Reactivity of an N-heterocyclic silylene with a 1,1'-ferrocenediyl backbone towards carbonyl compounds, including carbon suboxide.
Weyer, Nadine; Heinz, Myron; Bruhn, Clemens; Holthausen, Max C.; Siemeling, Ulrich; Chemical communications (Cambridge, England) 57 (2021) 9378–9381; doi:10.1039/d1cc03947d

data_7128842
_publ_section_title
;
 Reactivity of an N-heterocyclic silylene with a 1,1'-ferrocenediyl
 backbone towards carbonyl compounds, including carbon suboxide.
;
_journal_issue                   74
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              9378
_journal_page_last               9381
_journal_paper_doi               10.1039/d1cc03947d
_journal_volume                  57
_journal_year                    2021
_chemical_formula_moiety         'C94 H100 Fe2 N4 O2 Si2, 2(C6 H6)'
_chemical_formula_sum            'C106 H112 Fe2 N4 O2 Si2'
_chemical_formula_weight         1641.87
_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     dual
_audit_creation_date             2021-03-04
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-03-26 deposited with the CCDC.	2021-08-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 114.070(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   22.7412(9)
_cell_length_b                   10.0006(3)
_cell_length_c                   23.1761(10)
_cell_measurement_reflns_used    15085
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      70.98
_cell_measurement_theta_min      2.13
_cell_volume                     4812.5(3)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 Pilatus200K
_diffrn_detector_area_resol_mean 5.81
_diffrn_detector_type            'DECTRIS PILATUS 200K'
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.951
_diffrn_measurement_details
;
 789 frames, detector distance = 40 mm
;
_diffrn_measurement_device       'Eulerian 4-circle diffractometer'
_diffrn_measurement_device_type  'STOE STADIVARI'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_collimation    '1.2 mm, 0.6 diameter'
_diffrn_radiation_monochromator  'Graded multilayer mirror'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54186
_diffrn_reflns_av_R_equivalents  0.0403
_diffrn_reflns_av_unetI/netI     0.0566
_diffrn_reflns_Laue_measured_fraction_full 0.977
_diffrn_reflns_Laue_measured_fraction_max 0.951
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            18069
_diffrn_reflns_point_group_measured_fraction_full 0.977
_diffrn_reflns_point_group_measured_fraction_max 0.951
_diffrn_reflns_theta_full        67.686
_diffrn_reflns_theta_max         70.976
_diffrn_reflns_theta_min         2.128
_diffrn_source                   Cu-Genix
_diffrn_source_current           0.600
_diffrn_source_power             0.030
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    3.027
_exptl_absorpt_correction_T_max  0.8974
_exptl_absorpt_correction_T_min  0.2962
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
STOE X-Red32, absorption correction by Gaussian integration, analogous to
P. Coppens, "The Evaluation of Absorption and Extinction in Single-Crystal
Structure Analysis", published in: F. R. Ahmed (Editor), "Crystallographic
Computing", Munksgaard, Copenhagen (1970), 255 - 270.
Afterwards scaling of reflection intensities was performed within STOE LANA.
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            brown
_exptl_crystal_colour_primary    brown
_exptl_crystal_density_diffrn    1.133
_exptl_crystal_description       plate
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.053
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.486
_refine_diff_density_min         -0.332
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     532
_refine_ls_number_reflns         8840
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0835
_refine_ls_R_factor_gt           0.0549
_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^)+(0.0597P)^2^+6.6893P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1255
_refine_ls_wR_factor_ref         0.1391
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6515
_reflns_number_total             8840
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc03947d2.cif
_cod_data_source_block           sv0844
_cod_depositor_comments
'Adding full bibliography for 7128840--7128846.cif.'
_cod_database_code               7128842
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.942
_shelx_estimated_absorpt_t_min   0.772
_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, All O(H) groups
2.a Ternary CH refined with riding coordinates:
 C17(H17), C20(H20), C29(H29), C32(H32)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C7(H7), C8(H8), C9(H9), C10(H10), C13(H13),
 C14(H14), C15(H15), C25(H25), C26(H26), C27(H27), C37(H37), C38(H38), C40(H40),
  C43(H43), C44(H44), C45(H45), C46(H46), C48(H48), C49(H49), C50(H50),
 C51(H51), C52(H52), C53(H53)
2.c Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C), C19(H19A,H19B,H19C), C21(H21A,H21B,H21C), C22(H22A,H22B,
 H22C), C30(H30A,H30B,H30C), C31(H31A,H31B,H31C), C33(H33A,H33B,H33C), C34(H34A,
 H34B,H34C)
2.d Idealised tetrahedral OH refined as rotating group:
 O1(H1)
;
_shelx_res_checksum              90266
_shelx_fab_checksum              15319
_olex2_submission_special_instructions 'No special instructions were received'