Novel vanadium(iii) complexes with bidentate N,N-chelating iminopyrrolide ligands: synthesis, characterization and catalytic behaviour of ethylene polymerization and copolymerization with 10-undecen-1-ol
Xu, Bao-Chang; Hu, Tao; Wu, Ji-Qian; Hu, Ning-Hai; Li, Yue-Sheng; Dalton Transactions  (2009) 8854–8863; doi:10.1039/b909495d

data_7002558
_publ_section_title
;
 Novel vanadium(iii) complexes with bidentate N,N-chelating
 iminopyrrolide ligands: synthesis, characterization and catalytic
 behaviour of ethylene polymerization and copolymerization with
 10-undecen-1-ol
;
_journal_issue                   41
_journal_name_full               'Dalton Transactions'
_journal_page_first              8854
_journal_page_last               8863
_journal_paper_doi               10.1039/b909495d
_journal_year                    2009
_chemical_formula_sum            'C25 H37 Cl2 N2 O2 V'
_chemical_formula_weight         519.41
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.2050(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.8743(11)
_cell_length_b                   9.1538(6)
_cell_length_c                   34.753(2)
_cell_measurement_reflns_used    2920
_cell_measurement_temperature    187(2)
_cell_measurement_theta_max      23.38
_cell_measurement_theta_min      2.30
_cell_volume                     5226.1(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      187(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0691
_diffrn_reflns_av_sigmaI/netI    0.0893
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            28426
_diffrn_reflns_theta_full        26.04
_diffrn_reflns_theta_max         26.04
_diffrn_reflns_theta_min         1.50
_exptl_absorpt_coefficient_mu    0.608
_exptl_absorpt_correction_T_max  0.9564
_exptl_absorpt_correction_T_min  0.8589
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.320
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2192
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.575
_refine_diff_density_min         -0.319
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     585
_refine_ls_number_reflns         10299
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.1213
_refine_ls_R_factor_gt           0.0668
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0636P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1296
_refine_ls_wR_factor_ref         0.1527
_reflns_number_gt                6293
_reflns_number_total             10299
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b909495d.txt
_cod_data_source_block           p164
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7002558