Strongly Phosphorescent Transition Metal π-Complexes of Boron-Boron Triple Bonds.
Braunschweig, Holger; Dellermann, Theresa; Dewhurst, Rian D.; Hupp, Benjamin; Kramer, Thomas; Mattock, James D.; Mies, Jan; Phukan, Ashwini K.; Steffen, Andreas; Vargas, Alfredo; Journal of the American Chemical Society 139 (2017) 4887–4893; doi:10.1021/jacs.7b00766

data_4126147
_publ_section_title
;
 Strongly Phosphorescent Transition Metal \p-Complexes of Boron-Boron
 Triple Bonds.
;
_journal_issue                   13
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4887
_journal_page_last               4893
_journal_paper_doi               10.1021/jacs.7b00766
_journal_volume                  139
_journal_year                    2017
_chemical_formula_moiety         'C60 H78 B2 Cl2 Cu2 N4'
_chemical_formula_sum            'C60 H78 B2 Cl2 Cu2 N4'
_chemical_formula_weight         1074.86
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_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
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_cell_angle_beta                 93.26(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.580(7)
_cell_length_b                   16.059(9)
_cell_length_c                   24.981(13)
_cell_measurement_reflns_used    9907
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.27
_cell_measurement_theta_min      2.44
_cell_volume                     5840(5)
_computing_cell_refinement       'Saint+ ver. V8.37A (Bruker AXS)'
_computing_data_collection       'APEX2 ver. 2014.9 (Bruker AXS)'
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_computing_structure_solution    'SHELXT (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CMOS area detector (Photon 100)'
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker D8 Quest'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multi-layer mirror'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
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_diffrn_reflns_av_unetI/netI     0.0685
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
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_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            44138
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.022
_diffrn_reflns_theta_min         2.089
_diffrn_source                   'microfocus sealed tube (Incoatec ImS)'
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_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6085
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SadAbs 2014/5 (Bruker AXS)'
_exptl_crystal_colour            orange
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_exptl_crystal_description       block
_exptl_crystal_F_000             2272
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.198
_exptl_crystal_size_min          0.114
_refine_diff_density_max         0.552
_refine_diff_density_min         -0.796
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     647
_refine_ls_number_reflns         11457
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0816
_refine_ls_R_factor_gt           0.0448
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0535P)^2^+2.3015P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0987
_refine_ls_wR_factor_ref         0.1137
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8027
_reflns_number_total             11457
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b00766_si_002.cif
_cod_data_source_block           4
_cod_database_code               4126147
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.840
_shelx_estimated_absorpt_t_max   0.908
_shelx_res_checksum              291
_shelx_hkl_checksum              96217