Reactivity of Anodically Generated 4-Methoxystilbene Cation Radicals: The Influence of Ortho-Substituted Hydroxymethyl, Aminomethyl, and Carboxylic Acid Groups.
Chong, Kam-Weng; Thomas, Noel F.; Low, Yun-Yee; Kam, Toh-Seok; The Journal of organic chemistry 83 (2018) 15087–15100; doi:10.1021/acs.joc.8b02360

data_4034735
_publ_section_title
;
 Reactivity of Anodically Generated 4-Methoxystilbene Cation Radicals: The
 Influence of Ortho-Substituted Hydroxymethyl, Aminomethyl, and Carboxylic
 Acid Groups.
;
_journal_issue                   24
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              15087
_journal_page_last               15100
_journal_paper_doi               10.1021/acs.joc.8b02360
_journal_volume                  83
_journal_year                    2018
_chemical_formula_moiety         'C35 H36 N2 O4'
_chemical_formula_sum            'C35 H36 N2 O4'
_chemical_formula_weight         548.66
_chemical_melting_point          146.0(10)
_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
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 101.4109(19)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.8188(3)
_cell_length_b                   10.00924(19)
_cell_length_c                   18.0440(4)
_cell_measurement_reflns_used    6567
_cell_measurement_temperature    149(1)
_cell_measurement_theta_max      73.4540
_cell_measurement_theta_min      4.9630
_cell_volume                     2800.51(10)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material
'enCIFer (Allen, et. al., J. Applied Cryst., 37, 335-338, 2004)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      149(1)
_diffrn_detector_area_resol_mean 5.2020
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0187
_diffrn_reflns_av_unetI/netI     0.0237
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.959
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            10559
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.959
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         73.718
_diffrn_reflns_theta_min         4.147
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.676
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.82163
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_description       plate
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.839
_refine_diff_density_min         -0.716
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     375
_refine_ls_number_reflns         5447
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0583
_refine_ls_R_factor_gt           0.0516
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0790P)^2^+1.8990P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1423
_refine_ls_wR_factor_ref         0.1478
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4743
_reflns_number_total             5447
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b02360_si_004.cif
_cod_data_source_block           exp_6164
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value '145-147' was changed to
'146.0(10)' -- the average value was taken and precision was
estimated.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        2800.52(10)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4034735
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              10329
_shelx_hkl_checksum              91815