Persilylation of Ferrocene: The Ultimate Discipline in Sterically Overcrowded Metal Complexes
Rupf, Susanne M.; Sievers, Robin; Riemann, Paulin S.; Reimann, Marc; Kaupp, Martin; Fasting, Dr. Carlo; Malischewski, Moritz; Dalton Transactions  (2023) –; doi:10.1039/D3DT01133J

data_7712842
_publ_section_title
;
 Persilylation of Ferrocene: The Ultimate Discipline in Sterically
 Overcrowded Metal Complexes
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D3DT01133J
_journal_year                    2023
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C28 H62 Fe Si8'
_chemical_formula_sum            'C28 H62 Fe Si8'
_chemical_formula_weight         679.34
_space_group_crystal_system      orthorhombic
_space_group_IT_number           18
_space_group_name_Hall           'P 2 2ab'
_space_group_name_H-M_alt        'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2023-03-06
_audit_creation_method
;
Olex2 1.3
(compiled Nov 21 2019 18:26:39 for OlexSys, GUI svn.r6003)
;
_audit_update_record
;
2023-03-12 deposited with the CCDC.	2023-04-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   17.4074(6)
_cell_length_b                   35.0636(12)
_cell_length_c                   12.7379(4)
_cell_measurement_reflns_used    9815
_cell_measurement_temperature    102.0
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      2.60
_cell_volume                     7774.8(4)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      102.0
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_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  0.0397
_diffrn_reflns_av_unetI/netI     0.0245
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       46
_diffrn_reflns_limit_k_min       -46
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            168102
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.332
_diffrn_reflns_theta_min         1.976
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.651
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6917
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1195 before and 0.0612 after correction.
The Ratio of minimum to maximum transmission is 0.9276.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            pink
_exptl_crystal_colour_primary    pink
_exptl_crystal_density_diffrn    1.161
_exptl_crystal_description       block
_exptl_crystal_F_000             2944
_exptl_crystal_size_max          0.53
_exptl_crystal_size_mid          0.37
_exptl_crystal_size_min          0.29
_refine_diff_density_max         1.433
_refine_diff_density_min         -0.697
_refine_diff_density_rms         0.090
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.024(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     731
_refine_ls_number_reflns         19338
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0459
_refine_ls_R_factor_gt           0.0440
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0688P)^2^+10.5213P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1201
_refine_ls_wR_factor_ref         0.1214
_reflns_Friedel_coverage         0.835
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                18597
_reflns_number_total             19338
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt01133j2.cif
_cod_data_source_block           p21212
_cod_database_code               7712842
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.834
_shelx_estimated_absorpt_t_min   0.724
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.976(14)
 0.024(14)
2. Fixed Uiso
 At 1.2 times of:
  All Si(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
3. Uiso/Uaniso restraints and constraints
Uanis(C54) = Uanis(C59) = Uanis(C26)
4. Others
 Fixed Sof: Si17(0.53) H17(0.53) Si16(0.47) H16(0.47) C54(0.53) H54A(0.53)
 H54B(0.53) H54C(0.53) C57(0.5) H57A(0.5) H57B(0.5) H57C(0.5) C58(0.5)
 H58A(0.5) H58B(0.5) H58C(0.5) C55(0.5) H55A(0.5) H55B(0.5) H55C(0.5) C56(0.5)
 H56A(0.5) H56B(0.5) H56C(0.5) C59(0.47) H59A(0.47) H59B(0.47) H59C(0.47)
5.a Ternary CH refined with riding coordinates:
 Si1(H1), Si2(H2), Si3(H3), Si4(H4), Si5(H5), Si6(H6), Si7(H7), Si8(H8),
 Si9(H9), Si10(H10), Si11(H11), Si12(H12), Si13(H13), Si14(H14), Si15(H15),
 Si17(H17), Si16(H16)
5.b Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C23(H23A,H23B,
 H23C), C24(H24A,H24B,H24C), C25(H25A,H25B,H25C), C26(H26A,H26B,H26C), C27(H27A,
 H27B,H27C), C28(H28A,H28B,H28C), C30(H30A,H30B,H30C), C31(H31A,H31B,H31C),
 C32(H32A,H32B,H32C), C33(H33A,H33B,H33C), C34(H34A,H34B,H34C), C35(H35A,H35B,
 H35C), C36(H36A,H36B,H36C), C37(H37A,H37B,H37C), C38(H38A,H38B,H38C), C39(H39A,
 H39B,H39C), C40(H40A,H40B,H40C), C41(H41A,H41B,H41C), C42(H42A,H42B,H42C),
 C43(H43A,H43B,H43C), C44(H44A,H44B,H44C), C45(H45A,H45B,H45C), C46(H46A,H46B,
 H46C), C47(H47A,H47B,H47C), C48(H48A,H48B,H48C), C49(H49A,H49B,H49C), C50(H50A,
 H50B,H50C), C51(H51A,H51B,H51C), C52(H52A,H52B,H52C), C53(H53A,H53B,H53C),
 C54(H54A,H54B,H54C), C57(H57A,H57B,H57C), C58(H58A,H58B,H58C), C55(H55A,H55B,
 H55C), C56(H56A,H56B,H56C), C59(H59A,H59B,H59C)
;
_shelx_res_checksum              7503
_olex2_submission_special_instructions 'No special instructions were received'