,H19B), C20(H20A,H20B), C43(H43A,H43B),
 C44(H44A,H44B)
2.b Aromatic/amide H refined with riding coordinates:
 C12(H12), C29(H29), C45(H45), C46(H46), C47(H47)
2.c Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C14(H14A,H14B,
 H14C), C15(H15A,H15B,H15C), C17(H17A,H17B,H17C), C26(H26A,H26B,H26C), C27(H27A,
 H27B,H27C), C28(H28A,H28B,H28C), C32(H32A,H32B,H32C), C33(H33A,H33B,H33C),
 C34(H34A,H34B,H34C), C39(H39A,H39B,H39C), C40(H40A,H40B,H40C), C41(H41A,H41B,
 H41C), C42(H42A,H42B,H42C)
;
_shelx_res_checksum              95943
_olex2_submission_special_instructions 'No special instructions were received'