Generation of aryl radicals from in situ activated homolytic scission: driving radical reactions by ball milling
Yang, Xinjie; Wang, Hao; Zhang, Yanhua; Su, Weike; Yu, Jingbo; Green Chemistry 24 (2022) 4557–4565; doi:10.1039/D2GC00910B

data_7244869
_publ_section_title
;
 Generation of aryl radicals from in situ activated homolytic scission:
 driving radical reactions by ball milling
;
_journal_issue                   11
_journal_name_full               'Green Chemistry'
_journal_page_first              4557
_journal_page_last               4565
_journal_paper_doi               10.1039/D2GC00910B
_journal_volume                  24
_journal_year                    2022
_chemical_formula_moiety         'C16 H14 N2 O2'
_chemical_formula_sum            'C16 H14 N2 O2'
_chemical_formula_weight         266.29
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-01-09
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2022-01-10 deposited with the CCDC.	2022-04-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.4030(5)
_cell_length_b                   7.2153(2)
_cell_length_c                   29.2429(12)
_cell_measurement_reflns_used    9891
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      27.04
_cell_measurement_theta_min      2.79
_cell_volume                     2616.99(17)
_computing_cell_refinement       'SAINT V8.40B (Bruker Nano, Inc., 2019)'
_computing_data_collection       'Bruker Instrument Service vV6.2.14'
_computing_data_reduction        'SAINT V8.40B (Bruker Nano, Inc., 2019)'
_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      170.0
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'zju Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0492
_diffrn_reflns_av_unetI/netI     0.0251
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            37137
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.112
_diffrn_reflns_theta_min         2.153
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6937
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1448 before and 0.0608 after correction.
The Ratio of minimum to maximum transmission is 0.9305.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_description       plate
_exptl_crystal_F_000             1120
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.311
_refine_diff_density_min         -0.255
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     183
_refine_ls_number_reflns         2890
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0498
_refine_ls_R_factor_gt           0.0415
_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^)+(0.0499P)^2^+0.8866P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1042
_refine_ls_wR_factor_ref         0.1113
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2446
_reflns_number_total             2890
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2gc00910b2.cif
_cod_data_source_block           220107_yxj001
_cod_depositor_comments          'Adding full bibliography for 7244869.cif.'
_cod_database_code               7244869
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.995
_shelx_estimated_absorpt_t_min   0.959
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C4(H4), C5(H5), C8(H8), C9(H9), C10(H10), C13(H13)
2.b Idealised Me refined as rotating group:
 C15(H15A,H15B,H15C), C16(H16A,H16B,H16C)
;
_shelx_res_checksum              94020
_shelx_hkl_checksum              43308
_olex2_submission_special_instructions 'No special instructions were received'