Synthesis of Methylidene Complexes that Contain a 2,6-Dimesitylphenylimido Ligand and Ethenolysis of 2,3-Dicarbomethoxynorbornadiene
Gerber, Laura C. H.; Schrock, Richard R.; Organometallics 32 (2013) 5573–; doi:10.1021/om400844k

data_4081696
_publ_section_title
;
 Synthesis of Methylidene Complexes that Contain a
 2,6-Dimesitylphenylimido Ligand and Ethenolysis of
 2,3-Dicarbomethoxynorbornadiene
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              5573
_journal_paper_doi               10.1021/om400844k
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C70.94 H85.3 N4.53 O6.47 Si W'
_chemical_formula_weight         1316.90
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                88.6940(10)
_cell_angle_beta                 83.7240(10)
_cell_angle_gamma                75.0450(10)
_cell_formula_units_Z            2
_cell_length_a                   12.0776(7)
_cell_length_b                   12.8509(7)
_cell_length_c                   22.2515(13)
_cell_measurement_reflns_used    9720
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.52
_cell_measurement_theta_min      2.34
_cell_volume                     3316.6(3)
_computing_cell_refinement       'SAINT 7.46A (Bruker-AXS, 2010)'
_computing_data_collection       'APEX2 v2010.7.0 (Bruker-AXS, 2010)'
_computing_data_reduction        'SAINT 7.46A (Bruker-AXS, 2010)'
_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      100(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Smart APEX2 CCD'
_diffrn_measurement_method       '\f and \w 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  0.0401
_diffrn_reflns_av_sigmaI/netI    0.0220
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            229724
_diffrn_reflns_theta_full        31.55
_diffrn_reflns_theta_max         31.55
_diffrn_reflns_theta_min         1.64
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.814
_exptl_absorpt_correction_T_max  0.8835
_exptl_absorpt_correction_T_min  0.6598
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2009)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1365
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         2.671
_refine_diff_density_min         -2.143
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.274
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1068
_refine_ls_number_reflns         22121
_refine_ls_number_restraints     606
_refine_ls_restrained_S_all      1.271
_refine_ls_R_factor_all          0.0423
_refine_ls_R_factor_gt           0.0375
_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^)+(0.0176P)^2^+6.4447P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0870
_refine_ls_wR_factor_ref         0.0887
_reflns_number_gt                20508
_reflns_number_total             22121
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400844k_si_002.cif
_cod_data_source_block           12177p-1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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      P-1
_cod_original_formula_sum        'C70.94 H85.30 N4.53 O6.47 Si W'
_cod_database_code               4081696