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_4337974
_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            'C23 H20 Co6 N O14'
_chemical_formula_weight         887.98
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           95
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4cw 2c'
_symmetry_space_group_name_H-M   'P 43 2 2'
_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                   8.6041(3)
_cell_length_b                   8.6041(3)
_cell_length_c                   42.833(3)
_cell_measurement_reflns_used    1620
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      19.537
_cell_measurement_theta_min      2.4145
_cell_volume                     3170.9(3)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0785
_diffrn_reflns_av_unetI/netI     0.0732
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       53
_diffrn_reflns_limit_l_min       -54
_diffrn_reflns_number            14375
_diffrn_reflns_theta_full        26.73
_diffrn_reflns_theta_max         26.73
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    3.130
_exptl_absorpt_correction_T_max  0.7052
_exptl_absorpt_correction_T_min  0.5877
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption corrections SADABS).
 R(int) = 0.0750 (selected reflections only, before parameter refinement)
 R(int) = 0.0594 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.860
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1756
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.350
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.977
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         3373
_refine_ls_number_restraints     54
_refine_ls_restrained_S_all      0.984
_refine_ls_R_factor_all          0.0862
_refine_ls_R_factor_gt           0.0413
_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^)+(0.0164P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0555
_refine_ls_wR_factor_ref         0.0667
_reflns_number_gt                2180
_reflns_number_total             3373
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic500161e_si_001.cif
_cod_data_source_block           2_[TEA][Co6C(CO)14]
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/usr/data/users/saulius/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4337973--4337985.cif.
;
_cod_original_cell_volume        3171.0(3)
_cod_original_sg_symbol_H-M      P4(3)22
_cod_database_code               4337974