A cyclopentadienyl functionalized silylene ‒ a flexible ligand for Si- and C-coordination
Kaufmann, Sebastian; Krätschmer, Frederic; Köppe, Ralf; Schon, Thorben; Schoo, Christoph; Roesky, Peter W.; Chemical Science 11 (2020) 12446–12452; doi:10.1039/D0SC04174B

data_1559720
_publ_section_title
;
 A cyclopentadienyl functionalized silylene -- a flexible ligand for Si-
 and C-coordination
;
_journal_issue                   46
_journal_name_full               'Chemical Science'
_journal_page_first              12446
_journal_page_last               12452
_journal_paper_doi               10.1039/D0SC04174B
_journal_volume                  11
_journal_year                    2020
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C36 H54 N2 Si Zn'
_chemical_formula_sum            'C36 H54 N2 Si Zn'
_chemical_formula_weight         608.27
_space_group_crystal_system      monoclinic
_space_group_IT_number           7
_space_group_name_Hall           'P -2yc'
_space_group_name_H-M_alt        'P 1 c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2020-03-24
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-07-29 deposited with the CCDC.	2020-10-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.139(4)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.5961(4)
_cell_length_b                   10.5095(3)
_cell_length_c                   19.1188(9)
_cell_measurement_reflns_used    21190
_cell_measurement_temperature    150
_cell_measurement_theta_max      29.57
_cell_measurement_theta_min      1.94
_cell_volume                     1705.28(12)
_computing_cell_refinement       'X-Area Recipe 1.33.0.0 (STOE, 2015)'
_computing_data_collection       'X-Area WinXpose 2.0.22.0 (STOE, 2016)'
_computing_data_reduction
;
X-Area Integrate 1.71.0.0 (STOE, 2016)
X-Area X-Red32 1.63.2.0 (STOE, 2017)
;
_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      150
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            'STOE Imaging Plate'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '2-circle diffractometer'
_diffrn_measurement_device_type  'STOE IPDS II'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_collimation    '0.5 mm diameter, multiple pinhole'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0319
_diffrn_reflns_av_unetI/netI     0.0336
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            21928
_diffrn_reflns_point_group_measured_fraction_full 0.959
_diffrn_reflns_point_group_measured_fraction_max 0.956
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.038
_diffrn_reflns_theta_min         1.938
_diffrn_source
'sealed X-ray tube, 12 x 0.4 mm long-fine focus'
_diffrn_source_current           0.000
_diffrn_source_power             0.000
_diffrn_source_voltage           0
_exptl_absorpt_coefficient_mu    0.781
_exptl_absorpt_correction_T_max  0.9121
_exptl_absorpt_correction_T_min  0.6871
_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
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.185
_exptl_crystal_description       irregular
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.525
_exptl_crystal_size_mid          0.353
_exptl_crystal_size_min          0.117
_refine_diff_density_max         0.206
_refine_diff_density_min         -0.211
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details
;
 Flack x determined using 2463 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.015(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.986
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     386
_refine_ls_number_reflns         6435
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.986
_refine_ls_R_factor_all          0.0345
_refine_ls_R_factor_gt           0.0293
_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^)+(0.0453P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0659
_refine_ls_wR_factor_ref         0.0671
_reflns_Friedel_coverage         0.909
_reflns_Friedel_fraction_full    0.919
_reflns_Friedel_fraction_max     0.912
_reflns_number_gt                5781
_reflns_number_total             6435
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0sc04174b2.cif
_cod_data_source_block           skpfkb17
_cod_database_code               1559720
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.914
_shelx_estimated_absorpt_t_min   0.685
_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 C(H,H,H,H,H,H) groups
2. Others
 Fixed Sof: C16A(0.55) H16A(0.55) C16B(0.45) H16B(0.45) H17D(0.45) H17E(0.45)
 H17F(0.45) H17A(0.55) H17B(0.55) H17C(0.55) H18D(0.45) H18E(0.45) H18F(0.45)
 H18A(0.55) H18B(0.55) H18C(0.55)
3.a Ternary CH refined with riding coordinates:
 C16A(H16A), C16B(H16B)
3.b Aromatic/amide H refined with riding coordinates:
 C24(H24), C25(H25), C26(H26), C27(H27), C28(H28)
3.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C6(H6A,H6B,H6C), C7(H7A,H7B,H7C), C9(H9A,H9B,H9C), C15(H15A,
 H15B,H15C), C17(H17D,H17E,H17F), C17(H17A,H17B,H17C), C18(H18D,H18E,H18F),
 C18(H18A,H18B,H18C), C19(H19A,H19B,H19C), C20(H20A,H20B,H20C), C21(H21A,H21B,
 H21C), C30(H30A,H30B,H30C), C31(H31A,H31B,H31C), C32(H32A,H32B,H32C), C34(H34A,
 H34B,H34C), C35(H35A,H35B,H35C), C36(H36A,H36B,H36C)
;
_shelx_res_checksum              42951
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems'
_olex2_submission_special_instructions 'No special instructions were received'