Axial Butadiynyl Adducts on a Tetrakis- (di(m-methoxyphenyl)formamidinato)diruthenium Core: First Examples of M-M Bonded Complexes Containing σ-Poly-ynyl Ligand
Guolin Xu; Tong Ren; Inorganic Chemistry 40 (2001) 2925–2927; doi:10.1021/ic0012930

data_4319756
_publ_contact_author_address
; Department of Chemistry 
  University of Miami 
  PO BOX 249118 
  Coral Gables, FL 33124-0431 
  USA 
;
_publ_contact_author_email       tren@miami.edu
_publ_contact_author_fax         '(305) 284-1880'
_publ_contact_author_name        'Dr. Ren, Tong'
_publ_contact_author_phone       '(305) 284-6617'
_publ_section_title
;
 Axial Butadiynyl Adducts on a Tetrakis-
 (di(m-methoxyphenyl)formamidinato)diruthenium Core: First Examples of M-M
 Bonded Complexes Containing \s-Poly-ynyl Ligand
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2925
_journal_page_last               2927
_journal_paper_doi               10.1021/ic0012930
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C37 H39 N4 O4 Ru Si'
_chemical_formula_weight         732.88
_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                92.7280(10)
_cell_angle_beta                 90.9210(10)
_cell_angle_gamma                103.1210(10)
_cell_formula_units_Z            2
_cell_length_a                   10.8663(4)
_cell_length_b                   10.8991(4)
_cell_length_c                   16.0803(6)
_cell_measurement_reflns_used    8009
_cell_measurement_temperature    300(2)
_cell_measurement_theta_max      31.44
_cell_measurement_theta_min      2.28
_cell_volume                     1851.91(12)
_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      300(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0249
_diffrn_reflns_av_sigmaI/netI    0.0381
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            11647
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.92
_exptl_absorpt_coefficient_mu    0.498
_exptl_absorpt_correction_T_max  0.933
_exptl_absorpt_correction_T_min  0.751
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
  SADABS, Absorption corrections using Bruker CCD based on the method of 
  Bob Blessing.  Acta Cryst. 1995, A51, 33 
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.314
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             758
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.374
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     461
_refine_ls_number_reflns         6506
_refine_ls_number_restraints     31
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0366
_refine_ls_R_factor_gt           0.0296
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0438P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0732
_refine_ls_wR_factor_ref         0.0764
_reflns_number_gt                5622
_reflns_number_total             6506
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0012930_1.cif
_cod_data_source_block           um143ss
_cod_database_code               4319756