Synthesis of bis(indenyl)zirconium dihydrides and subsequent rearrangement to eta5,eta3-4,5-dihydroindenediyl ligands: evidence for intermediates during the hydrogenation to tetrahydroindenyl derivatives.
Bradley, Christopher A; Lobkovsky, Emil; Keresztes, Ivan; Chirik, Paul J; Journal of the American Chemical Society 128 (2006) 6454–6467; doi:10.1021/ja060472z

data_4101477
_publ_section_title
;
 Synthesis of bis(indenyl)zirconium dihydrides and subsequent
 rearrangement to eta5,eta3-4,5-dihydroindenediyl ligands: evidence for
 intermediates during the hydrogenation to tetrahydroindenyl
 derivatives.
;
_journal_issue                   19
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6454
_journal_page_last               6467
_journal_paper_doi               10.1021/ja060472z
_journal_volume                  128
_journal_year                    2006
_chemical_formula_sum            'C30 H56 Si4 Zr'
_chemical_formula_weight         620.33
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                84.445(3)
_cell_angle_beta                 81.887(2)
_cell_angle_gamma                72.518(3)
_cell_formula_units_Z            2
_cell_length_a                   10.2537(3)
_cell_length_b                   12.3260(5)
_cell_length_c                   14.6483(7)
_cell_measurement_temperature    173(2)
_cell_volume                     1745.27(12)
_computing_cell_refinement       'Bruker SAINT'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.864
_diffrn_measured_fraction_theta_max 0.864
_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  0.0286
_diffrn_reflns_av_sigmaI/netI    0.0341
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            21826
_diffrn_reflns_theta_full        30.51
_diffrn_reflns_theta_max         30.51
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    0.469
_exptl_absorpt_correction_T_max  0.9121
_exptl_absorpt_correction_T_min  0.8347
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.180
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.630
_refine_diff_density_min         -0.879
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     540
_refine_ls_number_reflns         9201
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0540
_refine_ls_R_factor_gt           0.0431
_refine_ls_shift/su_max          0.089
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0430P)^2^+1.2517P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0944
_refine_ls_wR_factor_ref         0.0988
_reflns_number_gt                7866
_reflns_number_total             9201
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja060472zsi20060120_034159.cif
_cod_data_source_block           cb2
_cod_database_code               4101477