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_7720467
_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         'C48 H38 F4 I4 N4 O3 V, C2 H3 N'
_chemical_formula_sum            'C50 H41 F4 I4 N5 O3 V'
_chemical_formula_weight         1394.42
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_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   geom
_audit_creation_date             2025-01-16
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2025-01-20 deposited with the CCDC.	2025-12-16 downloaded from the CCDC.
;
_cell_angle_alpha                78.084(2)
_cell_angle_beta                 86.776(2)
_cell_angle_gamma                89.036(3)
_cell_formula_units_Z            2
_cell_length_a                   11.4085(3)
_cell_length_b                   13.1317(4)
_cell_length_c                   17.4790(4)
_cell_measurement_reflns_used    11484
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      70.23
_cell_measurement_theta_min      2.59
_cell_volume                     2558.06(12)
_computing_cell_refinement       'CrysAlisPro 1.171.43.131a (Rigaku OD, 2024)'
_computing_data_collection
'CrysAlisPro system (CCD 43.131a 64-bit (release 19-07-2024))'
_computing_data_reduction        'CrysAlisPro 1.171.43.131a (Rigaku OD, 2024)'
_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    'SHELXT-2018/2 (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.15
_diffrn_detector_area_resol_mean 10
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.933
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type
;
Rigaku 007HF diffractometer with HF Varimax confocal mirrors, 
an UG2 goniometer and HyPix Arc-100 detector 
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0596
_diffrn_reflns_av_unetI/netI     0.0499
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.933
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            46832
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.933
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         73.432
_diffrn_reflns_theta_min         2.587
_exptl_absorpt_coefficient_mu    21.078
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.579
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.43.131a (Rigaku Oxford Diffraction, 2024) 
Empirical absorption correction using spherical harmonics, 
implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            orange
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.810
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blade
_exptl_crystal_F_000             1342
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.04
_refine_diff_density_max         2.176
_refine_diff_density_min         -1.554
_refine_diff_density_rms         0.132
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     611
_refine_ls_number_reflns         9620
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0682
_refine_ls_R_factor_gt           0.0572
_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^)+(0.0821P)^2^+7.0433P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1508
_refine_ls_wR_factor_ref         0.1586
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7851
_reflns_number_total             9620
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt02846a2.cif
_cod_data_source_block           14
_cod_database_code               7720467
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.486
_shelx_estimated_absorpt_t_min   0.156
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C3(H3), C5(H5), C11(H11), C14(H14), C16(H16), C17(H17), C18(H18), C21(H21),
 C23(H23), C24(H24), C27(H27), C29(H29), C35(H35), C38(H38), C40(H40), C41(H41),
  C42(H42), C45(H45), C47(H47), C48(H48)
2.b Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C32(H32A,H32B,H32C),
 C33(H33A,H33B,H33C), C34(H34A,H34B,H34C), C50(H50A,H50B,H50C)
;
_shelx_res_checksum              74163
_olex2_submission_special_instructions 'No special instructions were received'