Redox-induced κ2‒κ3 isomerisation in hydrotris(pyrazolyl)boratorhodium complexes: synthesis, structure and ESR spectroscopy of stabilised rhodium(II) species
Connelly, Neil G.; Emslie, David J. H.; Geiger, William E.; Hayward, Owen D.; Linehan, Emma B.; Orpen, A. Guy; Quayle, Michael J.; Rieger, Philip H.; Journal of the Chemical Society, Dalton Transactions  (2001) 670–; doi:10.1039/b008131k

data_7010344
_publ_section_title
;
 Redox-induced \k2--\k3 isomerisation in
 hydrotris(pyrazolyl)boratorhodium complexes: synthesis, structure and
 ESR spectroscopy of stabilised rhodium(II) species
;
_journal_issue                   5
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              670
_journal_paper_doi               10.1039/b008131k
_journal_year                    2001
_chemical_formula_sum            'C54 H52 B N6 P2 Rh'
_chemical_formula_weight         960.68
_chemical_name_systematic
; 
 ? 
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 91.323(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.4436(11)
_cell_length_b                   18.7695(18)
_cell_length_c                   23.137(3)
_cell_measurement_reflns_used    352
_cell_measurement_temperature    173(2)
_cell_volume                     4968.3(9)
_computing_cell_refinement       'SAINT (Siemens, 1995b)'
_computing_data_collection       'SMART (Siemens, 1995b)'
_computing_data_reduction        'SAINT (Siemens, 1995b)'
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Siemens SMART CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_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  0.0266
_diffrn_reflns_av_sigmaI/netI    0.0371
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            31048
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    0.450
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.870920
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS, Sheldrick 1996'
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.284
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1992
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.618
_refine_diff_density_min         -0.451
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.128
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     609
_refine_ls_number_reflns         11340
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.128
_refine_ls_R_factor_all          0.0450
_refine_ls_R_factor_gt           0.0305
_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^)+(0.0451P)^2^+0.3115P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0852
_refine_ls_wR_factor_ref         0.0902
_reflns_number_gt                9052
_reflns_number_total             11340
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b008131k.txt
_cod_data_source_block           8
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        4968.2(10)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7010344