Synthesis of tetrafluoroethylene- and tetrafluoroethyl-containing azides and their 1,3-dipolar cycloaddition as synthetic application
Voltrová, Svatava; Muselli, Mickaël; Filgas, Josef; Matoušek, Václav; Klepetářová, Blanka; Beier, Petr; Org. Biomol. Chem.  (2017) –; doi:10.1039/C7OB01151B

data_7155643
_publ_section_title
;
 Synthesis of tetrafluoroethylene- and tetrafluoroethyl-containing azides
 and their 1,3-dipolar cycloaddition as synthetic application
;
_journal_name_full               'Org. Biomol. Chem.'
_journal_paper_doi               10.1039/C7OB01151B
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C13 H8 Br1 F4 N5'
_chemical_formula_sum            'C13 H8 Br F4 N5'
_chemical_formula_weight         390.14
_chemical_name_systematic
1-(2-(4-bromo-1H-pyrazol-1-yl)-1,1,2,2-tetrafluoroethyl)-4-phenyl-1H-1,2,3-triazole
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_update_record
;
2017-04-20 deposited with the CCDC.
2017-05-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.6519(9)
_cell_length_b                   5.6223(3)
_cell_length_c                   27.0706(13)
_cell_measurement_reflns_used    110
_cell_measurement_temperature    180
_cell_measurement_theta_max      57.5264
_cell_measurement_theta_min      12.5524
_cell_volume                     2838.8(2)
_computing_cell_refinement       'CrysAlis, (Oxford Diffraction, 2002)'
_computing_data_collection       'Xcalibur, (Oxford Diffraction, 2002)'
_computing_data_reduction        'CrysAlis, (Oxford Diffraction, 2002)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      180
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Oxford Diffraction XCALIBUR'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.049
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            21410
_diffrn_reflns_theta_full        70.046
_diffrn_reflns_theta_max         70.046
_diffrn_reflns_theta_min         3.265
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.461
_exptl_absorpt_correction_T_max  0.73
_exptl_absorpt_correction_T_min  0.54
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrysAlis, (Oxford Diffraction, 2002)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.826
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.307
_exptl_crystal_size_mid          0.084
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.38
_refine_diff_density_min         -0.38
_refine_ls_abs_structure_details 'Flack (1983), 2500 Friedel-pairs'
_refine_ls_abs_structure_Flack   0.054(14)
_refine_ls_extinction_coef       0.000
_refine_ls_extinction_method     'Larson (1970), Equation 22'
_refine_ls_goodness_of_fit_ref   1.0981
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     416
_refine_ls_number_reflns         4437
_refine_ls_number_restraints     1
_refine_ls_R_factor_all          0.0400
_refine_ls_R_factor_gt           0.0305
_refine_ls_shift/su_max          0.0021416
_refine_ls_shift/su_mean         0.0000639
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 0.156 0.122 0.757E-01 0.252E-01 0.120E-01 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0434
_refine_ls_wR_factor_gt          0.0303
_refine_ls_wR_factor_ref         0.0303
_reflns_limit_h_max              22
_reflns_limit_h_min              0
_reflns_limit_k_max              6
_reflns_limit_k_min              0
_reflns_limit_l_max              31
_reflns_limit_l_min              -32
_reflns_number_gt                4437
_reflns_number_total             5246
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   2.90
_oxford_diffrn_Wilson_scale      186.29
_oxford_refine_ls_r_factor_ref   0.0305
_oxford_refine_ls_scale          0.07422(7)
_oxford_reflns_number_all        5246
_oxford_reflns_threshold_expression_ref I>2.0\s(I)
_cod_data_source_file            c7ob01151b2.cif
_cod_data_source_block           1
_cod_original_formula_sum        'C13 H8 Br1 F4 N5'
_cod_database_code               7155643
_iucr_refine_instruction_details_constraints
;
BLOCK SCALE X'S, U'S 
CONT ENANTIO 
RIDE C   (   3,X'S) H   (  31,X'S) 
RIDE C   (   6,X'S) H   (  61,X'S) 
RIDE C   (  17,X'S) H   ( 171,X'S) 
RIDE C   (  19,X'S) H   ( 191,X'S) 
RIDE C   (  20,X'S) H   ( 201,X'S) 
RIDE C   (  23,X'S) H   ( 231,X'S) 
RIDE C   (  26,X'S) H   ( 261,X'S) 
RIDE C   (  37,X'S) H   ( 371,X'S) 
RIDE C   (  39,X'S) H   ( 391,X'S) 
RIDE C   (  40,X'S) H   ( 401,X'S) 
RIDE C   (  41,X'S) H   ( 411,X'S) 
RIDE C   (  42,X'S) H   ( 421,X'S) 
RIDE C   (  43,X'S) H   ( 431,X'S) 
RIDE C   (  44,X'S) H   ( 441,X'S) 
RIDE C   (   1,X'S) H   (  11,X'S) 
RIDE C   (   4,X'S) H   (  41,X'S) 
END                                                                             
;
_iucr_refine_instruction_details_restraints
;
NO 
REM   HREST   START (DO NOT REMOVE THIS LINE) 
REM   HREST   END (DO NOT REMOVE THIS LINE) 
END                                                                             
;