Dispersion-induced cooperative hydrogen atom transfer for radical iodoalkylation.
Zhu, Shaoqun; Jia, Lizi; Cheng, Qi; Han, Ying; Sun, Qiu; Yu, Huaguang; Chen, Xiaoyun; Hou, Hong; Chemical communications (Cambridge, England) 60 (2024) 10772–10775; doi:10.1039/d4cc03908d

data_7133616
_publ_section_title
;
 Dispersion-induced cooperative hydrogen atom transfer for radical
 iodoalkylation.
;
_journal_issue                   77
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              10772
_journal_page_last               10775
_journal_paper_doi               10.1039/d4cc03908d
_journal_volume                  60
_journal_year                    2024
_chemical_formula_moiety         'C16 H16 Cl I O4'
_chemical_formula_sum            'C16 H16 Cl I O4'
_chemical_formula_weight         434.64
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_block_doi                 10.5517/ccdc.csd.cc2d42zm
_audit_creation_date             2022-09-21
_audit_creation_method
;
Olex2 1.5
(compiled 2021.08.20 svn.r13c46975 for OlexSys, GUI svn.r6439)
;
_audit_update_record
;
2023-05-23 deposited with the CCDC.	2024-08-28 downloaded from the CCDC.
;
_cell_angle_alpha                93.878(2)
_cell_angle_beta                 97.956(2)
_cell_angle_gamma                110.091(4)
_cell_formula_units_Z            2
_cell_length_a                   8.2223(3)
_cell_length_b                   10.3432(5)
_cell_length_c                   11.0230(6)
_cell_measurement_reflns_used    7700
_cell_measurement_temperature    273.15
_cell_measurement_theta_max      27.251
_cell_measurement_theta_min      2.649
_cell_volume                     865.22(7)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'olex2.solve 1.5 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      273.15
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.995
_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  0.0333
_diffrn_reflns_av_unetI/netI     0.0319
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13379
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.515
_diffrn_reflns_theta_min         2.113
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.018
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.5047
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1062 before and 0.0472 after correction.
The Ratio of minimum to maximum transmission is 0.6770.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.668
_exptl_crystal_F_000             428
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.675
_refine_diff_density_min         -0.704
_refine_diff_density_rms         0.074
_refine_ls_extinction_coef       0.021(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         3955
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0524
_refine_ls_R_factor_gt           0.0373
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0444P)^2^+0.8034P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0898
_refine_ls_wR_factor_ref         0.0982
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3133
_reflns_number_total             3955
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc03908d2.cif
_cod_data_source_block           123_a
_cod_depositor_comments          'Adding full bibliography for 7133616.cif.'
_cod_database_code               7133616
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.824
_shelx_estimated_absorpt_t_min   0.779
_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. Rigid body (RIGU) restrains
 C15
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.02
 C14
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.02
3.a Ternary CH refined with riding coordinates:
 C8(H8)
3.b Secondary CH2 refined with riding coordinates:
 C10(H10A,H10B), C9(H9A,H9B)
3.c Aromatic/amide H refined with riding coordinates:
 C6(H6), C11(H11), C1(H1), C3(H3), C4(H4)
3.d Idealised Me refined as rotating group:
 C15(H15A,H15B,H15C), C14(H14A,H14B,H14C)
;
_shelx_res_checksum              4143
_shelx_hkl_checksum              83001
_olex2_submission_special_instructions 'No special instructions were received'