3-Substituted Benzo[ e][1,2,4]triazines: Synthesis and Electronic Effects of the C(3) Substituent.
Bodzioch, Agnieszka; Pomikło, Dominika; Celeda, Małgorzata; Pietrzak, Anna; Kaszyński, Piotr; The Journal of organic chemistry 84 (2019) 6377–6394; doi:10.1021/acs.joc.9b00716

data_4033677
_publ_section_title
;
 3-Substituted Benzo[ e][1,2,4]triazines: Synthesis and Electronic Effects
 of the C(3) Substituent.
;
_journal_issue                   10
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              6377
_journal_page_last               6394
_journal_paper_doi               10.1021/acs.joc.9b00716
_journal_volume                  84
_journal_year                    2019
_chemical_formula_moiety         'C8 H4 F3 N3'
_chemical_formula_sum            'C8 H4 F3 N3'
_chemical_formula_weight         199.14
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     other
_audit_creation_method           SHELXL-2018/1
_audit_update_record
;
2018-11-12 deposited with the CCDC.	2019-03-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.973(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_b                   15.9025(4)
_cell_length_c                   10.4700(3)
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_cell_measurement_temperature    100(2)
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_cell_measurement_theta_min      5.0710
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_computing_cell_refinement       'CrysAlisPro 1.171.39.44a (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.44a (Rigaku OD, 2018)'
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_computing_structure_refinement  'SHELXL-2018/1 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, Pilatus 300K'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0530
_diffrn_reflns_av_unetI/netI     0.0259
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            13104
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         70.067
_diffrn_reflns_theta_min         5.084
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    1.389
_exptl_absorpt_correction_T_max  0.987
_exptl_absorpt_correction_T_min  0.960
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.44a (Rigaku Oxford Diffraction, 2018)
Analytical numeric absorption correction using a multifaceted crystal
			model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.679
_exptl_crystal_description       plate
_exptl_crystal_F_000             400
_exptl_crystal_size_max          0.360
_exptl_crystal_size_mid          0.109
_exptl_crystal_size_min          0.068
_refine_diff_density_max         0.217
_refine_diff_density_min         -0.230
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         1494
_refine_ls_number_restraints     21
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0364
_refine_ls_R_factor_gt           0.0325
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0571P)^2^+0.1709P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0922
_refine_ls_wR_factor_ref         0.0949
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1336
_reflns_number_total             1494
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b00716_si_006.cif
_cod_data_source_block           pkcf3new
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4033677
_shelx_shelxl_version_number     2018/1
_shelx_res_checksum              82132
_shelx_hkl_checksum              44481