Formation of A Robust Ru4O4 Skeleton with Two Ru2(CO)4 Units in Criss-Cross Configuration
Yang, Jindou; Wang, Xian; Zhang, Wei-Qiang; Zhang, Guofang; Gao, Ziwei; RSC Adv.  (2016) –; doi:10.1039/C6RA02558G

data_7224671
_publ_section_title
;
 Formation of A Robust Ru4O4 Skeleton with Two Ru2(CO)4 Units in
 Criss-Cross Configuration
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA02558G
_journal_year                    2016
_chemical_formula_sum            'C32 H16 N4 O16 Ru4'
_chemical_formula_weight         1116.77
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           86
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4bc'
_symmetry_space_group_name_H-M   'P 42/n :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-01-25 deposited with the CCDC.
2016-03-21 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   15.1030(3)
_cell_length_b                   15.1030(3)
_cell_length_c                   10.0955(4)
_cell_measurement_temperature    296(2)
_cell_volume                     2302.79(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0296
_diffrn_reflns_av_sigmaI/netI    0.0229
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            11958
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         3.37
_exptl_absorpt_coefficient_mu    1.349
_exptl_absorpt_correction_T_max  0.8769
_exptl_absorpt_correction_T_min  0.8232
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.611
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1080
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.995
_refine_diff_density_min         -0.433
_refine_diff_density_rms         0.128
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.148
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         2267
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.148
_refine_ls_R_factor_all          0.0501
_refine_ls_R_factor_gt           0.0359
_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^)+(0.0676P)^2^+3.9597P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1143
_refine_ls_wR_factor_ref         0.1284
_reflns_number_gt                1791
_reflns_number_total             2267
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra02558g2.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      P4(2)/n
_cod_database_code               7224671