Carbon‒Hydrogen Bond Activation with a Cyclometalated Zirconocene Hydride: Mechanistic Differences between Arene and Alkane Reductive Elimination
Bernskoetter, Wesley H.; Pool, Jaime A.; Lobkovsky, Emil; Chirik, Paul J.; Organometallics 25 (2006) 1092–1100; doi:10.1021/om0508379

data_4074726
_publ_section_title
;
 Carbon--Hydrogen Bond Activation with a Cyclometalated Zirconocene
 Hydride: Mechanistic Differences between Arene and Alkane
 Reductive Elimination
;
_journal_coden_ASTM              ORGND7
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1092
_journal_page_last               1100
_journal_paper_doi               10.1021/om0508379
_journal_volume                  25
_journal_year                    2006
_chemical_formula_sum            'C22 H42 Si4 Zr'
_chemical_formula_weight         510.14
_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   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.951(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.4467(16)
_cell_length_b                   13.9013(16)
_cell_length_c                   32.399(4)
_cell_measurement_reflns_used    7473
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      32.85
_cell_measurement_theta_min      2.20
_cell_volume                     5602.6(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 0.879
_diffrn_measured_fraction_theta_max 0.879
_diffrn_measurement_device_type  'Bruker 1K CCD area detector'
_diffrn_measurement_method       '0.3 deg. 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  0.0393
_diffrn_reflns_av_sigmaI/netI    0.0422
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            33716
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    0.570
_exptl_absorpt_correction_T_max  0.9452
_exptl_absorpt_correction_T_min  0.7638
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.210
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2160
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.709
_refine_diff_density_min         -0.601
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.203
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     495
_refine_ls_number_reflns         10073
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.203
_refine_ls_R_factor_all          0.0730
_refine_ls_R_factor_gt           0.0599
_refine_ls_shift/su_max          0.059
_refine_ls_shift/su_mean         0.009
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0385P)^2^+11.0768P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1137
_refine_ls_wR_factor_ref         0.1178
_reflns_number_gt                8775
_reflns_number_total             10073
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0508379si20051129_120258.cif
_cod_data_source_block           jd22
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4074726