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_4076874
_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            'C18 H36 Cl2 N P2 V'
_chemical_formula_weight         450.26
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7777(2)
_cell_length_b                   12.3567(3)
_cell_length_c                   25.3634(7)
_cell_measurement_temperature    150(2)
_cell_volume                     2437.59(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0431
_diffrn_reflns_av_sigmaI/netI    0.0451
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            14717
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.92
_exptl_absorpt_coefficient_mu    0.759
_exptl_absorpt_correction_T_max  0.9280
_exptl_absorpt_correction_T_min  0.7264
_exptl_crystal_density_diffrn    1.227
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             952
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.351
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(3)
_refine_ls_extinction_coef       0.0046(15)
_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   1.011
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     224
_refine_ls_number_reflns         4766
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0542
_refine_ls_R_factor_gt           0.0394
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0410P)^2^+0.7182P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0926
_refine_ls_wR_factor_ref         0.1012
_reflns_number_gt                3876
_reflns_number_total             4766
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om020170f.cif
_cod_data_source_block           sf13_3
_cod_database_code               4076874