Expanded ring 1,3,5-oxadiazinan-4-ylidene complexes: synthesis and catalysis
Isaeva, Dilshodakhon K.; Topchiy, Maxim A.; Drokin, Egor A.; Rasskazova, Mariya A.; Minaeva, Lidiya I.; Smol’yakov, Alexander F.; Asachenko, Andrey F.; New Journal of Chemistry 49 (2025) 20073–20080; doi:10.1039/D5NJ03879K

data_7064076
_publ_section_title
;
 Expanded ring 1,3,5-oxadiazinan-4-ylidene complexes: synthesis and
 catalysis
;
_journal_issue                   46
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              20073
_journal_page_last               20080
_journal_paper_doi               10.1039/D5NJ03879K
_journal_volume                  49
_journal_year                    2025
_chemical_formula_moiety         'C21 H26 Au Cl N2 O, 0.5(C H2 Cl2)'
_chemical_formula_sum            'C21.5 H27 Au Cl2 N2 O'
_chemical_formula_weight         597.32
_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   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2025-06-18
_audit_creation_method
;
Olex2 1.5
(compiled 2025.05.31 svn.r86d253d1 for OlexSys, GUI svn.r7254)
;
_audit_update_record
;
2025-06-18 deposited with the CCDC.	2025-10-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.224(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   8.8890(4)
_cell_length_b                   16.3118(6)
_cell_length_c                   30.9535(11)
_cell_measurement_reflns_used    9869
_cell_measurement_temperature    120
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.34
_cell_volume                     4488.1(3)
_computing_cell_refinement       'SAINT V8.30A (22 Oct 2012)'
_computing_data_reduction        'SAINT V8.30A (22 Oct 2012)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      120
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0329
_diffrn_reflns_av_unetI/netI     0.0352
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            51673
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.516
_diffrn_reflns_theta_min         1.316
_diffrn_source                   'sealed tube'
_diffrn_source_current           30.0
_diffrn_source_power             1.5
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.808
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6286
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1240 before and 0.0418 after correction.
The Ratio of minimum to maximum transmission is 0.6286.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.768
_exptl_crystal_description       prism
_exptl_crystal_F_000             2328
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.562
_refine_diff_density_min         -0.911
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     516
_refine_ls_number_reflns         10305
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0311
_refine_ls_R_factor_gt           0.0225
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0174P)^2^+3.2338P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0452
_refine_ls_wR_factor_ref         0.0463
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8652
_reflns_number_total             10305
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5nj03879k2.cif
_cod_data_source_block           a
_cod_depositor_comments
'Adding full bibliography for 7064076--7064082.cif.'
_cod_original_formula_sum        'C21.50 H27 Au Cl2 N2 O'
_cod_database_code               7064076
_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 C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C20A(H20C,H20D), C21A(H21C,H21D), C20B(H20A,H20B), C01D(H01A,H01B)
2.b Aromatic/amide H refined with riding coordinates:
 C3A(H3A), C5A(H5A), C13A(H13A), C15A(H15A), C3B(H3B), C5B(H5B), C13B(H13B),
 C15B(H15B)
2.c Idealised Me refined as rotating group:
 C7A(H7AB,H7AA,H7AC), C8A(H8AA,H8AB,H8AC), C9A(H9AA,H9AB,H9AC), C17A(H17D,H17E,
 H17F), C18A(H18D,H18E,H18F), C19A(H19D,H19E,H19F), C7B(H7BA,H7BB,H7BC),
 C8B(H8BA,H8BB,H8BC), C9B(H9BA,H9BB,H9BC), C17B(H17A,H17B,H17C), C18B(H18A,H18B,
 H18C), C19B(H19A,H19B,H19C)
;
_shelx_res_checksum              76797
_olex2_submission_special_instructions 'No special instructions were received'