Isocyano Analogues of [Co(CO)4]n: A Tetraisocyanide of Cobalt Isolated in Three States of Charge
Grant W. Margulieux; Nils Weidemann; David C. Lacy; Curtis E. Moore; Arnold L. Rheingold; Joshua S. Figueroa; Journal of the American Chemical Society 132 (2010) 5033–5035; doi:10.1021/ja1012382

data_4102250
_publ_section_title
;
 Isocyano Analogues of [Co(CO)4]n: A Tetraisocyanide of Cobalt Isolated in
 Three States of Charge
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5033
_journal_page_last               5035
_journal_paper_doi               10.1021/ja1012382
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C108 H120 Co N4 Na O2'
_chemical_formula_weight         1588.00
_chemical_name_common            Na[Co(CNArMes2)4]
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 113.030(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   29.6016(19)
_cell_length_b                   11.7105(7)
_cell_length_c                   27.6057(18)
_cell_measurement_reflns_used    9853
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.18
_cell_measurement_theta_min      2.17
_cell_volume                     8806.8(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX CCD'
_diffrn_measurement_method       '\f and \w 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  0.0700
_diffrn_reflns_av_sigmaI/netI    0.0529
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            46393
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.21
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    0.254
_exptl_absorpt_correction_T_max  0.9874
_exptl_absorpt_correction_T_min  0.9702
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.198
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             3400
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.801
_refine_diff_density_min         -0.346
_refine_diff_density_rms         0.051
_refine_ls_extinction_coef       0.00008(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     539
_refine_ls_number_reflns         7899
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.0783
_refine_ls_R_factor_gt           0.0559
_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^)+(0.0307P)^2^+16.2855P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1076
_refine_ls_wR_factor_ref         0.1162
_reflns_number_gt                6172
_reflns_number_total             7899
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1012382_si_002_1.cif
_cod_data_source_block           shelxl
_cod_database_code               4102250