Ti and Zr complexes bearing guanidine-phenolate ligands: coordination chemistry and polymerization studies
Flores-Romero, Víctor; LeBlanc, Jesse; Chen, Zichuan; Lavoie, Gino G.; RSC Advances 14 (2024) 25889–25899; doi:10.1039/D4RA05146G

data_7249225
_publ_section_title
;
 Ti and Zr complexes bearing guanidine-phenolate ligands: coordination
 chemistry and polymerization studies
;
_journal_issue                   35
_journal_name_full               'RSC Advances'
_journal_page_first              25889
_journal_page_last               25899
_journal_paper_doi               10.1039/D4RA05146G
_journal_volume                  14
_journal_year                    2024
_chemical_formula_moiety         'C30 H46 N6 O4 Ti'
_chemical_formula_sum            'C30 H46 N6 O4 Ti'
_chemical_formula_weight         602.63
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2023-02-25
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2024-04-02 deposited with the CCDC.	2024-08-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.5172(8)
_cell_length_b                   11.5840(6)
_cell_length_c                   19.1268(10)
_cell_measurement_reflns_used    8914
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.17
_cell_measurement_theta_min      2.49
_cell_volume                     3216.5(3)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-1997  (Sheldrick, 2008)'
_diffrn_ambient_temperature      173.00
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0835
_diffrn_reflns_av_unetI/netI     0.0610
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            39189
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.553
_diffrn_reflns_theta_min         2.249
_exptl_absorpt_coefficient_mu    0.309
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6433
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1604 before and 0.0680 after correction.
The Ratio of minimum to maximum transmission is 0.8628.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.244
_exptl_crystal_description       needle
_exptl_crystal_F_000             1288
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.441
_refine_diff_density_min         -0.354
_refine_diff_density_rms         0.057
_refine_ls_abs_structure_details
;
 Flack x determined using 1998 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.008(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     378
_refine_ls_number_reflns         7358
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0924
_refine_ls_R_factor_gt           0.0481
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0556P)^2^+0.8133P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1066
_refine_ls_wR_factor_ref         0.1296
_reflns_Friedel_coverage         0.928
_reflns_Friedel_fraction_full    0.995
_reflns_Friedel_fraction_max     0.985
_reflns_number_gt                5138
_reflns_number_total             7358
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4ra05146g2.cif
_cod_data_source_block           vfr29_a
_cod_database_code               7249225
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.970
_shelx_estimated_absorpt_t_min   0.941
_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 Ternary CH refined with riding coordinates:
 C25(H25), C28(H28)
2.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B), C14(H14A,H14B), C15(H15A,H15B),
 C16(H16A,H16B)
2.c Aromatic/amide H refined with riding coordinates:
 C12(H12), C11(H11), C10(H10), C9(H9), C24(H24), C23(H23), C22(H22), C21(H21)
2.d Idealised Me refined as rotating group:
 C27(H27A,H27B,H27C), C26(H26A,H26B,H26C), C6(H6A,H6B,H6C), C5(H5A,H5B,H5C),
 C29(H29A,H29B,H29C), C30(H30A,H30B,H30C), C17(H17A,H17B,H17C), C18(H18A,H18B,
 H18C)
;
_shelx_res_checksum              34917
_olex2_submission_special_instructions 'No special instructions were received'