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_1559562
_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
;
C80 H90 Cl2 N2 O8 V2
;
_chemical_formula_sum            'C80 H90 Cl2 N2 O8 V2'
_chemical_formula_weight         1380.31
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-04-22 deposited with the CCDC.	2020-11-19 downloaded from the CCDC.
;
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_cell_angle_gamma                90
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_cell_measurement_temperature    100(2)
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_cell_volume                     7532.0(6)
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_computing_data_collection       'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
;
Rigaku 007HF diffractometer equipped with Varimax confocal 
mirrors and an AFC11 goniometer and HyPix 6000HE detector
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.1107
_diffrn_reflns_av_unetI/netI     0.0953
_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       21
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
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_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        66.133
_diffrn_reflns_theta_max         66.133
_diffrn_reflns_theta_min         2.625
_diffrn_source                   'Rotating-anode X-ray tube'
_exptl_absorpt_coefficient_mu    3.160
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.7382
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.53 (Rigaku Oxford Diffraction, 2019)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_description       needle
_exptl_crystal_F_000             2912
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.005
_refine_diff_density_max         0.420
_refine_diff_density_min         -0.378
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     791
_refine_ls_number_reflns         13175
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.1995
_refine_ls_R_factor_gt           0.0850
_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^)+(0.0927P)^2^+7.4349P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1975
_refine_ls_wR_factor_ref         0.2471
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5544
_reflns_number_total             13175
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cy01979h2.cif
_cod_data_source_block           6
_cod_depositor_comments
'Adding full bibliography for 1559560--1559566.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1559562
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.649
_shelx_estimated_absorpt_t_max   0.984
_shelx_res_checksum              62983