Refreshing the Legacy of Rudolf Nietzki: Benzene-1,2,4,5-tetramine and Related Compounds
Johann O. E. Sosoe; Cédric Malveau; Thierry Maris; Radu Iftimie; James D. Wuest; Journal of Organic Chemistry 88 (2023) 16302–16314; doi:10.1021/acs.joc.3c01793

data_4039024
_publ_contact_author_id_orcid    0000-0001-9731-4046
_publ_section_title
;
 Refreshing the Legacy of Rudolf Nietzki: Benzene-1,2,4,5-tetramine and
 Related Compounds
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              16302
_journal_page_last               16314
_journal_paper_doi               10.1021/acs.joc.3c01793
_journal_volume                  88
_journal_year                    2023
_chemical_formula_moiety         'C6 H10 N4, 2(Cl)'
_chemical_formula_sum            'C6 H10 Cl2 N4'
_chemical_formula_weight         209.08
_chemical_name_systematic
;
2,5-Diaminocyclohexa-2,5-diene-1,4-diiminium Dichloride
;
_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   difmap
_atom_sites_solution_primary     dual
_audit_contact_author_email      thierry.maris@umontreal.ca
_audit_contact_author_name       'Thierry Maris'
_audit_contact_author_phone      '+1 514 340 4711 2579'
_audit_creation_method
;
FinalCif V106 by Daniel Kratzert, Freiburg 2022,
https://dkratzert.de/finalcif.html
;
_cell_angle_alpha                90
_cell_angle_beta                 99.436(1)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   5.3141(2)
_cell_length_b                   7.3724(3)
_cell_length_c                   11.3921(5)
_cell_measurement_reflns_used    9938
_cell_measurement_temperature    150
_cell_measurement_theta_max      59.248
_cell_measurement_theta_min      3.422
_cell_volume                     440.28(3)
_computing_cell_refinement
;
SAINT (2020) V8.40B; Integration Software for Single Crystal Data.
Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_data_collection
;
APEX 3 (2019) Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_data_reduction
;
SAINT (2020) V8.40B; Integration Software for Single Crystal Data.
Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'XT  (Sheldrick, 2015)'
_diffrn_ambient_environment      150
_diffrn_ambient_temperature      150
_diffrn_detector                 'CMOS Area detector'
_diffrn_detector_area_resol_mean 10.42
_diffrn_detector_type            'Bruker CMOS Photon III '
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker Venture Metaljet'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_collimation    'Focusing mirrors'
_diffrn_radiation_monochromator  'Helios MX Mirror Optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Ga K\a'
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0403
_diffrn_reflns_av_unetI/netI     0.0339
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10613
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         59.308
_diffrn_reflns_theta_min         6.246
_diffrn_source                   'Metal Jet'
_diffrn_source_current           2.85
_diffrn_source_power             0.198759
_diffrn_source_target            Ga
_diffrn_source_type              'Gallium Liquid Metal Jet Source'
_diffrn_source_voltage           69.74
_exptl_absorpt_coefficient_mu    4.139
_exptl_absorpt_correction_T_max  0.2082
_exptl_absorpt_correction_T_min  0.1011
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1121 before and 0.0629 after correction.
The Ratio of minimum to maximum transmission is 0.4856.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear light black'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    black
_exptl_crystal_density_diffrn    1.577
_exptl_crystal_description       block
_exptl_crystal_F_000             216
_exptl_crystal_recrystallization_method 'crystallised in HCl/H2O'
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.522
_refine_diff_density_min         -0.447
_refine_diff_density_rms         0.206
_refine_ls_extinction_coef       0.107(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2019/1 (Sheldrick 2019)'
_refine_ls_goodness_of_fit_ref   1.108
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     76
_refine_ls_number_reflns         978
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.108
_refine_ls_R_factor_all          0.0361
_refine_ls_R_factor_gt           0.0287
_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^)+(0.0456P)^2^+0.1282P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0756
_refine_ls_wR_factor_ref         0.0760
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                961
_reflns_number_total             978
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            BTA_H2_2HCl.cif
_cod_data_source_block           jw24601
_cod_database_code               4039024
_cod_database_fobs_code 4039024