Experimental Modeling of Selective Alkene Oligomerization: Evidence for Facile Metallacyclopentane Dehydrogenation Mediated by a Transannular β-Hydrogen Agostic Interaction
Epshteyn, Albert; Trunkely, Emily F.; Kissounko, Denis A.; Fettinger, James C.; Sita, Lawrence R.; Organometallics 28 (2009) 2520–; doi:10.1021/om900132u

data_4069301
_publ_section_title
;
 Experimental Modeling of Selective Alkene Oligomerization: Evidence for
 Facile Metallacyclopentane Dehydrogenation Mediated by a Transannular
 \b-Hydrogen Agostic Interaction
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              2520
_journal_paper_doi               10.1021/om900132u
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C29 H46 N2 Zr'
_chemical_formula_weight         513.90
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.8346(3)
_cell_length_b                   17.5078(7)
_cell_length_c                   35.1424(14)
_cell_measurement_reflns_used    7463
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.347
_cell_measurement_theta_min      2.318
_cell_volume                     5435.6(4)
_computing_cell_refinement       'Bruker SMART'
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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
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_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
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_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -45
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_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.32
_exptl_absorpt_coefficient_mu    0.423
_exptl_absorpt_correction_T_max  0.9833
_exptl_absorpt_correction_T_min  0.9035
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2192
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_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^)+(0.0378P)^2^+2.4403P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0729
_refine_ls_wR_factor_ref         0.0799
_reflns_number_gt                4758
_reflns_number_total             6250
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900132u_si_002.cif
_cod_data_source_block           cmpd3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4069301