The case of a μ<sub>2</sub>-P aromatic phosphinine as a 4-electron donor forming σ- and π-three-center-two-electron bonds.
Zhang, Jie; Hou, Yuanfeng; Liu, Shihua; Lin, Jieli; Li, Zhongshu; Dalton transactions (Cambridge, England : 2003) 53 (2024) 5608–5615; doi:10.1039/d4dt00228h

data_7715203
_publ_section_title
;
 The case of a &#x3bc;<sub>2</sub>-P aromatic phosphinine as a 4-electron
 donor forming &#x3c3;- and &#x3c0;-three-center-two-electron bonds.
;
_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5608
_journal_page_last               5615
_journal_paper_doi               10.1039/d4dt00228h
_journal_volume                  53
_journal_year                    2024
_chemical_formula_moiety         'C52 H36 O4 P4 Rh, C32 H12 B F24'
_chemical_formula_sum            'C84 H48 B F24 O4 P4 Rh'
_chemical_formula_weight         1814.82
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2023-09-15
_audit_creation_method
;
Olex2 1.5
(compiled 2021.12.09 svn.r5202d8cf for OlexSys, GUI svn.r6439)
;
_audit_update_record
;
2023-10-20 deposited with the CCDC.	2024-02-21 downloaded from the CCDC.
;
_cell_angle_alpha                77.086(5)
_cell_angle_beta                 73.804(5)
_cell_angle_gamma                84.818(5)
_cell_formula_units_Z            2
_cell_length_a                   12.6282(8)
_cell_length_b                   15.4080(9)
_cell_length_c                   21.6077(12)
_cell_measurement_reflns_used    12904
_cell_measurement_temperature    150.00(10)
_cell_measurement_theta_max      29.9180
_cell_measurement_theta_min      2.6220
_cell_volume                     3933.6(4)
_computing_cell_refinement       'CrysAlisPro 1.171.39.28b (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.39.28b (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.39.28b (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2014/7 (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.834
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w     -8.00  18.00   0.50  100.00    --    0.00  38.00  90.00   52
  2  \w     -4.00  43.00   0.50  100.00    --    0.00  57.00 -30.00   94
  3  \w     53.00  81.00   0.50  100.00    --    0.00  57.00 -30.00   56
  4  \w    -21.00  25.00   0.50  100.00    --    0.00  57.00-120.00   92
  5  \w    -79.00 -53.00   0.50  100.00    --    0.00 -82.00-150.00   52
  6  \w    -13.00  29.00   0.50  100.00    --    0.00 -82.00-150.00   84
  7  \w    -14.00  12.00   0.50  100.00    --    0.00  57.00 -60.00   52
  8  \w     54.00  89.00   0.50  100.00    --    0.00  57.00 -60.00   70
  9  \w     15.00  42.00   0.50  100.00    --    0.00  57.00-150.00   54
 10  \w      8.00  83.00   0.50  100.00    --    0.00  19.00  30.00  150
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB AFC12 (RINC): Kappa dual offset/far'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0039650000
_diffrn_orient_matrix_UB_12      -0.0383517000
_diffrn_orient_matrix_UB_13      -0.0121763000
_diffrn_orient_matrix_UB_21      -0.0565808000
_diffrn_orient_matrix_UB_22      -0.0028310000
_diffrn_orient_matrix_UB_23      0.0175204000
_diffrn_orient_matrix_UB_31      -0.0143854000
_diffrn_orient_matrix_UB_32      0.0274536000
_diffrn_orient_matrix_UB_33      -0.0276716000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0567
_diffrn_reflns_av_unetI/netI     0.0619
_diffrn_reflns_Laue_measured_fraction_full 0.972
_diffrn_reflns_Laue_measured_fraction_max 0.834
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            59159
_diffrn_reflns_point_group_measured_fraction_full 0.972
_diffrn_reflns_point_group_measured_fraction_max 0.834
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.157
_diffrn_reflns_theta_min         2.714
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.407
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.53102
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.28b (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear orangish yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   orangish
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.532
_exptl_crystal_description       block
_exptl_crystal_F_000             1820
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.4
_refine_diff_density_max         0.995
_refine_diff_density_min         -0.710
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1090
_refine_ls_number_reflns         19422
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0699
_refine_ls_R_factor_gt           0.0456
_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^)+(0.0508P)^2^+3.2439P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1057
_refine_ls_wR_factor_ref         0.1180
_reflns_Friedel_coverage         0.000
_reflns_number_gt                14553
_reflns_number_total             19422
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt00228h2.cif
_cod_data_source_block           6
_cod_depositor_comments
'Adding full bibliography for 7715202--7715205.cif.'
_cod_database_code               7715203
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.854
_shelx_estimated_absorpt_t_min   0.823
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(C46) \\sim Ueq, Uanis(C45) \\sim Ueq, Uanis(C44) \\sim Ueq, Uanis(C43)
\\sim Ueq: with sigma of 0.01 and sigma for terminal atoms of 0.02
3. Others
 Fixed Sof: F18(0.4) F21(0.4) F24(0.4) F25(0.33333) F28(0.33333) F31(0.33333)
 F35(0.5) F39(0.5) F41(0.5) F17(0.4) F20(0.4) F23(0.4) F27(0.33333)
 F30(0.33333) F33(0.33333) F36(0.25) F38(0.25) F42(0.25) F16(0.2) F19(0.2)
 F22(0.2) F26(0.33333) F29(0.33333) F32(0.33333) F34(0.25) F37(0.25) F40(0.25)
4.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C8(H8), C9(H9), C10(H10), C11(H11), C12(H12), C14(H14),
 C15(H15), C16(H16), C17(H17), C18(H18), C20(H20), C22(H22), C25(H25), C26(H26),
  C27(H27), C28(H28), C29(H29), C31(H31), C32(H32), C33(H33), C34(H34),
 C35(H35), C38(H38), C40(H40), C42(H42), C43(H43), C44(H44), C45(H45), C46(H46),
  C48(H48), C49(H49), C50(H50), C51(H51), C52(H52), C54(H54), C56(H56),
 C58(H58), C62(H62), C64(H64), C66(H66), C70(H70), C72(H72), C74(H74), C77(H77),
  C79(H79), C81(H81)
;
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 2.918
_oxdiff_exptl_absorpt_empirical_full_min 0.461