Reactions of polyfluorinated cyclohexadienones with diazoalkanes. Part 1. Formation of cyclopropanes from polyfluorinated cyclohexa-2,4-dienones with diazomethane and phenyldiazomethane
Kovtonyuk, Vladimir N.; Kobrina, Ljubov S.; Gatilov, Yurij V.; Bagryanskaya, Irina Yu.; Fröhlich, Roland; Haufe, Günter; Journal of the Chemical Society, Perkin Transactions 1  (2000) 1929–; doi:10.1039/b001618g

data_7213291
_publ_section_title
;
 Reactions of polyfluorinated cyclohexadienones with diazoalkanes. Part 1.
 Formation of cyclopropanes from polyfluorinated cyclohexa-2,4-dienones
 with diazomethane and phenyldiazomethane
;
_journal_issue                   12
_journal_name_full
'Journal of the Chemical Society, Perkin Transactions 1'
_journal_page_first              1929
_journal_paper_doi               10.1039/b001618g
_journal_year                    2000
_chemical_formula_sum            'C13 H6 Cl F5 O'
_chemical_formula_weight         308.63
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.28(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.205(1)
_cell_length_b                   13.755(1)
_cell_length_c                   7.725(1)
_cell_measurement_temperature    198(2)
_cell_volume                     1190.3(2)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (Siemens Analytical)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      198(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0366
_diffrn_reflns_av_sigmaI/netI    0.0397
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            9988
_diffrn_reflns_theta_full        30.48
_diffrn_reflns_theta_max         30.48
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.377
_exptl_absorpt_correction_T_max  0.9284
_exptl_absorpt_correction_T_min  0.8639
_exptl_absorpt_correction_type   'SORTAV (Blessing, 1995 & 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.722
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.344
_refine_diff_density_min         -0.327
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    'refined as riding atoms'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         3517
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0411
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0341P)^2^+0.5607P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0939
_refine_ls_wR_factor_ref         0.1047
_reflns_number_gt                2683
_reflns_number_total             3517
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b001618gsup1.cif
_cod_data_source_block           haf_960
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7213291