Imine-Based Catechols and o-Benzoquinones: Synthesis, Structure, and Features of Redox Behavior
Astaf’eva, Tatiana V.; Arsenyev, Maxim V.; Rumyantcev, Roman V.; Fukin, Georgy K.; Cherkasov, Vladimir K.; Poddel’sky, Andrey I.; ACS Omega  (2020) –; doi:10.1021/acsomega.0c02277

data_4517974
_publ_section_title
;
 Imine-Based Catechols and o-Benzoquinones: Synthesis, Structure, and
 Features of Redox Behavior
;
_journal_name_full               'ACS Omega'
_journal_paper_doi               10.1021/acsomega.0c02277
_journal_year                    2020
_chemical_formula_sum            'C19 H31 N O2'
_chemical_formula_weight         305.45
_space_group_crystal_system      trigonal
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3 :H'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            18
_cell_length_a                   26.8597(3)
_cell_length_b                   26.8597(3)
_cell_length_c                   14.4115(2)
_cell_measurement_reflns_used    21971
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      32.3980
_cell_measurement_theta_min      3.6390
_cell_volume                     9004.14(19)
_computing_cell_refinement       'CrysAlisPro, Agilent Technologies'
_computing_data_collection       'CrysAlisPro, Agilent Technologies'
_computing_data_reduction        'CrysAlisPro, Agilent Technologies'
_computing_structure_refinement  SHELXL-2014/7
_computing_structure_solution    SHELXT-2014/4
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur EOS'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0411
_diffrn_reflns_av_unetI/netI     0.0157
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            48489
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.000
_diffrn_reflns_theta_min         3.034
_exptl_absorpt_coefficient_mu    0.064
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.91730
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies, Version 1.171.37.35.
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.014
_exptl_crystal_description       prism
_exptl_crystal_F_000             3024
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.350
_refine_diff_density_max         0.310
_refine_diff_density_min         -0.197
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     216
_refine_ls_number_reflns         4372
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0428
_refine_ls_R_factor_gt           0.0366
_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^)+(0.0475P)^2^+6.8747P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0952
_refine_ls_wR_factor_ref         0.0985
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3802
_reflns_number_total             4372
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao0c02277_si_001.cif
_cod_data_source_block           3
_cod_original_cell_volume        9004.1(2)
_cod_database_code               4517974
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.962
_shelx_estimated_absorpt_t_max   0.978
_shelx_res_checksum              75839
_shelx_hkl_checksum              18323
_shelx_fab_checksum              55553