Triazenyl Radicals Stabilized by N-Heterocyclic Carbenes.
Back, Jisu; Park, Junbeom; Kim, Youngsuk; Kang, Haneol; Kim, Yonghwi; Park, Moon Jeong; Kim, Kimoon; Lee, Eunsung; Journal of the American Chemical Society  (2017) –; doi:10.1021/jacs.7b08753

data_4126624
_publ_section_title
;
 Triazenyl Radicals Stabilized by N-Heterocyclic Carbenes.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.7b08753
_journal_year                    2017
_chemical_formula_moiety         'Cl, C54 H72 N7'
_chemical_formula_sum            'C54 H72 Cl N7'
_chemical_formula_weight         854.63
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2017-05-16
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5337)
;
_cell_angle_alpha                90
_cell_angle_beta                 96.21(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.473(2)
_cell_length_b                   32.135(6)
_cell_length_c                   25.904(5)
_cell_measurement_reflns_used    31206
_cell_measurement_temperature    100
_cell_measurement_theta_max      24.316
_cell_measurement_theta_min      1.471
_cell_volume                     10322(3)
_computing_cell_refinement       HKL3000
_computing_data_collection       'PAL ADSC Quantum-210 ADX Program'
_computing_data_reduction        HKL3000
_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      100
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'ADSC Q210 CCD area detector'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_monochromator  'Si(111) double crystal monochromator'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.700
_diffrn_reflns_av_R_equivalents  0.0437
_diffrn_reflns_av_unetI/netI     0.0713
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       37
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            31206
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        24.316
_diffrn_reflns_theta_max         24.316
_diffrn_reflns_theta_min         1.471
_diffrn_source                   'PLSII 2D bending magnet'
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.100
_exptl_crystal_description       block
_exptl_crystal_F_000             3696
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.199
_refine_diff_density_min         -0.563
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1117
_refine_ls_number_reflns         17521
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.1446
_refine_ls_R_factor_gt           0.0836
_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^)+(0.1514P)^2^+2.0122P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2271
_refine_ls_wR_factor_ref         0.2663
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9757
_reflns_number_total             17521
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            2a.cif
_cod_data_source_block           p21c
_cod_original_cell_volume        10322(4)
_cod_database_code               4126624
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.989
_shelx_estimated_absorpt_t_min   0.984
_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 Ternary CH refined with riding coordinates:
 C10(H10), C13(H13), C22(H22), C25(H25), C37(H37), C40(H40), C49(H49),
 C52(H52), C64(H64), C67(H67), C76(H76), C79(H79), C91(H91), C94(H94),
 C103(H103), C106(H106)
2.b Me refined with riding coordinates:
 C11(H11A,H11B,H11C), C12(H12A,H12B,H12C), C14(H14A,H14B,H14C), C15(H15A,H15B,
 H15C), C23(H23A,H23B,H23C), C24(H24A,H24B,H24C), C26(H26A,H26B,H26C), C27(H27A,
 H27B,H27C), C38(H38A,H38B,H38C), C39(H39A,H39B,H39C), C41(H41A,H41B,H41C),
 C42(H42A,H42B,H42C), C50(H50A,H50B,H50C), C51(H51A,H51B,H51C), C53(H53A,H53B,
 H53C), C54(H54A,H54B,H54C), C65(H65A,H65B,H65C), C66(H66A,H66B,H66C), C68(H68A,
 H68B,H68C), C69(H69A,H69B,H69C), C77(H77A,H77B,H77C), C78(H78A,H78B,H78C),
 C80(H80A,H80B,H80C), C81(H81A,H81B,H81C), C92(H92A,H92B,H92C), C93(H93A,H93B,
 H93C), C95(H95A,H95B,H95C), C96(H96A,H96B,H96C), C104(H10A,H10B,H10C),
 C105(H10D,H10E,H10F), C107(H10G,H10H,H10I), C108(H10J,H10K,H10L)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C6(H6), C7(H7), C8(H8), C18(H18), C19(H19), C20(H20),
 C29(H29), C30(H30), C33(H33), C34(H34), C35(H35), C45(H45), C46(H46), C47(H47),
  C56(H56), C57(H57), C60(H60), C61(H61), C62(H62), C72(H72), C73(H73),
 C74(H74), C83(H83), C84(H84), C87(H87), C88(H88), C89(H89), C99(H99),
 C100(H100), C101(H101)
;
_olex2_submission_special_instructions 'No special instructions were received'