Trivalent Rare-Earth Metal Cyclic (Alkyl)(Amino)Carbene Complexes
Xiao, Yuyuan; Liu, Ziyu; Liang, Jiefeng; Yang, Kexin; Huang, Wenliang; Dalton Transactions  (2022) –; doi:10.1039/D2DT02759C

data_7711322
_publ_section_title
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 Trivalent Rare-Earth Metal Cyclic (Alkyl)(Amino)Carbene Complexes
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D2DT02759C
_journal_year                    2022
_chemical_formula_moiety         'C32 H64 N Si3 Y'
_chemical_formula_sum            'C32 H64 N Si3 Y'
_chemical_formula_weight         636.02
_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             2022-06-30
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2022-07-01 deposited with the CCDC.	2022-09-23 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.936(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.0739(3)
_cell_length_b                   19.8627(9)
_cell_length_c                   19.5832(7)
_cell_measurement_reflns_used    5048
_cell_measurement_temperature    180.00(10)
_cell_measurement_theta_max      28.8350
_cell_measurement_theta_min      2.1630
_cell_volume                     3904.0(3)
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      180.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB AFC12 (RINC): Kappa single'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0793
_diffrn_reflns_av_unetI/netI     0.1304
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            28254
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.483
_diffrn_reflns_theta_min         2.274
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    1.604
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.68214
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.29a (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.082
_exptl_crystal_description       block
_exptl_crystal_F_000             1376
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.758
_refine_diff_density_min         -0.574
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     360
_refine_ls_number_reflns         8932
_refine_ls_number_restraints     16
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.1427
_refine_ls_R_factor_gt           0.0680
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0607P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1253
_refine_ls_wR_factor_ref         0.1453
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5119
_reflns_number_total             8932
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt02759c2.cif
_cod_data_source_block           3_CCDC2
_cod_database_code               7711322
_shelx_shelxl_version_number     2014/7
_olex2_refinement_description
;
1. Restrained distances
 Si3-C31A = Si3-C31B = Si3-C32A = Si3-C32B
 1.88 with sigma of 0.02
2. Uiso/Uaniso restraints and constraints
Uanis(C31A) \\sim Ueq, Uanis(C32A) \\sim Ueq: with sigma of 0.02 and sigma for
terminal atoms of 0.04
Uanis(C31A) = Uanis(C31B)
Uanis(C32A) = Uanis(C32B)
3. Others
 Sof(C31B)=Sof(H31D)=Sof(H31E)=Sof(H31F)=Sof(C32B)=Sof(H32D)=Sof(H32E)=
 Sof(H32F)=1-FVAR(1)
 Sof(C31A)=Sof(H31A)=Sof(H31B)=Sof(H31C)=Sof(C32A)=Sof(H32A)=Sof(H32B)=
 Sof(H32C)=FVAR(1)
4.a Ternary CH refined with riding coordinates:
 C15(H15), C18(H18)
4.b Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C21(H21A,H21B), C25(H25A,H25B), C29(H29A,H29B)
4.c Aromatic/amide H refined with riding coordinates:
 C11(H11), C12(H12), C13(H13)
4.d Idealised Me refined as rotating group:
 C5(H5A,H5B,H5C), C6(H6A,H6B,H6C), C7(H7A,H7B,H7C), C8(H8A,H8B,H8C), C16(H16A,
 H16B,H16C), C17(H17A,H17B,H17C), C19(H19A,H19B,H19C), C20(H20A,H20B,H20C),
 C22(H22A,H22B,H22C), C23(H23A,H23B,H23C), C24(H24A,H24B,H24C), C26(H26A,H26B,
 H26C), C27(H27A,H27B,H27C), C28(H28A,H28B,H28C), C30(H30A,H30B,H30C),
 C31A(H31A,H31B,H31C), C31B(H31D,H31E,H31F), C32A(H32A,H32B,H32C), C32B(H32D,
 H32E,H32F)
;
_shelx_res_checksum              60684
_shelx_hkl_checksum              53656
_olex2_submission_special_instructions 'No special instructions were received'