Chemistry of Mangana- and Rhenatricarbadecaboranyl Tricarbonyl Complexes: Evidence for an Associative Mechanism of Ligand Substitution Involving an η6-η4 Cage-Slippage Process Analagous to η5-η3-Cyclopentadienyl Ring-Slippage
Robert Butterick; Bhaskar M. Ramachandran; Patrick J. Carroll; Larry G. Sneddon; Journal of the American Chemical Society 128 (2006) 8626–8637; doi:10.1021/ja062201u

data_4110702
_publ_section_title
;
 Chemistry of Mangana- and Rhenatricarbadecaboranyl Tricarbonyl Complexes:
 Evidence for an Associative Mechanism of Ligand Substitution Involving an
 \h6-\h4 Cage-Slippage Process Analagous to \h5-\h3-Cyclopentadienyl
 Ring-Slippage
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8626
_journal_page_last               8637
_journal_paper_doi               10.1021/ja062201u
_journal_volume                  128
_journal_year                    2006
_chemical_formula_sum            'C16 H23 B7 N O2 Re'
_chemical_formula_weight         523.22
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.614(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.732(2)
_cell_length_b                   9.4221(8)
_cell_length_c                   17.6886(17)
_cell_measurement_temperature    143(1)
_cell_volume                     4117.6(6)
_computing_data_collection       'CrystalClear (Rigaku, 1999)'
_computing_data_reduction        'CrystalClear (Rigaku, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare, 1999)'
_diffrn_ambient_temperature      143(1)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device       'CCD Area Detector'
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       'phi and omega rotations'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0237
_diffrn_reflns_av_sigmaI/netI    0.0335
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            30071
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.57
_exptl_absorpt_coefficient_mu    5.912
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.5417
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.688
_exptl_crystal_F_000             2016
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.972
_refine_diff_density_min         -1.709
_refine_diff_density_rms         0.127
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     494
_refine_ls_number_reflns         9333
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0300
_refine_ls_R_factor_gt           0.0249
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0310P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0552
_refine_ls_wR_factor_ref         0.0583
_reflns_number_gt                8140
_reflns_number_total             9333
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja062201usi20060330_051321.cif
_cod_data_source_block           shelxl
_cod_original_cell_volume        4117.7(7)
_cod_original_sg_symbol_H-M      'P 21/c '
_cod_database_code               4110702