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_1559564
_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
;
 C74 H96 O16 V4, 6(C2 H3 N)
;
_chemical_formula_sum            'C86 H114 N6 O16 V4'
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_audit_update_record
;
2020-04-22 deposited with the CCDC.	2020-11-19 downloaded from the CCDC.
;
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_diffrn_reflns_point_group_measured_fraction_full 0.996
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_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            black
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_exptl_crystal_description       block
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_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.035
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_refine_ls_extinction_method     none
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_refine_ls_number_reflns         7886
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_refine_ls_R_factor_all          0.0421
_refine_ls_R_factor_gt           0.0407
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0897P)^2^+0.6883P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1308
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_reflns_Friedel_coverage         0.000
_reflns_number_gt                7406
_reflns_number_total             7886
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_depositor_comments
'Adding full bibliography for 1559560--1559566.cif.'
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