A comprehensive understanding of the synthons involving C–H⋯F–C hydrogen bond(s) from structural and computational analyses
Kaur, Gurpreet; Choudhury, Angshuman Roy; CrystEngComm 17 (2015) 2949–; doi:10.1039/C5CE00215J

data_7219803
_publ_section_title
;
 A comprehensive understanding of the synthons involving C--H&#x22EF;F--C
 hydrogen bond(s) from structural and computational analyses
;
_journal_issue                   15
_journal_name_full               CrystEngComm
_journal_page_first              2949
_journal_paper_doi               10.1039/C5CE00215J
_journal_volume                  17
_journal_year                    2015
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C13 H7 F4 N'
_chemical_formula_sum            'C13 H7 F4 N'
_chemical_formula_weight         253.2
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2013-10-24T00:53:31-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2015-01-29 deposited with the CCDC.
2015-03-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.778(6)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   3.8029(4)
_cell_length_b                   11.4621(14)
_cell_length_c                   12.2186(15)
_cell_measurement_reflns_used    4010
_cell_measurement_temperature    100
_cell_measurement_theta_max      29.82
_cell_measurement_theta_min      2.441
_cell_volume                     530.75(11)
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
        J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
        J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
        XL, G.M. Sheldrick, Acta Cryst.
        (2008). A64, 112-122
;
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'MO K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0129
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4729
_diffrn_reflns_theta_full        27.1
_diffrn_reflns_theta_max         27.1
_diffrn_reflns_theta_min         2.44
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.143
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.6622
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        SADABS-2008/1 (Bruker,2008) was used for absorption correction.
        R(int) was 0.0538 before and 0.0260 after correction.
        The Ratio of minimum to maximum transmission is 0.8877.
        The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_density_diffrn    1.584
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             256
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.207
_refine_diff_density_min         -0.176
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.1(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         1976
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.025
_refine_ls_R_factor_gt           0.0244
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0421P)^2^+0.0808P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0669
_refine_ls_wR_factor_ref         0.0674
_reflns_number_gt                1936
_reflns_number_total             1976
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ce00215j2.cif
_cod_data_source_block           71
_cod_depositor_comments
'Adding full bibliography for 7219787--7219816.cif.'
_cod_database_code               7219803