Synthesis and Structure of Amino-Functionalized Cyclopentadienyl Vanadium Complexes and Evaluation of Their Butadiene Polymerization Behavior
Bradley, Sam; Camm, Kenneth D.; Furtado, Stephen J.; Gott, Andrew L.; McGowan, Patrick C.; Podesta, Thomas J.; Thornton-Pett, Mark; Organometallics 21 (2002) 3443–; doi:10.1021/om020170f

data_4076872
_publ_section_title
;
 Synthesis and Structure of Amino-Functionalized Cyclopentadienyl Vanadium
 Complexes and Evaluation of Their Butadiene Polymerization Behavior
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              3443
_journal_paper_doi               10.1021/om020170f
_journal_volume                  21
_journal_year                    2002
_chemical_formula_sum            'C24 H36 Cl N2 V'
_chemical_formula_weight         438.94
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 97.528(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3569(6)
_cell_length_b                   7.3280(4)
_cell_length_c                   33.766(2)
_cell_measurement_temperature    150(2)
_cell_volume                     2295.3(2)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1996)'
_computing_data_collection       'COLLECT (Nonius, 1999)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1996)'
_computing_molecular_graphics    'ORTEX (McArdle, 1995)'
_computing_publication_material  'local program'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.947
_diffrn_measured_fraction_theta_max 0.947
_diffrn_measurement_device_type
'Nonius KappaCCD area detector diffractometer'
_diffrn_measurement_method
;
   Detector set at 30mm from sample with different 2theta offsets 
   1 degree phi exposures for chi=0 degree settings
   1 degree omega exposures for chi=90 degree settings
;
_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  0.0707
_diffrn_reflns_av_sigmaI/netI    0.0691
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            4200
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         3.54
_exptl_absorpt_coefficient_mu    0.560
_exptl_absorpt_correction_T_max  0.9672
_exptl_absorpt_correction_T_min  0.7747
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 Using multiple and symmetry-related data measurements via the program SORTAV
 See R.H. Blessing, Acta Cryst (1995), A51, 33-38 
;
_exptl_crystal_colour            'dark blue'
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.641
_refine_diff_density_min         -0.576
_refine_diff_density_rms         0.068
_refine_ls_extinction_coef       0.004(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.114
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     129
_refine_ls_number_reflns         2143
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.0666
_refine_ls_R_factor_gt           0.0616
_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^)+(0.0398P)^2^+7.4187P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1529
_refine_ls_wR_factor_ref         0.1567
_reflns_number_gt                1950
_reflns_number_total             2143
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om020170f.cif
_cod_data_source_block           tjp11
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4076872