Evaluation of the interchangeability of C‒H and C‒F groups: insights from crystal packing in a series of isomeric fluorinated benzanilides
Chopra, Deepak; Guru Row, T. N.; CrystEngComm 10 (2008) 54–; doi:10.1039/b709938j

data_7201556
_publ_section_title
;
 Evaluation of the interchangeability of C--H and C--F groups: insights
 from crystal packing in a series of isomeric fluorinated benzanilides
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              54
_journal_paper_doi               10.1039/b709938j
_journal_volume                  10
_journal_year                    2008
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C13 H9 F2 N O'
_chemical_formula_sum            'C13 H9 F2 N O'
_chemical_formula_weight         233.21
_chemical_name_systematic        ' ?'
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_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
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.1864(14)
_cell_length_b                   5.8673(16)
_cell_length_c                   35.127(9)
_cell_measurement_reflns_used    565
_cell_measurement_temperature    290(2)
_cell_measurement_theta_max      25.2
_cell_measurement_theta_min      1.2
_cell_volume                     1068.9(5)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics
'Ortep-3 for Windows (Farrugia, 1997) and CAMERON (Watkin et al., 1993)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      290(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  'Bruker SMART CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0283
_diffrn_reflns_av_sigmaI/netI    0.0302
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       44
_diffrn_reflns_limit_l_min       -42
_diffrn_reflns_number            7182
_diffrn_reflns_reduction_process ' ?'
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.14
_diffrn_reflns_theta_min         1.16
_exptl_absorpt_coefficient_mu    0.116
_exptl_absorpt_correction_T_max  0.9851
_exptl_absorpt_correction_T_min  0.9056
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1997)'
_exptl_crystal_colour            ' colorless'
_exptl_crystal_density_diffrn    1.449
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       'plates '
_exptl_crystal_F_000             480
_exptl_crystal_size_max          0.58
_exptl_crystal_size_mid          0.53
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.354
_refine_diff_density_min         -0.242
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     158
_refine_ls_number_reflns         1829
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0890
_refine_ls_R_factor_gt           0.0760
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+2.0915P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1310
_refine_ls_wR_factor_ref         0.1350
_reflns_number_gt                1551
_reflns_number_total             1829
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b709938j.txt
_cod_data_source_block           dc1_1_m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               7201556