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_7201555
_publ_section_title
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 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_compound_source        'see text'
_chemical_formula_moiety         'C13 H9 F2 N O'
_chemical_formula_sum            'C13 H9 F2 N O'
_chemical_formula_weight         233.21
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      29
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 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                   24.660(5)
_cell_length_b                   5.2031(12)
_cell_length_c                   8.2440(18)
_cell_measurement_reflns_used    685
_cell_measurement_temperature    290(2)
_cell_measurement_theta_max      25.4
_cell_measurement_theta_min      1.4
_cell_volume                     1057.8(4)
_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 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker SMART APEX 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  0.0706
_diffrn_reflns_av_sigmaI/netI    0.0700
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            6748
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.65
_exptl_absorpt_coefficient_mu    0.117
_exptl_absorpt_correction_T_max  0.9907
_exptl_absorpt_correction_T_min  0.9255
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.464
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             480
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.238
_refine_diff_density_min         -0.238
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.148
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         1796
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.148
_refine_ls_R_factor_all          0.1259
_refine_ls_R_factor_gt           0.0853
_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^)+(0.0397P)^2^+0.7164P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1356
_refine_ls_wR_factor_ref         0.1494
_reflns_number_gt                1291
_reflns_number_total             1796
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b709938j.txt
_cod_data_source_block           dc2_1am
_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 
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_cod_database_code               7201555