Si‒H addition followed by C‒H bond activation induced by a terminal thorium imido metallocene: a combined experimental and computational study
Ren, Wenshan; Zhou, Enwei; Fang, Bo; Zi, Guofu; Fang, De-Cai; Walter, Marc D.; Chemical Science 5 (2014) 3165–; doi:10.1039/c4sc00576g

data_1516589
_publ_section_title
;
 Si--H addition followed by C--H bond activation induced by a terminal
 thorium imido metallocene: a combined experimental and computational
 study
;
_journal_issue                   8
_journal_name_full               'Chemical Science'
_journal_page_first              3165
_journal_paper_doi               10.1039/c4sc00576g
_journal_volume                  5
_journal_year                    2014
_chemical_formula_moiety         'C53 H75 N Si Th'
_chemical_formula_sum            'C53 H75 N Si Th'
_chemical_formula_weight         986.27
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.936(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.578(3)
_cell_length_b                   16.572(3)
_cell_length_c                   17.515(3)
_cell_measurement_reflns_used    6113
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      2.20
_cell_volume                     4765.8(15)
_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      110(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_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  0.0512
_diffrn_reflns_av_sigmaI/netI    0.0733
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            26706
_diffrn_reflns_theta_full        27.61
_diffrn_reflns_theta_max         27.61
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    3.188
_exptl_absorpt_correction_T_max  0.7410
_exptl_absorpt_correction_T_min  0.5029
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2016
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.10
_refine_diff_density_max         8.729
_refine_diff_density_min         -3.181
_refine_diff_density_rms         0.214
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     527
_refine_ls_number_reflns         10881
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0912
_refine_ls_R_factor_gt           0.0510
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0774P)^2^+3.6807P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1213
_refine_ls_wR_factor_ref         0.1463
_reflns_number_gt                7619
_reflns_number_total             10881
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4sc00576g2.cif
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 1516588--1516590.cif.
;
_cod_original_cell_volume        4765.9(13)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1516589