Phospha-bicyclohexene-germylenes exhibiting unexpected reactivity.
Würdemann, Marie Sophie; Kühn, Steffen; Bötel, Tobias; Schmidtmann, Marc; Müller, Thomas; Chemical science 15 (2024) 14161–14170; doi:10.1039/d4sc04034a

data_1572207
_publ_section_title
;
 Phospha-bicyclohexene-germylenes exhibiting unexpected reactivity.
;
_journal_issue                   35
_journal_name_full               'Chemical science'
_journal_page_first              14161
_journal_page_last               14170
_journal_paper_doi               10.1039/d4sc04034a
_journal_volume                  15
_journal_year                    2024
_chemical_formula_structural     PC4(CH3)2(Si(CH3)3)2(C9H18N)
_chemical_formula_sum            'C21 H42 N P Si2'
_chemical_formula_weight         395.70
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2024-06-17 deposited with the CCDC.	2024-07-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.0130(13)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.7167(3)
_cell_length_b                   30.5644(8)
_cell_length_c                   12.3609(3)
_cell_measurement_reflns_used    9747
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      34.99
_cell_measurement_theta_min      2.39
_cell_volume                     4804.4(2)
_computing_cell_refinement       'Bruker SAINT V8.40B'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT V8.40B'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-2013/1 (Sheldrick, 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0392
_diffrn_reflns_av_unetI/netI     0.0298
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.961
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       49
_diffrn_reflns_limit_k_min       -48
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            125982
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.961
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         34.971
_diffrn_reflns_theta_min         1.601
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.219
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9623
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS-2016/2 (Sheldrick)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.094
_exptl_crystal_description       block
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.260
_exptl_crystal_size_min          0.200
_refine_diff_density_max         1.062
_refine_diff_density_min         -0.471
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     556
_refine_ls_number_reflns         20288
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0577
_refine_ls_R_factor_gt           0.0490
_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^)+(0.0600P)^2^+3.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1227
_refine_ls_wR_factor_ref         0.1277
_reflns_Friedel_coverage         0.000
_reflns_number_gt                17938
_reflns_number_total             20288
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc04034a3.cif
_cod_data_source_block           23a
_cod_depositor_comments
'Adding full bibliography for 1572207--1572213.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1572207
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.937
_shelx_estimated_absorpt_t_max   0.957
_shelx_res_checksum              24073
_shelx_hkl_checksum              55238