Vanadium complexes derived from oxacalix[6]arenes: structural studies and use in the ring opening homo-/co-polymerization of ε-caprolactone/δ-valerolactone and ethylene polymerization
Xing, Tian; Prior, Timothy J.; Elsegood, Mark R. J.; Semikolenova, Nina V.; Soshnikov, Igor E.; Bryliakov, Konstantin; Chen, Kai; Redshaw, Carl; Catalysis Science & Technology 11 (2021) 624–636; doi:10.1039/D0CY01979H

data_1559561
_publ_section_title
;
 Vanadium complexes derived from oxacalix[6]arenes: structural studies and
 use in the ring opening homo-/co-polymerization of
 \e-caprolactone/\d-valerolactone and ethylene polymerization
;
_journal_issue                   2
_journal_name_full               'Catalysis Science &amp; Technology'
_journal_page_first              624
_journal_page_last               636
_journal_paper_doi               10.1039/D0CY01979H
_journal_volume                  11
_journal_year                    2021
_chemical_formula_moiety         'C96 H108 N4 O8 V2, 4(C2 H3 N)'
_chemical_formula_sum            'C104 H120 N8 O8 V2'
_chemical_formula_weight         1711.95
_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   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-04-22 deposited with the CCDC.	2020-11-19 downloaded from the CCDC.
;
_cell_angle_alpha                90.8728(8)
_cell_angle_beta                 107.9966(7)
_cell_angle_gamma                99.2458(8)
_cell_formula_units_Z            1
_cell_length_a                   12.0966(2)
_cell_length_b                   12.3373(2)
_cell_length_c                   17.8971(3)
_cell_measurement_reflns_used    7770
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.24
_cell_measurement_theta_min      2.26
_cell_volume                     2501.28(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX 2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker APEX 2 CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_diffrn_radiation_monochromator  'silicon 111'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.6939
_diffrn_reflns_av_R_equivalents  0.0355
_diffrn_reflns_av_unetI/netI     0.0404
_diffrn_reflns_Laue_measured_fraction_full 0.986
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            29287
_diffrn_reflns_point_group_measured_fraction_full 0.986
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        27.500
_diffrn_reflns_theta_max         27.548
_diffrn_reflns_theta_min         1.755
_diffrn_source                   'Daresbury SRS station 9.8'
_diffrn_standards_decay_%        4
_exptl_absorpt_coefficient_mu    0.227
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.975
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2008/1, Sheldrick, G.M., (2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.137
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             910
_exptl_crystal_size_max          0.110
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.868
_refine_diff_density_min         -0.284
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     591
_refine_ls_number_reflns         12217
_refine_ls_number_restraints     176
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0853
_refine_ls_R_factor_gt           0.0589
_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^)+(0.1100P)^2^+0.3328P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1637
_refine_ls_wR_factor_ref         0.1852
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8563
_reflns_number_total             12217
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cy01979h2.cif
_cod_data_source_block           8
_cod_depositor_comments
'Adding full bibliography for 1559560--1559566.cif.'
_cod_database_code               1559561
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.975
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              76784