Vanadyl phenolate complexes for ring opening homo- and co-polymerisation of epsilon-caprolactone, L-lactide and rac-lactide
Ge, Feijie; Dan, Yi; Al-Khafaji, Yahya; Prior, Timothy J.; Jiang, Long; Elsegood, Mark Robert James; Redshaw, Carl; RSC Adv.  (2015) –; doi:10.1039/C5RA24816G

data_7223603
_publ_section_title
;
 Vanadyl phenolate complexes for ring opening homo- and co-polymerisation
 of &#xF065;epsilon-caprolactone, L-lactide and rac-lactide
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA24816G
_journal_year                    2015
_chemical_formula_moiety         'C72 H104 O8 V2, 2(C H2 Cl2)'
_chemical_formula_sum            'C74 H108 Cl4 O8 V2'
_chemical_formula_weight         1369.28
_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-06-02 deposited with the CCDC.
2015-12-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.2670(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   21.4616(15)
_cell_length_b                   14.3723(10)
_cell_length_c                   25.6780(18)
_cell_measurement_reflns_used    81355
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.2
_cell_volume                     7676.2(9)
_computing_cell_refinement
; 
Rigaku CrystalClear-SM Expert 3.1 b27 
;
_computing_data_collection
; 
Rigaku CrystalClear-SM Expert 3.1 b27 
;
_computing_data_reduction
; 
Rigaku CrystalClear-SM Expert 3.1 b27 
;
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 CCD
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device
;
AFC12 (Right): Kappa 3 circle
;
_diffrn_measurement_device_type
; 
Rigaku CrystalClear-SM Expert 3.1 b27 
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support MiTeGen
_diffrn_radiation_monochromator  Mirrors
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0729
_diffrn_reflns_av_unetI/netI     0.0408
_diffrn_reflns_laue_measured_fraction_full 0.996
_diffrn_reflns_laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            91396
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.492
_diffrn_reflns_theta_min         2.392
_diffrn_source                   'Sealed Tube'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.432
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.678
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
A multi-scan absorption correction was implemented
within Rigaku CrystalClear.  
;
_exptl_crystal_colour            'Dark Red'
_exptl_crystal_density_diffrn    1.185
_exptl_crystal_description       Blade
_exptl_crystal_F_000             2920
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.861
_refine_diff_density_min         -0.411
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     794
_refine_ls_number_reflns         17489
_refine_ls_number_restraints     68
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0762
_refine_ls_R_factor_gt           0.0541
_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^)+(0.0825P)^2^+5.3967P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1439
_refine_ls_wR_factor_ref         0.1615
_reflns_Friedel_coverage         0.000
_reflns_number_gt                13364
_reflns_number_total             17489
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ra24816g2.cif
_cod_data_source_block           5_2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_database_code               7223603
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.958
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              16869
_shelx_fab_checksum              18430