The Redox Chemistry of [Co6C(CO)15](2-): A Synthetic Route to New Co-Carbide Carbonyl Clusters.
Ciabatti, Iacopo; Femoni, Cristina; Hayatifar, Mohammad; Iapalucci, Maria Carmela; Longoni, Giuliano; Pinzino, Calogero; Solmi, Matilde Valeria; Zacchini, Stefano; Inorganic chemistry 53 (2014) 3818–; doi:10.1021/ic500161e

data_4337978
_publ_section_title
;
 The Redox Chemistry of [Co6C(CO)15](2-): A Synthetic Route to New
 Co-Carbide Carbonyl Clusters.
;
_journal_issue                   7
_journal_name_full               'Inorganic chemistry'
_journal_page_first              3818
_journal_paper_doi               10.1021/ic500161e
_journal_volume                  53
_journal_year                    2014
_chemical_formula_sum            'C35 H16 Co11 N O23'
_chemical_formula_weight         1466.72
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 90.568(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.790(3)
_cell_length_b                   12.275(4)
_cell_length_c                   37.754(12)
_cell_measurement_reflns_used    9940
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.150
_cell_measurement_theta_min      2.334
_cell_volume                     4537(2)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'SCHAKAL99 (Keller, 1999)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0614
_diffrn_reflns_av_unetI/netI     0.0444
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       44
_diffrn_reflns_limit_l_min       -44
_diffrn_reflns_number            40049
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.08
_exptl_absorpt_coefficient_mu    3.993
_exptl_absorpt_correction_T_max  0.5675
_exptl_absorpt_correction_T_min  0.4475
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption corrections SADABS).
 R(int) = 0.1619 (selected reflections only, before parameter refinement)
 R(int) = 0.0833 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            dark-brown
_exptl_crystal_density_diffrn    2.147
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2856
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.191
_refine_diff_density_min         -0.953
_refine_diff_density_rms         0.168
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     670
_refine_ls_number_reflns         7977
_refine_ls_number_restraints     153
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0884
_refine_ls_R_factor_gt           0.0822
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1198P)^2^+101.5965P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2402
_refine_ls_wR_factor_ref         0.2494
_reflns_number_gt                7341
_reflns_number_total             7977
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic500161e_si_001.cif
_cod_data_source_block           6_[TMBA][Co11C2(CO)23]
_cod_depositor_comments
'Adding full bibliography for 4337973--4337985.cif.'
_cod_original_cell_volume        4537(3)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4337978