Reversible C-H activation of a P(t)Bu(i)Bu2 ligand to reveal a masked 12 electron [Rh(PR3)2]+ cation.
Sewell, Laura J.; Chaplin, Adrian B.; Abdalla, Joseph A. B.; Weller, Andrew S.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 7437–7439; doi:10.1039/c0dt00449a

data_7026468
_publ_section_title
;
 Reversible C-H activation of a P(t)Bu(i)Bu2 ligand to reveal a masked 12
 electron [Rh(PR3)2]+ cation.
;
_journal_issue                   32
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7437
_journal_page_last               7439
_journal_paper_doi               10.1039/c0dt00449a
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C24 H54 P2 Rh, C32 H12 B F24'
_chemical_formula_sum            'C56 H66 B F24 P2 Rh'
_chemical_formula_weight         1370.75
_chemical_melting_point          ?
_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                72.9625(7)
_cell_angle_beta                 85.6901(6)
_cell_angle_gamma                60.4717(6)
_cell_formula_units_Z            2
_cell_length_a                   12.9373(2)
_cell_length_b                   13.0919(2)
_cell_length_c                   22.2056(3)
_cell_measurement_reflns_used    12343
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      5.097
_cell_volume                     3118.05(8)
_computing_cell_refinement       'Denzo/Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'Denzo/Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'ORTEP3 (Farrugia, 1997)'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla et al., 2005)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0252
_diffrn_reflns_av_sigmaI/netI    0.0448
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            22967
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         5.10
_exptl_absorpt_coefficient_mu    0.432
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.948
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Denzo/Scalepack (Otwinowski & Minor 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.460
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1396
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.857
_refine_diff_density_min         -0.605
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1214
_refine_ls_number_reflns         12605
_refine_ls_number_restraints     1802
_refine_ls_restrained_S_all      1.119
_refine_ls_R_factor_all          0.0957
_refine_ls_R_factor_gt           0.0722
_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^)+(0.1343P)^2^+4.7667P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2063
_refine_ls_wR_factor_ref         0.2276
_reflns_number_gt                9343
_reflns_number_total             12605
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00449a.txt
_cod_data_source_block           147abc10
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

'_symmetry_cell_setting' value
'Triclinic' changed to 'triclinic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7026468