Synthesis and crystal engineering of fluorinated stilbenes
Mariaca, Raúl; Behrnd, Norwid-Rasmus; Eggli, Patrick; Stoeckli-Evans, Helen; Hulliger, Jürg; CrystEngComm 8 (2006) 222–; doi:10.1039/b517032j

data_7203235
_publ_section_title
;
 Synthesis and crystal engineering of fluorinated stilbenes
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              222
_journal_paper_doi               10.1039/b517032j
_journal_volume                  8
_journal_year                    2006
_chemical_formula_moiety         'C15 H6 Br F4 N'
_chemical_formula_sum            'C15 H6 Br F4 N'
_chemical_formula_weight         356.12
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.193(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3134(10)
_cell_length_b                   11.0006(8)
_cell_length_c                   12.5519(14)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      26.02
_cell_measurement_theta_min      2.20
_cell_volume                     1275.9(2)
_computing_cell_refinement       'CELL (Stoe IPDS Software, 2000)'
_computing_data_collection       'EXPOSE (Stoe IPDS Software, 2000)'
_computing_data_reduction        'INTEGRATE (Stoe IPDS Software, 2000)'
_computing_molecular_graphics    'PLATON99 (Spek, 2003)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'STOE IPDS'
_diffrn_measurement_method       'phi oscillation'
_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  0.0508
_diffrn_reflns_av_sigmaI/netI    0.0351
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9773
_diffrn_reflns_theta_full        26.06
_diffrn_reflns_theta_max         26.06
_diffrn_reflns_theta_min         2.20
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.261
_exptl_absorpt_correction_T_max  0.235
_exptl_absorpt_correction_T_min  0.167
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'MULscanABS in PLATON (Spek, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.854
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.38
_refine_diff_density_max         0.376
_refine_diff_density_min         -0.498
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.989
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2493
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.989
_refine_ls_R_factor_all          0.0359
_refine_ls_R_factor_gt           0.0280
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0468P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0673
_refine_ls_wR_factor_ref         0.0702
_reflns_number_gt                2083
_reflns_number_total             2493
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            b517032j.txt
_cod_data_source_block           CF4H4B
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7203235