Tri- and tetra-dentate imine vanadyl complexes: synthesis, structure and ethylene polymerization/ring opening polymerization capability.
Ma, Jing; Zhao, Ke-Qing; Walton, Mark; Wright, Joseph A.; Hughes, David L.; Elsegood, Mark R. J.; Michiue, Kenji; Sun, Xinsen; Redshaw, Carl; Dalton transactions (Cambridge, England : 2003) 43 (2014) 16698–16706; doi:10.1039/c4dt01448k

data_7032620
_publ_section_title
;
 Tri- and tetra-dentate imine vanadyl complexes: synthesis, structure and
 ethylene polymerization/ring opening polymerization capability.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              16698
_journal_page_last               16706
_journal_paper_doi               10.1039/c4dt01448k
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C31 H30 N4 O2 V, C2 H3 N'
_chemical_formula_structural     '[VO (C7H4N2-C9H5N-N=CH-C6H2O(tBu)2}].MeCN'
_chemical_formula_sum            'C33 H33 N5 O2 V'
_chemical_formula_weight         582.58
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'SHELXL-97 and CrysAlisPro RED'
_cell_angle_alpha                90.00
_cell_angle_beta                 103.120(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.8130(4)
_cell_length_b                   14.8706(4)
_cell_length_c                   17.5707(7)
_cell_measurement_reflns_used    3.26
_cell_measurement_temperature    140(1)
_cell_measurement_theta_max      3330
_cell_measurement_theta_min      21.25
_cell_volume                     3006.01(18)
_computing_cell_refinement
;
 CrysAlisPro RED, Oxford Diffraction Ltd., Version 1.171.32.24 
;
_computing_data_collection
;
 CrysAlisPro CCD, Oxford Diffraction Ltd., Version 1.171.32.24 
;
_computing_data_reduction
;
 CrysAlisPro RED, Oxford Diffraction Ltd., Version 1.171.32.24
;
_computing_molecular_graphics    'ORTEP (Johnson, 1971 and Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      140(1)
_diffrn_detector_area_resol_mean 16.0050
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur 3/CCD'
_diffrn_measurement_method       'Thin slice \f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           Mo-K\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1537
_diffrn_reflns_av_sigmaI/netI    0.1079
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            36680
_diffrn_reflns_theta_full        21.25
_diffrn_reflns_theta_max         21.25
_diffrn_reflns_theta_min         3.26
_exptl_absorpt_coefficient_mu    0.368
_exptl_absorpt_correction_T_max  1.022
_exptl_absorpt_correction_T_min  0.981
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 CrysAlisPro RED, Oxford Diffraction Ltd., Version 1.171.32.24 
 Empirical absorption correction using spherical harmonics,
  implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange-brown
_exptl_crystal_density_diffrn    1.287
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1220
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.262
_refine_diff_density_min         -0.249
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     371
_refine_ls_number_reflns         3330
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.1205
_refine_ls_R_factor_gt           0.0557
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0272P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0708
_refine_ls_wR_factor_ref         0.0840
_reflns_number_gt                2217
_reflns_number_total             3330
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            c4dt01448k2.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 2827 2014-09-09 07:05:25Z andrius 

 Adding full bibliography for 7032617--7032620.cif.
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7032620