Hexaruthenium Carbonyl Cluster Complexes with Basal Edge-Bridged Square Pyramidal Metallic Skeleton: Efficient Synthesis of 2-Imidopyridine Derivatives and Determination of Their Reactive Sites in Carbonyl Substitution Reactions
Javier A. Cabeza; Ignacio del Río; Pablo García-Álvarez; Daniel Miguel; Víctor Riera; Inorganic Chemistry 43 (2004) 5450–5458; doi:10.1021/ic0492789

data_4311812
_publ_contact_author_address
;
      Departamento de Qu\'imica Org\'anica e Inorg\'anica 
      Facultad de Qu\'imica 
      Universidad de Oviedo 
      33071 Oviedo 
      Spain 
;
_publ_contact_author_email       jac@fq.uniovi.es
_publ_contact_author_fax         '+34 985 103446'
_publ_contact_author_name        'Javier A. Cabeza'
_publ_contact_author_phone       '+34 985 103501'
_publ_section_title
;
 Hexaruthenium Carbonyl Cluster Complexes with Basal Edge-Bridged Square
 Pyramidal Metallic Skeleton: Efficient Synthesis of 2-Imidopyridine
 Derivatives and Determination of Their Reactive Sites in Carbonyl
 Substitution Reactions
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5450
_journal_page_last               5458
_journal_paper_doi               10.1021/ic0492789
_journal_volume                  43
_journal_year                    2004
_chemical_compound_source
;
Synthesis. Crystallization from a 
dichloromethane/acetone/diethyl eter solution 
at room temperature by slow liquid-liquid difussion.
;
_chemical_formula_moiety         'C22 H8 N2 O16 Ru6'
_chemical_formula_sum            'C22 H8 N2 O16 Ru6'
_chemical_formula_weight         1162.72
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P -2bc -2c'
_symmetry_space_group_name_H-M   'P c 21 b'
_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            4
_cell_length_a                   8.8607(2)
_cell_length_b                   16.7448(4)
_cell_length_c                   20.6625(5)
_cell_measurement_temperature    293(2)
_cell_volume                     3065.71(13)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'EUCLID (Spek, 1982)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'DIRDIF-96 (Beurskens et al., 1996)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  'horizontally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54180
_diffrn_reflns_av_R_equivalents  0.0911
_diffrn_reflns_av_sigmaI/netI    0.1065
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            42734
_diffrn_reflns_theta_full        68.31
_diffrn_reflns_theta_max         68.31
_diffrn_reflns_theta_min         4.99
_exptl_absorpt_coefficient_mu    24.033
_exptl_absorpt_correction_T_max  0.160
_exptl_absorpt_correction_T_min  0.015
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
Parkin S,Moezzi B & Hope H, (1995) J. Appl. Cryst. 28, 53-56
Cubic fit to sin(theta)/lambda - 24 parameters
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.519
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             2184
_exptl_crystal_size_max          0.225
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.075
_refine_diff_density_max         1.449
_refine_diff_density_min         -1.208
_refine_diff_density_rms         0.310
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.08(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         5707
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0659
_refine_ls_R_factor_gt           0.0642
_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^)+(0.0590P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1238
_refine_ls_wR_factor_ref         0.1250
_reflns_number_gt                5376
_reflns_number_total             5707
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0492789si20040603_085619_1.cif
_cod_data_source_block           1_(pg1a)
_cod_database_code               4311812