Tri- and tetrafluoropropionamides derived from chiral secondary amines ‒ synthesis and the conformational studies
Bilska-Markowska, Monika; Rapp, Magdalena; Siodła, Tomasz; Katrusiak, Andrzej; Hoffmann, Marcin; Koroniak, Henryk; New Journal of Chemistry 38 (2014) 3819–; doi:10.1039/C4NJ00317A

data_7054341
_publ_section_title
;
 Tri- and tetrafluoropropionamides derived from chiral secondary amines --
 synthesis and the conformational studies
;
_journal_issue                   8
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              3819
_journal_paper_doi               10.1039/C4NJ00317A
_journal_volume                  38
_journal_year                    2014
_chemical_formula_sum            'C12 H13 F4 N O'
_chemical_formula_weight         263.23
_chemical_name_systematic
; 
 (R)-2,3,3,3-Tetrafluoro-N-methyl-N-((R)-1-phenylethyl)propanamide  
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.07446(13)
_cell_length_b                   8.98778(19)
_cell_length_c                   24.2410(6)
_cell_measurement_temperature    293(2)
_cell_volume                     1323.46(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  Kuma
_diffrn_measurement_method       omega
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0301
_diffrn_reflns_av_unetI/netI     0.0122
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            21223
_diffrn_reflns_theta_full        75.62
_diffrn_reflns_theta_max         75.62
_diffrn_reflns_theta_min         5.25
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    1.075
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.321
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.164
_refine_diff_density_rms         0.029
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(2)
_refine_ls_extinction_coef       0.0046(10)
_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   1.106
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         2734
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.0470
_refine_ls_R_factor_gt           0.0441
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0772P)^2^+0.1076P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1384
_refine_ls_wR_factor_ref         0.1423
_reflns_number_gt                2492
_reflns_number_total             2734
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7054244
_cod_data_source_file            c4nj00317a1.cif
_cod_data_source_block           kor2
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7054341