Mn(iii)-mediated C-P bond activation of diphosphines: toward a highly emissive phosphahelicene cation scaffold and modulated circularly polarized luminescence.
Yang, Bo; Yan, Suqiong; Li, Chengbo; Ma, Hui; Feng, Fanda; Zhang, Yuan; Huang, Wei; Chemical science 14 (2023) 10446–10457; doi:10.1039/d3sc03201a

data_1569725
_publ_section_title
;
 Mn(iii)-mediated C-P bond activation of diphosphines: toward a highly
 emissive phosphahelicene cation scaffold and modulated circularly
 polarized luminescence.
;
_journal_issue                   38
_journal_name_full               'Chemical science'
_journal_page_first              10446
_journal_page_last               10457
_journal_paper_doi               10.1039/d3sc03201a
_journal_volume                  14
_journal_year                    2023
_chemical_formula_sum            'C64 H56 P2'
_chemical_formula_weight         887.02
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2022-12-09 deposited with the CCDC.	2023-08-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 118.644(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_b                   8.5089(8)
_cell_length_c                   19.653(2)
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_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      54.921
_cell_measurement_theta_min      4.723
_cell_volume                     4808.4(8)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0839
_diffrn_reflns_av_unetI/netI     0.0726
_diffrn_reflns_Laue_measured_fraction_full 0.997
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_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -33
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_diffrn_reflns_number            20104
_diffrn_reflns_point_group_measured_fraction_full 0.997
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_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.000
_diffrn_reflns_theta_min         2.362
_exptl_absorpt_coefficient_mu    0.132
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.225
_exptl_crystal_description       block
_exptl_crystal_F_000             1880
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.487
_refine_diff_density_min         -0.484
_refine_diff_density_rms         0.128
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     301
_refine_ls_number_reflns         5237
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.990
_refine_ls_R_factor_all          0.1063
_refine_ls_R_factor_gt           0.0632
_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^)+(0.1049P)^2^+4.2416P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1654
_refine_ls_wR_factor_ref         0.1979
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3450
_reflns_number_total             5237
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc03201a2.cif
_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 1569716--1569732.cif.'
_cod_original_cell_volume        4808.5(8)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1569725
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.984
_shelx_estimated_absorpt_t_max   0.987
_shelx_res_checksum              94879