Room Temperature Z-Selective Homocoupling of α Olefins by Tungsten Catalysts.
Marinescu, Smaranda C.; Schrock, Richard R.; Müller, Peter; Takase, Michael K.; Hoveyda, Amir H.; Organometallics 30 (2011) 1780–1782; doi:10.1021/om200150c

data_4064508
_publ_section_title
;
 Room Temperature Z-Selective Homocoupling of \a Olefins by Tungsten
 Catalysts.
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1780
_journal_page_last               1782
_journal_paper_doi               10.1021/om200150c
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C56 H55 N2 O1.5 W'
_chemical_formula_weight         963.87
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 115.1040(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   44.1194(7)
_cell_length_b                   9.5497(2)
_cell_length_c                   23.8428(4)
_cell_measurement_reflns_used    9838
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      69.42
_cell_measurement_theta_min      4.43
_cell_volume                     9096.7(3)
_computing_cell_refinement       'SAINT 7.46A (Bruker-AXS, 2009)'
_computing_data_collection       'APEX2 v2009.9.0 (Bruker-AXS, 2009)'
_computing_data_reduction        'SAINT 7.46A (Bruker-AXS, 2009)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker Smart APEX CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0311
_diffrn_reflns_av_sigmaI/netI    0.0140
_diffrn_reflns_limit_h_max       53
_diffrn_reflns_limit_h_min       -53
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            89456
_diffrn_reflns_theta_full        69.31
_diffrn_reflns_theta_max         69.31
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    5.028
_exptl_absorpt_correction_T_max  0.6333
_exptl_absorpt_correction_T_min  0.2383
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.408
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3928
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.683
_refine_diff_density_min         -0.499
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     636
_refine_ls_number_reflns         8479
_refine_ls_number_restraints     173
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0233
_refine_ls_R_factor_gt           0.0219
_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^)+(0.0300P)^2^+19.6630P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0544
_refine_ls_wR_factor_ref         0.0553
_reflns_number_gt                8065
_reflns_number_total             8479
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om200150c_si_002.cif
_cod_data_source_block           d10090
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_original_formula_sum        'C56 H55 N2 O1.50 W'
_cod_database_code               4064508