Synthesis and reactivity of a six-membered heterocyclic 1,3-diphosphaallene.
Sharma, Mahendra K.; Wölper, Christoph; Siera, Hannah; Haberhauer, Gebhard; Schulz, Stephan; Chemical science 16 (2025) 1189–1196; doi:10.1039/d4sc06371f

data_1573370
_publ_section_title
;
 Synthesis and reactivity of a six-membered heterocyclic
 1,3-diphosphaallene.
;
_journal_issue                   3
_journal_name_full               'Chemical science'
_journal_page_first              1189
_journal_page_last               1196
_journal_paper_doi               10.1039/d4sc06371f
_journal_volume                  16
_journal_year                    2025
_chemical_formula_sum            'C69 H106 Ga2 N4 O P2 Si'
_chemical_formula_weight         1237.04
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2024-06-12 deposited with the CCDC.	2024-11-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.719(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.1894(6)
_cell_length_b                   13.1269(5)
_cell_length_c                   34.6139(13)
_cell_measurement_reflns_used    9383
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      79.64
_cell_measurement_theta_min      2.57
_cell_volume                     6854.3(5)
_computing_cell_refinement       'Bruker APEX3(v2017.3-0)'
_computing_data_collection       'Bruker APEX3(v2017.3-0)'
_computing_data_reduction        'Bruker APEX3(v2017.3-0)'
_computing_molecular_graphics    'ORTEP/PLATON (Spek)'
_computing_publication_material  'BRUKER AXS SHELXTL (c) 2008 / Vers. 2008/4'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'Bruker APEX3(v2017.3-0)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 7.3910
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker D8 Venture (Photon II detector)'
_diffrn_measurement_method       'Data collection strategy APEX 3/Queen'
_diffrn_radiation_monochromator  'multilayer mirror'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0783
_diffrn_reflns_av_unetI/netI     0.0216
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       44
_diffrn_reflns_limit_l_min       -44
_diffrn_reflns_number            297275
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         80.847
_diffrn_reflns_theta_min         2.571
_diffrn_source                   'micro-focus sealed tube'
_diffrn_source_type              'INCOATEC I\mS 3.0'
_exptl_absorpt_coefficient_mu    1.890
_exptl_absorpt_correction_T_max  0.75
_exptl_absorpt_correction_T_min  0.59
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Blessing, Acta Cryst 1995 A51 33-38'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.199
_exptl_crystal_description       tablet
_exptl_crystal_F_000             2648
_exptl_crystal_size_max          0.242
_exptl_crystal_size_mid          0.168
_exptl_crystal_size_min          0.049
_refine_diff_density_max         0.604
_refine_diff_density_min         -0.462
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.187
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1017
_refine_ls_number_reflns         14958
_refine_ls_number_restraints     343
_refine_ls_restrained_S_all      1.195
_refine_ls_R_factor_all          0.0674
_refine_ls_R_factor_gt           0.0580
_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^)+(0.0161P)^2^+15.0868P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1255
_refine_ls_wR_factor_ref         0.1307
_reflns_Friedel_coverage         0.000
_reflns_number_gt                13022
_reflns_number_total             14958
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc06371f2.cif
_cod_data_source_block           mks_100m
_cod_depositor_comments
'Adding full bibliography for 1573368--1573371.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1573370
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.658
_shelx_estimated_absorpt_t_max   0.913
_shelx_res_checksum              46961
_shelx_hkl_checksum              64712