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_4074728
_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 H43 O0.5 Si4 Zr'
_chemical_formula_weight         519.14
_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                 99.528(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.9916(7)
_cell_length_b                   15.6633(9)
_cell_length_c                   15.3898(8)
_cell_measurement_temperature    173(2)
_cell_volume                     2850.8(3)
_computing_cell_refinement       'Bruker SAINT+'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker 1K CCD'
_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  0.0289
_diffrn_reflns_av_sigmaI/netI    0.0326
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            19663
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    0.562
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.210
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rhombohedron
_exptl_crystal_F_000             1100
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.111
_refine_diff_density_min         -0.706
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     393
_refine_ls_number_reflns         7015
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0523
_refine_ls_R_factor_gt           0.0387
_refine_ls_shift/su_max          0.191
_refine_ls_shift/su_mean         0.009
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0377P)^2^+1.7351P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0823
_refine_ls_wR_factor_ref         0.0875
_reflns_number_gt                5751
_reflns_number_total             7015
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0508379si20051129_120328.cif
_cod_data_source_block           jd21
_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)/n
_cod_original_formula_sum        'C22 H43 O0.50 Si4 Zr'
_cod_database_code               4074728