Synthesis of Alkyl and Alkylidene Complexes of Tungsten Bearing Imido and Redox-Active α-Diimine oro-Iminoquinone Ligands and Their Application as Catalysts for Ring-Opening Metathesis Polymerization of Norbornene
Tanahashi, Hiromasa; Tsurugi, Hayato; Mashima, Kazushi; Organometallics 34 (2015) 731–; doi:10.1021/om501010n

data_4085502
_publ_section_title
;
 Synthesis of Alkyl and Alkylidene Complexes of Tungsten Bearing Imido and
 Redox-Active \a-Diimine oro-Iminoquinone Ligands and Their Application as
 Catalysts for Ring-Opening Metathesis Polymerization of Norbornene
;
_journal_issue                   4
_journal_name_full               Organometallics
_journal_page_first              731
_journal_paper_doi               10.1021/om501010n
_journal_volume                  34
_journal_year                    2015
_chemical_formula_moiety         'C52 H67 N3 W'
_chemical_formula_sum            'C52 H67 N3 W'
_chemical_formula_weight         917.94
_chemical_name_common            5
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.026(7)
_cell_length_b                   13.208(5)
_cell_length_c                   32.424(11)
_cell_measurement_reflns_used    14073
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.08
_cell_volume                     9005(5)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2014)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 7.314
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku Mercury70'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0911
_diffrn_reflns_av_sigmaI/netI    0.0593
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            63769
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.08
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.603
_exptl_absorpt_correction_T_max  0.6241
_exptl_absorpt_correction_T_min  0.5400
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.354
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3792
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.20
_refine_diff_density_max         5.898
_refine_diff_density_min         -3.481
_refine_diff_density_rms         0.215
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.238
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         7911
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.238
_refine_ls_R_factor_all          0.1038
_refine_ls_R_factor_gt           0.0986
_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^)+(0.0838P)^2^+105.4353P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2269
_refine_ls_wR_factor_ref         0.2322
_reflns_number_gt                7427
_reflns_number_total             7911
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om501010n_si_001.cif
_cod_data_source_block           5
_cod_depositor_comments
'Adding full bibliography for 4085499--4085505.cif.'
_cod_database_code               4085502