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_7128840
_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         'C47 H50 Fe N2 O Si, C6 H6'
_chemical_formula_sum            'C53 H56 Fe N2 O Si'
_chemical_formula_weight         820.93
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_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                 105.878(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.6006(11)
_cell_length_b                   9.5335(4)
_cell_length_c                   25.8773(17)
_cell_measurement_reflns_used    8796
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.85
_cell_measurement_theta_min      1.26
_cell_volume                     4176.4(4)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            'STOE Imaging Plate'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_details
;
 142 frames, detector distance = 120 mm
;
_diffrn_measurement_device       '2-circle diffractometer'
_diffrn_measurement_device_type  'STOE IPDS II'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0931
_diffrn_reflns_av_unetI/netI     0.1294
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            18192
_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         25.996
_diffrn_reflns_theta_min         1.256
_exptl_absorpt_coefficient_mu    0.433
_exptl_absorpt_correction_T_max  0.9955
_exptl_absorpt_correction_T_min  0.7087
_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 et al., Acta Chimica Slovaca, vol. 9, no. 2, 2016, 
pp. 136 - 140.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_description       needle
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.450
_refine_diff_density_min         -0.450
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     531
_refine_ls_number_reflns         8185
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.1741
_refine_ls_R_factor_gt           0.0851
_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^)+(0.0248P)^2^+20.3279P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1469
_refine_ls_wR_factor_ref         0.1943
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4426
_reflns_number_total             8185
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc03947d2.cif
_cod_data_source_block           i2931
_cod_depositor_comments
'Adding full bibliography for 7128840--7128846.cif.'
_cod_database_code               7128840
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.996
_shelx_estimated_absorpt_t_min   0.885
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C30(H30), C33(H33), C42(H42), C45(H45)
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), C16(H16), C19(H19), C20(H20), C21(H21), C22(H22), C26(H26),
  C27(H27), C28(H28), C38(H38), C39(H39), C40(H40), C48(H48), C49(H49),
 C50(H50), C51(H51), C52(H52), C53(H53)
2.c Idealised Me refined as rotating group:
 C31(H31A,H31B,H31C), C32(H32A,H32B,H32C), C34(H34A,H34B,H34C), C35(H35A,H35B,
 H35C), C43(H43A,H43B,H43C), C44(H44A,H44B,H44C), C46(H46A,H46B,H46C), C47(H47A,
 H47B,H47C)
;
_shelx_res_checksum              63089
_olex2_submission_special_instructions 'No special instructions were received'