Photoactivation of Ruthenium Olefin Metathesis Initiators
Ben-Asuly, Amos; Aharoni, Anna; Diesendruck, Charles E.; Vidavsky, Yuval; Goldberg, Israel; Straub, Bernd F.; Lemcoff, N. Gabriel; Organometallics 28 (2009) 4652–; doi:10.1021/om9004302

data_4069827
_publ_section_title
;
 Photoactivation of Ruthenium Olefin Metathesis Initiators
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              4652
_journal_paper_doi               10.1021/om9004302
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C38 H38 Cl2 N2 Ru S'
_chemical_formula_sum            'C38 H38 Cl2 N2 Ru S'
_chemical_formula_weight         726.73
_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                 125.8110(17)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   38.9862(9)
_cell_length_b                   8.5771(3)
_cell_length_c                   28.1811(8)
_cell_measurement_reflns_used    7757
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      27.90
_cell_measurement_theta_min      1.41
_cell_volume                     7642.0(4)
_computing_cell_refinement       Denzo
_computing_data_collection       'Collect, Nonius, B.V.'
_computing_data_reduction        'Denzo & Scalepack'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      110(2)
_diffrn_detector_area_resol_mean 12.8
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '1 deg. \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  0.0720
_diffrn_reflns_av_sigmaI/netI    0.0676
_diffrn_reflns_limit_h_max       51
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            27710
_diffrn_reflns_theta_full        27.90
_diffrn_reflns_theta_max         27.90
_diffrn_reflns_theta_min         2.46
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.631
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.263
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2992
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.25
_platon_squeeze_details
;
;
_refine_diff_density_max         1.508
_refine_diff_density_min         -0.851
_refine_diff_density_rms         0.129
_refine_ls_extinction_coef       0.00047(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     404
_refine_ls_number_reflns         9057
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0971
_refine_ls_R_factor_gt           0.0689
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0502P)^2^+19.2781P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1598
_refine_ls_wR_factor_ref         0.1693
_reflns_number_gt                6613
_reflns_number_total             9057
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om9004302_si_002.cif
_cod_data_source_block           lem15sq
_cod_original_cell_volume        7641.9(4)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4069827