Metallocene Allyl Reactivity in the Presence of Alkenes Tethered to Cyclopentadienyl Ligands
Evans, William J.; Kozimor, Stosh A.; Brady, Jason C.; Davis, Benjamin L.; Nyce, Gregory W.; Seibel, Christopher A.; Ziller, Joseph W.; Doedens, Robert J.; Organometallics 24 (2005) 2269–2278; doi:10.1021/om049286x

data_1100823
_publ_section_title
;
 Metallocene Allyl Reactivity in the Presence of Alkenes Tethered to
 Cyclopentadienyl Ligands
;
_journal_issue                   10
_journal_name_full               Organometallics
_journal_page_first              2269
_journal_page_last               2278
_journal_paper_doi               10.1021/om049286x
_journal_volume                  24
_journal_year                    2005
_chemical_formula_sum            'C31 H51 Si2 Y'
_chemical_formula_weight         568.81
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.0582(5)
_cell_length_b                   10.9779(6)
_cell_length_c                   28.1698(15)
_cell_measurement_reflns_used    ?
_cell_measurement_temperature    163(2)
_cell_measurement_theta_max      ?
_cell_measurement_theta_min      ?
_cell_volume                     3110.5(3)
_diffrn_ambient_temperature      163(2)
_diffrn_detector_area_resol_mean ?
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0770
_diffrn_reflns_av_sigmaI/netI    0.0795
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            33375
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.45
_diffrn_standards_decay_%        '< 1.0'
_diffrn_standards_interval_count 'initial 50 frames recollected'
_diffrn_standards_interval_time  ?
_diffrn_standards_number         '50 frames'
_exptl_absorpt_coefficient_mu    1.969
_exptl_absorpt_correction_T_max  0.8275
_exptl_absorpt_correction_T_min  0.6942
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1216
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.10
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.008(5)
_refine_ls_extinction_coef       0.0006(2)
_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   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         7602
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0681
_refine_ls_R_factor_gt           0.0426
_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^)+(0.0358P)^2^+0.6764P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0861
_refine_ls_wR_factor_ref         0.0968
_reflns_number_gt                6043
_reflns_number_total             7602
_reflns_threshold_expression     >2sigma(I)
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1100823