Unbridged Rh(ii)-Rh(ii) complexes of N-heterocyclic carbenes and reactions with O<sub>2</sub> to form dirhodium(μ-η<sup>1</sup>:η<sup>1</sup>-O<sub>2</sub>) complexes.
Yi, Xiaofei; Liu, Bin; Chen, Kai; Chen, Wei; Chen, Wanzhi; Dalton transactions (Cambridge, England : 2003) 48 (2019) 3835–3839; doi:10.1039/c9dt00421a

data_7049117
_publ_section_title
;
 Unbridged Rh(ii)-Rh(ii) complexes of N-heterocyclic carbenes and
 reactions with O<sub>2</sub> to form
 dirhodium(\m-\h<sup>1</sup>:\h<sup>1</sup>-O<sub>2</sub>) complexes.
;
_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3835
_journal_page_last               3839
_journal_paper_doi               10.1039/c9dt00421a
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C38 H34 N14 Rh2, 4(F6 P), 2(C2 H3 N)'
_chemical_formula_sum            'C42 H40 F24 N16 P4 Rh2'
_chemical_formula_weight         1554.60
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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-2018/3
_audit_update_record
;
2019-02-20 deposited with the CCDC.    2019-02-21 downloaded from the CCDC.
;
_cell_angle_alpha                79.434(4)
_cell_angle_beta                 73.363(5)
_cell_angle_gamma                65.209(6)
_cell_formula_units_Z            1
_cell_length_a                   10.7295(8)
_cell_length_b                   12.2235(6)
_cell_length_c                   12.5730(7)
_cell_measurement_reflns_used    3350
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.4529
_cell_measurement_theta_min      3.3253
_cell_volume                     1430.54(17)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0404
_diffrn_reflns_av_unetI/netI     0.0573
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8880
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.008
_diffrn_reflns_theta_max         25.008
_diffrn_reflns_theta_min         3.332
_exptl_absorpt_coefficient_mu    0.816
_exptl_absorpt_correction_T_max  0.7977
_exptl_absorpt_correction_T_min  0.6953
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.805
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             770
_exptl_crystal_size_max          0.480
_exptl_crystal_size_mid          0.430
_exptl_crystal_size_min          0.290
_refine_diff_density_max         1.709
_refine_diff_density_min         -0.529
_refine_diff_density_rms         0.103
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     399
_refine_ls_number_reflns         5027
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0635
_refine_ls_R_factor_gt           0.0519
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0684P)^2^+2.3994P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1294
_refine_ls_wR_factor_ref         0.1424
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4298
_reflns_number_total             5027
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt00421a2.cif
_cod_data_source_block           160614_yxf160525_B
_cod_depositor_comments
'Adding full bibliography for 7049117--7049121.cif.'
_cod_database_code               7049117
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.695
_shelx_estimated_absorpt_t_max   0.798
_shelx_res_checksum              81545