Fluorine-containing donor-acceptor complexes: crystallographic study of the interactions between electronegative atoms (N, O, S) and halogen atoms (I, Br)
Chu, Qianli; Wang, Zheming; Huang, Qichen; Yan, Chunhua; Zhu, Shizheng; New Journal of Chemistry 27 (2003) 1522–; doi:10.1039/b305312c

data_7050633
_publ_section_title
;
 Fluorine-containing donor-acceptor complexes: crystallographic study
 of the interactions between electronegative atoms (N, O, S) and
 halogen atoms (I, Br)
;
_journal_issue                   10
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1522
_journal_paper_doi               10.1039/b305312c
_journal_volume                  27
_journal_year                    2003
_chemical_formula_sum            'C18 H14 F4 I2 N2 S2'
_chemical_formula_weight         652.23
_chemical_melting_point          310
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                80.528(4)
_cell_angle_beta                 78.781(4)
_cell_angle_gamma                85.991(4)
_cell_formula_units_Z            1
_cell_length_a                   6.9160(5)
_cell_length_b                   7.7021(5)
_cell_length_c                   10.6364(7)
_cell_measurement_reflns_used    3048
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      27.480
_cell_measurement_theta_min      3.535
_cell_volume                     547.75(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD (Nonius B. V., 1998)'
_computing_data_reduction
'HKL Denzo (Otwinowski & Minor, 1997) & maXus (Mackay et al., 1998)'
_computing_molecular_graphics    'Bruker SHELXTL V5.1 (Sheldrick, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      180(2)
_diffrn_measured_fraction_theta_full 0.952
_diffrn_measured_fraction_theta_max 0.952
_diffrn_measurement_device_type  'NONIUS KappaCCD Diffractometer'
_diffrn_measurement_method       CCD
_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  0.0549
_diffrn_reflns_av_sigmaI/netI    0.0484
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10511
_diffrn_reflns_theta_full        30.05
_diffrn_reflns_theta_max         30.05
_diffrn_reflns_theta_min         3.57
_exptl_absorpt_coefficient_mu    3.101
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.977
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             310
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.40
_refine_diff_density_max         1.415
_refine_diff_density_min         -1.835
_refine_diff_density_rms         0.151
_refine_ls_extinction_coef       0.0181(18)
_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   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         3048
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0444
_refine_ls_R_factor_gt           0.0348
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0511P)^2^+0.0086P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0777
_refine_ls_wR_factor_ref         0.0819
_reflns_number_gt                2673
_reflns_number_total             3048
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b305312c.txt
_cod_data_source_block           Comp14
_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc
w=1/[\s^2^(Fo^2^)+(0.0511P)^2^+0.0086P] where P=(Fo^2^+2Fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to
'w=1/[\s^2^(Fo^2^)+(0.0511P)^2^+0.0086P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        547.75(6)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7050633