Janus-faced coordination chemistry of pyridyl-functionalized phosphinines with Cu(I) and Au(I)
Kopp, Richard Otto; Coles, Nathan; Ernst, Moritz J.; Weber, Manuela; Ward, Benjamin D.; Muller, Christian; Dalton Transactions  (2026) –; doi:10.1039/D6DT00083E

data_7720594
_publ_section_title
;
 Janus-faced coordination chemistry of pyridyl-functionalized phosphinines
 with Cu(I) and Au(I).
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5908
_journal_page_last               5919
_journal_paper_doi               10.1039/d6dt00083e
_journal_volume                  55
_journal_year                    2026
_chemical_formula_moiety         'C21 H27 N2 P Si2'
_chemical_formula_sum            'C21 H27 N2 P Si2'
_chemical_formula_weight         394.59
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2025-09-17
_audit_creation_method
;
Olex2 1.5
(compiled 2023.03.06 svn.rbb2c1857 for OlexSys, GUI svn.r6748)
;
_audit_update_record
;
2025-11-14 deposited with the CCDC.	2026-03-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.1930(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.6561(3)
_cell_length_b                   11.9401(4)
_cell_length_c                   9.8357(3)
_cell_measurement_reflns_used    9927
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.753
_cell_measurement_theta_min      2.667
_cell_volume                     1104.08(6)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_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  0.0525
_diffrn_reflns_av_unetI/netI     0.0408
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            36361
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.557
_diffrn_reflns_theta_min         2.127
_exptl_absorpt_coefficient_mu    0.240
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6851
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1065 before and 0.0616 after correction. The Ratio of minimum to maximum transmission is 0.9182. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.187
_exptl_crystal_description       Plate
_exptl_crystal_F_000             420
_exptl_crystal_size_max          0.214
_exptl_crystal_size_mid          0.115
_exptl_crystal_size_min          0.033
_refine_diff_density_max         0.243
_refine_diff_density_min         -0.301
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details
;
 Flack x determined using 2524 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     241
_refine_ls_number_reflns         6709
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0468
_refine_ls_R_factor_gt           0.0320
_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^)+(0.0264P)^2^+0.2783P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0652
_refine_ls_wR_factor_ref         0.0739
_reflns_Friedel_coverage         0.905
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.987
_reflns_number_gt                5890
_reflns_number_total             6709
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d6dt00083e3.cif
_cod_data_source_block           rk13_1
_cod_depositor_comments
'Adding full bibliography for 7720594--7720605.cif.'
_cod_original_cell_volume        1104.07(6)
_cod_database_code               7720594
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.992
_shelx_estimated_absorpt_t_min   0.950
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C3(H3), C7(H7), C8(H8), C9(H9), C10(H10), C12(H12), C13(H13), C14(H14),
 C15(H15)
2.b Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C19(H19A,H19B,
 H19C), C20(H20A,H20B,H20C), C21(H21A,H21B,H21C)
;
_shelx_res_checksum              40350
_olex2_submission_special_instructions 'No special instructions were received'