Photochemistry of 2-Nitroarenes: 2-Nitrophenyl-α-trifluoromethyl Carbinols as Synthons for Fluoroorganics.
Belligund, Kavita; Mathew, Thomas; Hunt, Jonathan R.; Nirmalchandar, Archith; Haiges, Ralf; Dawlaty, Jahan; Prakash, G. K. Surya; Journal of the American Chemical Society 141 (2019) 15921–15931; doi:10.1021/jacs.9b07241

data_4128297
_publ_section_title
;
 Photochemistry of 2-Nitroarenes: 2-Nitrophenyl-\a-trifluoromethyl
 Carbinols as Synthons for Fluoroorganics.
;
_journal_issue                   40
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15921
_journal_page_last               15931
_journal_paper_doi               10.1021/jacs.9b07241
_journal_volume                  141
_journal_year                    2019
_chemical_formula_moiety         'C20 H16 F6 N2 O7'
_chemical_formula_sum            'C20 H16 F6 N2 O7'
_chemical_formula_weight         510.35
_chemical_name_common            Kavita110216b
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                104.348(8)
_cell_angle_beta                 97.123(8)
_cell_angle_gamma                91.867(8)
_cell_formula_units_Z            1
_cell_length_a                   4.766(2)
_cell_length_b                   9.398(5)
_cell_length_c                   12.710(6)
_cell_measurement_reflns_used    4283
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      30.6054
_cell_measurement_theta_min      2.2418
_cell_volume                     546.1(5)
_computing_cell_refinement       'APEX3 v2017.3-0 (Bruker AXS, 2017)'
_computing_data_collection
'Bruker Instrument Service v2012.12.0.3 (Bruker AXS, 2012)'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS, 2013)'
_computing_molecular_graphics    'shelXle (C.B. Huebschle, rev 833)'
_computing_publication_material  'SHELXTL XL 2016/6 (Bruker AXS, 2016)'
_computing_structure_refinement  'SHELXTL XL 2016/6 (Bruker AXS, 2016)'
_computing_structure_solution    'SHELXTL XT 2014/5 (Bruker AXS, 2014)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX II CCD'
_diffrn_measurement_method       'omega- and phi-scans'
_diffrn_radiation_monochromator  'TRIUMPH curved-crystal'
_diffrn_radiation_type           'MoK\a '
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0396
_diffrn_reflns_av_unetI/netI     0.0394
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            11348
_diffrn_reflns_theta_full        28.27
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         1.67
_diffrn_source                   'fine-focus tube'
_exptl_absorpt_coefficient_mu    0.149
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.84
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2016/2 (Bruker AXS, 2016)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.552
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             260
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.190
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.539
_refine_diff_density_min         -0.246
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.136
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     320
_refine_ls_number_reflns         2714
_refine_ls_number_restraints     288
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.1144
_refine_ls_R_factor_gt           0.0764
_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^)+(0.0794P)^2^+0.6628P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2042
_refine_ls_wR_factor_ref         0.2222
_reflns_number_gt                1823
_reflns_number_total             2714
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b07241_si_004.cif
_cod_data_source_block           Kavita110216b
_cod_database_code               4128297
_shelx_res_checksum              11930
_shelx_hkl_checksum              50414