Trapping of benzene oxide-oxepin and methyl-substituted derivatives with 4-phenyl- and 4-pentafluorophenyl-1,2,4-triazoline-3,5-dione.
Henderson, Alistair P.; Mutlu, Esra; Leclercq, Amélie; Bleasdale, Christine; Clegg, William; Henderson, Richard A.; Golding, Bernard T.; Chemical communications (Cambridge, England)  (2002) 1956–1957; doi:10.1039/b205079j

data_7125558
_publ_section_title
;
 Trapping of benzene oxide-oxepin and methyl-substituted derivatives with
 4-phenyl- and 4-pentafluorophenyl-1,2,4-triazoline-3,5-dione.
;
_journal_issue                   17
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1956
_journal_page_last               1957
_journal_paper_doi               10.1039/b205079j
_journal_year                    2002
_chemical_formula_sum            'C26 H24 Cl4 N6 O5'
_chemical_formula_weight         642.32
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                85.792(2)
_cell_angle_beta                 78.365(2)
_cell_angle_gamma                74.561(2)
_cell_formula_units_Z            2
_cell_length_a                   9.1142(8)
_cell_length_b                   9.5955(9)
_cell_length_c                   17.0216(15)
_cell_measurement_reflns_used    7498
_cell_measurement_temperature    160(2)
_cell_measurement_theta_max      28.25
_cell_measurement_theta_min      2.20
_cell_volume                     1405.1(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      160(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.892
_diffrn_measurement_device_type  'Bruker SMART 1K CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0339
_diffrn_reflns_av_sigmaI/netI    0.0536
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            12071
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.43
_diffrn_reflns_theta_min         2.20
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.471
_exptl_absorpt_correction_T_max  0.981
_exptl_absorpt_correction_T_min  0.766
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.518
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lath
_exptl_crystal_F_000             660
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.521
_refine_diff_density_min         -0.573
_refine_diff_density_rms         0.072
_refine_ls_extinction_coef       0.0049(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     392
_refine_ls_number_reflns         6313
_refine_ls_number_restraints     37
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0760
_refine_ls_R_factor_gt           0.0493
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0688P)^2^+0.8750P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1259
_refine_ls_wR_factor_ref         0.1434
_reflns_number_gt                4581
_reflns_number_total             6313
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b205079j.txt
_cod_data_source_block           btg48
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7125558