Effects of Weak Intermolecular Interactions on the Molecular Isomerism of Tricobalt Metal Chains
Rasmus D. Poulsen; Jacob Overgaard; Alexander Schulman; Christina Østergaard; Carlos A. Murillo; Mark A. Spackman; Bo B. Iversen; Journal of the American Chemical Society 131 (2009) 7580–7591; doi:10.1021/ja8091032

data_4104475
_publ_section_title
;
 Effects of Weak Intermolecular Interactions on the Molecular Isomerism of
 Tricobalt Metal Chains
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7580
_journal_page_last               7591
_journal_paper_doi               10.1021/ja8091032
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C42.25 H35.75 Cl6.5 Co3 N12'
_chemical_formula_weight         1118.79
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           82
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      82
_symmetry_space_group_name_Hall  'I -4'
_symmetry_space_group_name_H-M   'I -4'
_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            8
_cell_length_a                   27.483(12)
_cell_length_b                   27.483(12)
_cell_length_c                   12.376(7)
_cell_measurement_temperature    293(2)
_cell_volume                     9348(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_type            SMART1000
_diffrn_measured_fraction_theta_full 0.870
_diffrn_measured_fraction_theta_max 0.870
_diffrn_measurement_device_type  '4-circle diffractometer'
_diffrn_measurement_method
;
            \f-scans
;
_diffrn_radiation_wavelength     0.643
_diffrn_reflns_av_R_equivalents  0.0387
_diffrn_reflns_av_sigmaI/netI    0.0521
_diffrn_reflns_limit_h_max       48
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       42
_diffrn_reflns_limit_k_min       -42
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            59854
_diffrn_reflns_theta_full        34.57
_diffrn_reflns_theta_max         34.57
_diffrn_reflns_theta_min         0.95
_diffrn_source                   synchrotron
_diffrn_source_type              'NSLS beamline X3A1'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.470
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.590
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             4518
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.212
_refine_diff_density_min         -0.512
_refine_diff_density_rms         0.138
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.911(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     588
_refine_ls_number_reflns         21750
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0920
_refine_ls_R_factor_gt           0.0637
_refine_ls_shift/su_max          0.263
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1086P)^2^+4.8842P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1666
_refine_ls_wR_factor_ref         0.1854
_reflns_number_gt                15797
_reflns_number_total             21750
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja8091032_si_002_3.cif
_cod_data_source_block           300K
_cod_original_cell_volume        9347(8)
_cod_original_formula_sum        'C42.25 H35.75 Cl6.50 Co3 N12'
_cod_database_code               4104475