Phenoxybis(imine) complexes of vanadium: structure, ethylene polymerization, and ring opening polymerization of ε-caprolactone.
Gong, Yi; Shibata, Kaname; Michiue, Kenji; Gbertyo, Joseph; Rais, Zaid; Elsegood, Mark R. J.; Prior, Timothy J.; Redshaw, Carl; Dalton transactions (Cambridge, England : 2003) 55 (2026) 1866–1881; doi:10.1039/d5dt02846a

data_7720469
_publ_section_title
;
 Phenoxybis(imine) complexes of vanadium: structure, ethylene
 polymerization, and ring opening polymerization of &#x3b5;-caprolactone.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1866
_journal_page_last               1881
_journal_paper_doi               10.1039/d5dt02846a
_journal_volume                  55
_journal_year                    2026
_chemical_formula_moiety         'C66 H82 N4 O3 V'
_chemical_formula_sum            'C66 H82 N4 O3 V'
_chemical_formula_weight         1030.29
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2019/3
_audit_update_record
;
2025-01-20 deposited with the CCDC.	2025-12-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.6408(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.2637(5)
_cell_length_b                   32.1121(19)
_cell_length_c                   10.5093(6)
_cell_measurement_reflns_used    7618
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.05
_cell_measurement_theta_min      2.36
_cell_volume                     3024.8(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2019/3 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0360
_diffrn_reflns_av_unetI/netI     0.0309
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -38
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            21757
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        24.999
_diffrn_reflns_theta_max         24.999
_diffrn_reflns_theta_min         2.101
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.211
_exptl_absorpt_correction_T_max  0.963
_exptl_absorpt_correction_T_min  0.884
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2004/1, Sheldrick, G.M., (2004)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.131
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1106
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.580
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.476
_refine_diff_density_min         -0.329
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.209
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     466
_refine_ls_number_reflns         5329
_refine_ls_number_restraints     891
_refine_ls_restrained_S_all      1.163
_refine_ls_R_factor_all          0.1300
_refine_ls_R_factor_gt           0.1135
_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^)+(0.0422P)^2^+7.7250P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2462
_refine_ls_wR_factor_ref         0.2562
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4315
_reflns_number_total             5329
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt02846a2.cif
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7720469
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_min   0.884
_shelx_estimated_absorpt_t_max   0.963
_shelx_res_checksum              68740