Heteroatomic Deltahedral Clusters: Synthesis and Structures of closo-[Bi3Ni4(CO)6]3-, closo-[Bi4Ni4(CO)6]2-, the Open Cluster [Bi3Ni6(CO)9]3-, and the Intermetalloid closo-[Nix@{Bi6Ni6(CO)8}]4-
Jose M. Goicoechea; Michael W. Hull; Slavi C. Sevov; Journal of the American Chemical Society 129 (2007) 7885–7893; doi:10.1021/ja071044b

data_4109560
_publ_section_title
;
 Heteroatomic Deltahedral Clusters: Synthesis and Structures of
 closo-[Bi3Ni4(CO)6]3-, closo-[Bi4Ni4(CO)6]2-, the Open Cluster
 [Bi3Ni6(CO)9]3-, and the Intermetalloid closo-[Nix@{Bi6Ni6(CO)8}]4-
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7885
_journal_page_last               7893
_journal_paper_doi               10.1021/ja071044b
_journal_volume                  129
_journal_year                    2007
_chemical_formula_moiety
'4(C12 H24 K O6), (C8 Bi6 Ni6.3 O8), 3(C2 N2 H8)'
_chemical_formula_sum            'C62 H120 Bi6 K4 N6 Ni6.33 O32'
_chemical_formula_weight         3243.55
_chemical_name_systematic
;
 (K-18crown6)4(Ni@Bi6Ni6(CO)8)*3en
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                111.699(2)
_cell_angle_beta                 91.646(2)
_cell_angle_gamma                118.1490(10)
_cell_formula_units_Z            1
_cell_length_a                   13.7111(3)
_cell_length_b                   14.3075(4)
_cell_length_c                   15.4124(6)
_cell_measurement_temperature    100(2)
_cell_volume                     2399.60(14)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004; Sheldrick, 2003)'
_computing_molecular_graphics    'XP (Sheldrick, 1998)'
_computing_publication_material  'XCIF (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(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  0.0432
_diffrn_reflns_av_sigmaI/netI    0.0445
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            36032
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    12.413
_exptl_absorpt_correction_T_max  0.6366
_exptl_absorpt_correction_T_min  0.2014
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Blessing, R.H. (1995) Acta Cryst. A51, 33-38'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    2.245
_exptl_crystal_description       rod
_exptl_crystal_F_000             1541
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.04
_refine_diff_density_max         3.526
_refine_diff_density_min         -1.162
_refine_diff_density_rms         0.227
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     524
_refine_ls_number_reflns         8376
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0627
_refine_ls_R_factor_gt           0.0464
_refine_ls_shift/su_max          0.014
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0688P)^2^+15.1645P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1141
_refine_ls_wR_factor_ref         0.1196
_reflns_number_gt                6788
_reflns_number_total             8376
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja071044bsi20070213_043014_4.cif
_cod_data_source_block           3
_cod_original_cell_volume        2399.60(13)
_cod_database_code               4109560