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_1569716
_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            'C74 H74 Br2 O5 P2'
_chemical_formula_weight         1265.09
_chemical_name_systematic        'Br, C34 H26 P, C2 H6 O, C2 H6 O, H2 O'
_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   mixed
_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                 114.085(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   25.8430(19)
_cell_length_b                   11.7629(8)
_cell_length_c                   22.1155(17)
_cell_measurement_reflns_used    10475
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      107.814
_cell_measurement_theta_min      6.529
_cell_volume                     6137.6(8)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Incoatec I\ms'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0685
_diffrn_reflns_av_unetI/netI     0.0500
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            23421
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.362
_diffrn_reflns_theta_min         1.726
_exptl_absorpt_coefficient_mu    1.426
_exptl_crystal_colour            'clear greenish green'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   greenish
_exptl_crystal_density_diffrn    1.369
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2632
_exptl_crystal_preparation       Luminescent
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.610
_refine_diff_density_min         -0.974
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         5618
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0678
_refine_ls_R_factor_gt           0.0559
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0935P)^2^+16.2876P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1604
_refine_ls_wR_factor_ref         0.1709
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4609
_reflns_number_total             5618
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc03201a2.cif
_cod_data_source_block           20211209ybmn1_0m
_cod_depositor_comments
'Adding full bibliography for 1569716--1569732.cif.'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1569716
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.848
_shelx_estimated_absorpt_t_max   0.871
_shelx_res_checksum              80382