On-demand switching from mono-silylene to bis-silylene to access mono-, di- and mixed coinage metal complexes.
Sun, Xiaofei; Jin, Da; Yadav, Ravi; Kraetschmer, Frederic; Köppe, Ralf; Roesky, Peter W.; Chemical science 16 (2025) 16057–16062; doi:10.1039/d5sc04287a

data_1575462
_publ_section_title
;
 On-demand switching from mono-silylene to bis-silylene to access mono-,
 di- and mixed coinage metal complexes.
;
_journal_issue                   35
_journal_name_full               'Chemical science'
_journal_page_first              16057
_journal_page_last               16062
_journal_paper_doi               10.1039/d5sc04287a
_journal_volume                  16
_journal_year                    2025
_chemical_formula_moiety         'C60 H85 Ag Au N5 Si2, 4(C6 D6)'
_chemical_formula_sum            'C84 H85 Ag Au D24 N5 Si2'
_chemical_formula_weight         1573.92
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2024-10-20
_audit_creation_method
;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-10-24 deposited with the CCDC.	2025-07-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 112.95(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   23.348(6)
_cell_length_b                   13.839(4)
_cell_length_c                   25.682(9)
_cell_measurement_reflns_used    19092
_cell_measurement_temperature    110
_cell_measurement_theta_max      29.27
_cell_measurement_theta_min      1.72
_cell_volume                     7641(4)
_computing_cell_refinement
;
X-Area Recipe 1.33.0.0 (STOE, 2015)
;
_computing_data_collection
;
X-Area Pilatus3_SV 1.31.150.0 (STOE, 2018)
;
_computing_data_reduction
;
X-Area Integrate 1.73.1.0 (STOE, 2018)
X-Area LANA 1.73.2.0 (STOE, 2018)
;
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material
;
STOE & Cie GmbH, X-Area, software package for collecting single-crystal or
multi-domain crystal data on STOE area-detector diffractometers, for image 
processing, for the correction and scaling of reflection intensities and 
for outlier rejection, version 1.84, Darmstadt 2018
;
_computing_structure_refinement  'SHELXL 2019/2 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT  (Sheldrick, 2015)'
_diffrn_ambient_temperature      110
_diffrn_detector                 Pilatus200K
_diffrn_detector_area_resol_mean 5.81
_diffrn_detector_type            'DECTRIS PILATUS 200K'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_details
;
 473 frames, detector distance = 60 mm
;
_diffrn_measurement_device       'Eulerian 4-circle diffractometer'
_diffrn_measurement_device_type  'STOE STADIVARI'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_collimation    '0.5 mm diameter, monocapillary'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0454
_diffrn_reflns_av_unetI/netI     0.0610
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            21686
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.998
_diffrn_reflns_theta_min         1.722
_diffrn_source                   'Mo Genix 3D HF'
_diffrn_source_current           1.000
_diffrn_source_power             0.050
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    2.252
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4016
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
STOE LANA, absorption correction by scaling of reflection intensities.
J. Koziskova, F. Hahn, J. Richter, J. Kozisek, "Comparison of different
absorption corrections on the model structure of tetrakis(\m~2~-acetato)-
diaqua-di-copper(II)", Acta Chimica Slovaca, vol. 9, no. 2, 2016, pp. 136 - 140.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.368
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3208
_exptl_crystal_size_max          0.143
_exptl_crystal_size_mid          0.119
_exptl_crystal_size_min          0.106
_refine_diff_density_max         1.278
_refine_diff_density_min         -0.714
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     475
_refine_ls_number_reflns         7489
_refine_ls_number_restraints     106
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0766
_refine_ls_R_factor_gt           0.0436
_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^)+(0.0494P)^2^+15.3905P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0898
_refine_ls_wR_factor_ref         0.1027
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5399
_reflns_number_total             7489
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5sc04287a2.cif
_cod_data_source_block           xf519a
_cod_depositor_comments
'Adding full bibliography for 1575461--1575467.cif.'
_cod_database_code               1575462
__shelx_shelxl_version_number    2019/2
_audit_contact_author
;
      Prof. Dr. Peter W. Roesky
      Karlsruher Institut fuer Technologie (KIT), CS
      Institut fuer Anorganische Chemie (AOC)
      Lehrstuhl fuer Anorganische Funktionsmaterialien
      Engesserstr. 15, Geb. 30.45
      76131 Karlsruhe 
      Bundesrepublik Deutschland
;
_audit_contact_letter
;
;
_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. Restrained distances
 N2-C44 \\sim N2-C27
 with sigma of 0.02
 C44-C28A \\sim C27-C29
 with sigma of 0.02
 C44-C29A \\sim C27-C30
 with sigma of 0.02
 C44-C27A \\sim C27-C28
 with sigma of 0.02
 C28A-C29A \\sim C29-C30
 with sigma of 0.04
 C28A-C27A \\sim C29-C28
 with sigma of 0.04
 C29A-C27A \\sim C30-C28
 with sigma of 0.04
 N2-C28A \\sim N2-C29
 with sigma of 0.04
 N2-C29A \\sim N2-C30
 with sigma of 0.04
 N2-C27A \\sim N2-C28
 with sigma of 0.04
3. Uiso/Uaniso restraints and constraints
C27 \\sim C27A \\sim C28 \\sim C28A \\sim C29 \\sim C29A \\sim C30 \\sim C44:
within 2A with sigma of 0.01 and sigma for terminal atoms of 0.02 within 2A
Uanis(Ag) = Uanis(Au)
4. Others
 Sof(C27)=Sof(C28)=Sof(H28A)=Sof(H28B)=Sof(H28C)=Sof(C29)=Sof(H29A)=Sof(H29B)=
 Sof(H29C)=Sof(C30)=Sof(H30A)=Sof(H30B)=Sof(H30C)=1-FVAR(1)
 Sof(C27A)=Sof(H27A)=Sof(H27B)=Sof(H27C)=Sof(C28A)=Sof(H28D)=Sof(H28E)=
 Sof(H28F)=Sof(C29A)=Sof(H29D)=Sof(H29E)=Sof(H29F)=Sof(C44)=FVAR(1)
 Fixed Sof: Ag(0.5) Au(0.5)
5.a Ternary CH refined with riding coordinates:
 C14(H14)
5.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C5(H5), C12(H12), C13(H13), C22(H22), C23(H23), C24(H24), C25(H25),
 C26(H26), C31(D31), C32(D32), C33(D33), C34(D34), C35(D35), C36(D36), C37(D37),
  C38(D38), C39(D39), C40(D40), C41(D41), C42(D42)
5.c Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C), C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C15(H15A,H15B,H15C),
 C16(H16A,H16B,H16C), C18(H18A,H18B,H18C), C19(H19A,H19B,H19C), C20(H20A,H20B,
 H20C), C27A(H27A,H27B,H27C), C28(H28A,H28B,H28C), C28A(H28D,H28E,H28F),
 C29(H29A,H29B,H29C), C29A(H29D,H29E,H29F), C30(H30A,H30B,H30C)
;
_shelx_res_checksum              5796
_olex2_submission_special_instructions 'No special instructions were received'