A new class of ligand derived from the reactions of bis(dialkylphosphino)amines and 9-diazofluorene: preparation, structure and reactivity.
Laprade, Matthew J. J.; Robertson, Katherine N.; Clyburne, Jason A. C.; Kozak, Christopher M.; Dalton transactions (Cambridge, England : 2003) 54 (2025) 11382–11397; doi:10.1039/d4dt03402c

data_7719209
_publ_section_title
;
 A new class of ligand derived from the reactions of
 bis(dialkylphosphino)amines and 9-diazofluorene: preparation, structure
 and reactivity.
;
_journal_issue                   29
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11382
_journal_page_last               11397
_journal_paper_doi               10.1039/d4dt03402c
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C58 H52 N5 Na O2 P2, C4 H8 O'
_chemical_formula_sum            'C62 H60 N5 Na O3 P2'
_chemical_formula_weight         1008.08
_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
_atom_sites_solution_primary     dual
_audit_creation_method           SHELXL-2019/3
_audit_update_record
;
2024-05-03 deposited with the CCDC.	2025-07-08 downloaded from the CCDC.
;
_cell_angle_alpha                106.1755(12)
_cell_angle_beta                 102.1874(11)
_cell_angle_gamma                94.7288(11)
_cell_formula_units_Z            2
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_cell_length_b                   12.93932(18)
_cell_length_c                   20.3684(3)
_cell_measurement_reflns_used    35745
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      78.9460
_cell_measurement_theta_min      2.3200
_cell_volume                     2623.55(7)
_computing_cell_refinement       'CrysAlisPro 1.171.42.85a (Rigaku OD, 2023)'
_computing_data_collection       'CrysAlisPro 1.171.42.85a (Rigaku OD, 2023)'
_computing_data_reduction        'CrysAlisPro 1.171.42.85a (Rigaku OD, 2023)'
_computing_structure_refinement  'SHELXL-2019/2 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT-2014 (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.00(10)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0639
_diffrn_reflns_av_unetI/netI     0.0393
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.981
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            63375
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.981
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         79.677
_diffrn_reflns_theta_min         2.329
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    1.242
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.44974
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.43.108a (Rigaku Oxford Diffraction, 2024)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_description       prism
_exptl_crystal_F_000             1064
_exptl_crystal_size_max          0.340
_exptl_crystal_size_mid          0.080
_exptl_crystal_size_min          0.056
_refine_diff_density_max         0.486
_refine_diff_density_min         -0.482
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     886
_refine_ls_number_reflns         11225
_refine_ls_number_restraints     1714
_refine_ls_restrained_S_all      0.987
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0430
_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^)+(0.0658P)^2^+1.0269P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1163
_refine_ls_wR_factor_ref         0.1235
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9663
_reflns_number_total             11225
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt03402c2.cif
_cod_data_source_block           Compound6_Na_KML133
_cod_original_cell_volume        2623.56(6)
_cod_database_code               7719209
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_min   0.678
_shelx_estimated_absorpt_t_max   0.934
_shelx_res_checksum              36091
_shelx_hkl_checksum              41465