Structural Variability in the Monofluoroethynylbenzenes Mediated through Interactions Involving “Organic” Fluorine
Dikundwar, Amol G.; Sathishkumar, Ranganathan; Guru Row, Tayur N.; Desiraju, Gautam R.; Crystal Growth & Design 11 (2011) 3954–; doi:10.1021/cg2005453

data_4510938
_publ_section_title
;
 Structural Variability in the Monofluoroethynylbenzenes Mediated through
 Interactions Involving &#x201C;Organic&#x201D; Fluorine
;
_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3954
_journal_paper_doi               10.1021/cg2005453
_journal_volume                  11
_journal_year                    2011
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C8 H5 F'
_chemical_formula_sum            'C8 H5 F'
_chemical_formula_weight         120.12
_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
_cell_angle_alpha                90
_cell_angle_beta                 103.460(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.0506(15)
_cell_length_b                   5.9320(13)
_cell_length_c                   7.4848(16)
_cell_measurement_reflns_used    2880
_cell_measurement_temperature    90(1)
_cell_measurement_theta_max      24.99
_cell_measurement_theta_min      2.80
_cell_volume                     304.45(11)
_computing_cell_refinement       Apex2
_computing_data_collection       'Bruker kappa Apex2'
_computing_data_reduction        SAINT32
_computing_molecular_graphics
'Ortep-3 (Farrugia, 1997) and CAMERON (Watkin et al., 1993)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97  (Sheldrick, 2008)'
_diffrn_ambient_temperature      90(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Brucker kappa apex2 CCD area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0197
_diffrn_reflns_av_sigmaI/netI    0.0229
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            2880
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.80
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.9717
_exptl_absorpt_correction_T_min  0.9625
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Apex2 (Bruker)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       cylindrical
_exptl_crystal_F_000             124
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.264
_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.1(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.087
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     82
_refine_ls_number_reflns         1069
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0388
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0781P)^2^+0.0143P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1043
_refine_ls_wR_factor_ref         0.1060
_reflns_number_gt                1009
_reflns_number_total             1069
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            2fpa_formII.cif
_cod_data_source_block           ofpa90
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4510938