Untethered 4,1,2-MC(2)B(10) supraicosahedral metallacarboranes, their C,C'-dimethyl 4,1,6-, 4,1,8- and 4,1,12-MC(2)B(10) analogues, and DFT study of the (4,)1,2- to (4,)1,6-isomerisations of C(2)B(11) carboranes and MC(2)B(10) metallacarboranes.
McAnaw, Amelia; Elena Lopez, Maria; Scott, Greig; Ellis, David; McKay, David; Rosair, Georgina M.; Welch, Alan J.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 10957–10969; doi:10.1039/c2dt31283b

data_7020077
_publ_section_title
;
 Untethered 4,1,2-MC(2)B(10) supraicosahedral metallacarboranes, their
 C,C'-dimethyl 4,1,6-, 4,1,8- and 4,1,12-MC(2)B(10) analogues, and DFT
 study of the (4,)1,2- to (4,)1,6-isomerisations of C(2)B(11) carboranes
 and MC(2)B(10) metallacarboranes.
;
_journal_issue                   36
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10957
_journal_page_last               10969
_journal_paper_doi               10.1039/c2dt31283b
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C14 H30 B10 Ru'
_chemical_formula_sum            'C14 H30 B10 Ru'
_chemical_formula_weight         407.55
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2011-02-08 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 105.539(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5142(8)
_cell_length_b                   25.954(2)
_cell_length_c                   9.0339(9)
_cell_measurement_reflns_used    9981
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      36.87
_cell_measurement_theta_min      2.60
_cell_volume                     1923.3(3)
_computing_cell_refinement       'Bruker APEX'
_computing_data_collection       'Bruker APEX'
_computing_data_reduction        'Bruker APEX'
_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 0.999
_diffrn_measured_fraction_theta_max 0.925
_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  0.0450
_diffrn_reflns_av_sigmaI/netI    0.0300
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       43
_diffrn_reflns_limit_k_min       -42
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            54566
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         37.34
_diffrn_reflns_theta_min         2.82
_exptl_absorpt_coefficient_mu    0.808
_exptl_absorpt_correction_T_max  0.7820
_exptl_absorpt_correction_T_min  0.6427
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2004)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.407
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.525
_refine_diff_density_min         -0.914
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     261
_refine_ls_number_reflns         9253
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0270
_refine_ls_R_factor_gt           0.0230
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0104P)^2^+0.9004P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0503
_refine_ls_wR_factor_ref         0.0517
_reflns_number_gt                8484
_reflns_number_total             9253
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt31283b.txt
_cod_data_source_block           x82350
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7020077