A binuclear guanidinate yttrium carbyne complex: unique reactivity toward unsaturated C-N, C-O and C-S bonds.
Jiang, Wen; Kong, Feng; Del Rosal, Iker; Li, Meng; Wang, Kai; Maron, Laurent; Zhang, Lixin; Chemical science 14 (2023) 9154–9160; doi:10.1039/d3sc03483f

data_1569609
_publ_section_title
;
 A binuclear guanidinate yttrium carbyne complex: unique reactivity toward
 unsaturated C-N, C-O and C-S bonds.
;
_journal_issue                   34
_journal_name_full               'Chemical science'
_journal_page_first              9154
_journal_page_last               9160
_journal_paper_doi               10.1039/d3sc03483f
_journal_volume                  14
_journal_year                    2023
_chemical_formula_moiety         'C42 H57 Al N3 O Y'
_chemical_formula_sum            'C42 H57 Al N3 O Y'
_chemical_formula_weight         735.79
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_audit_creation_date             2022-08-03
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2022-08-11 deposited with the CCDC.	2023-08-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.661(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   35.057(6)
_cell_length_b                   11.675(2)
_cell_length_c                   20.542(4)
_cell_measurement_reflns_used    4422
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      23.00
_cell_measurement_theta_min      2.50
_cell_volume                     8288(3)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_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    'olex2.solve (Bourhis et al., 2015)'
_diffrn_ambient_temperature      273.15
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0433
_diffrn_reflns_av_unetI/netI     0.0671
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.958
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -45
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            23273
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.958
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.380
_diffrn_reflns_theta_min         1.841
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.461
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.4386
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.179
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3120
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.786
_refine_diff_density_min         -0.477
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.988
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     452
_refine_ls_number_reflns         9016
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      0.988
_refine_ls_R_factor_all          0.1002
_refine_ls_R_factor_gt           0.0561
_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^)+(0.1019P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1468
_refine_ls_wR_factor_ref         0.1702
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5583
_reflns_number_total             9016
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc03483f2.cif
_cod_data_source_block           a61104a
_cod_depositor_comments
'Adding full bibliography for 1569608--1569615.cif.'
_cod_original_cell_volume        8289(2)
_cod_database_code               1569609
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All H(H) groups, All C(H,H,H) groups, All C(H,H,H,H) groups
2. Restrained distances
 C40-H40B = C40-H40A = C40-H40C
 0.96 with sigma of 0.01
 H40B-H40A = H40A-H40C = H40C-H40B
 1.57 with sigma of 0.02
 C41-H41A = C41-H41B = C41-H41C
 0.96 with sigma of 0.01
 H41A-H41B = H41B-H41C = H41C-H41A
 1.57 with sigma of 0.02
3.a Ternary CH refined with riding coordinates:
 C8(H8), C11(H11), C20(H20), C23(H23)
3.b Secondary CH2 refined with riding coordinates:
 C26(H26A,H26B), C33(H33A,H33B)
3.c Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C6(H6), C16(H16), C17(H17), C18(H18), C28(H28), C29(H29),
 C30(H30), C31(H31), C32(H32), C35(H35), C36(H36), C37(H37), C38(H38), C39(H39)
3.d Fitted hexagon refined as free rotating group:
 C34(C35,C36,C37,C38,C39)
3.e Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C12(H12A,H12B,H12C), C13(H13A,H13B,
 H13C), C21(H21A,H21B,H21C), C22(H22A,H22B,H22C), C24(H24A,H24B,H24C), C25(H25A,
 H25B,H25C), C42(H42A,H42B,H42C)
;
_olex2_submission_special_instructions 'No special instructions were received'