Intramolecular C‒H Bond Activation in Bridged Dicyclopentadienyl Dimethyl Dinuclear Complexes
Zhu, Bolin; Hao, Xiaoting; Chen, Yunfei; Organometallics 33 (2014) 240–; doi:10.1021/om400986a

data_4082628
_publ_section_title
;
 Intramolecular C--H Bond Activation in Bridged Dicyclopentadienyl
 Dimethyl Dinuclear Complexes
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              240
_journal_paper_doi               10.1021/om400986a
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C18 H20 Fe2 O3 Si2'
_chemical_formula_weight         452.22
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.1689(11)
_cell_length_b                   9.5839(7)
_cell_length_c                   14.9475(11)
_cell_measurement_reflns_used    3835
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      2.62
_cell_volume                     1905.1(2)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0132
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_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            4731
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.62
_exptl_absorpt_coefficient_mu    1.662
_exptl_absorpt_correction_T_max  0.7768
_exptl_absorpt_correction_T_min  0.7540
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.577
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.244
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     123
_refine_ls_number_reflns         1683
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0241
_refine_ls_R_factor_gt           0.0224
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0324P)^2^+1.5492P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0608
_refine_ls_wR_factor_ref         0.0621
_reflns_number_gt                1576
_reflns_number_total             1683
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400986a_si_004.cif
_cod_data_source_block           130424c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/ACS/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 

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      C2/c
_cod_database_code               4082628