Establishing the correlation between catalytic performance and N→Sb donor-acceptor interaction: systematic assessment of azastibocine halide derivatives as water tolerant Lewis acids.
Lei, Jian; Peng, Lingteng; Qiu, Renhua; Liu, Yongping; Chen, Yi; Au, Chak-Tong; Yin, Shuang-Feng; Dalton transactions (Cambridge, England : 2003) 48 (2019) 8478–8487; doi:10.1039/c9dt01100e

data_7701745
_publ_section_title
;
 Establishing the correlation between catalytic performance and
 N\\rightarrow Sb donor-acceptor interaction: systematic assessment of
 azastibocine halide derivatives as water tolerant Lewis acids.
;
_journal_issue                   23
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8478
_journal_page_last               8487
_journal_paper_doi               10.1039/c9dt01100e
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C18 H21 Br N Sb'
_chemical_formula_sum            'C18 H21 Br N Sb'
_chemical_formula_weight         453.02
_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
_atom_sites_solution_primary     dual
_audit_creation_date             2018-08-10
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2018-08-10 deposited with the CCDC.	2019-05-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 109.8950(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.8178(4)
_cell_length_b                   16.1278(5)
_cell_length_c                   11.4078(5)
_cell_measurement_reflns_used    4138
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      29.586
_cell_measurement_theta_min      2.950
_cell_volume                     1698.50(11)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_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      273.15
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0437
_diffrn_reflns_av_unetI/netI     0.0160
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            49645
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        24.989
_diffrn_reflns_theta_max         24.989
_diffrn_reflns_theta_min         2.542
_exptl_absorpt_coefficient_mu    3.970
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.5874
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1503 before and 0.0692 after correction.
The Ratio of minimum to maximum transmission is 0.7877.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.772
_exptl_crystal_description       block
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.379
_refine_diff_density_min         -0.410
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         2987
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0150
_refine_ls_R_factor_gt           0.0143
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0276P)^2^+0.5806P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0537
_refine_ls_wR_factor_ref         0.0541
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2892
_reflns_number_total             2987
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt01100e2.cif
_cod_data_source_block           9
_cod_database_code               7701745
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.669
_shelx_estimated_absorpt_t_min   0.626
_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:
 C14(H14A,H14B), C13(H13A,H13B)
2.b Aromatic/amide H refined with riding coordinates:
 C8(H8), C5(H5), C2(H2), C11(H11), C9(H9), C4(H4), C10(H10), C3(H3)
2.c Idealised Me refined as rotating group:
 C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C16(H16A,H16B,H16C)
;
_olex2_submission_special_instructions 'No special instructions were received'