Penta- and Decafluorinated Dibenzalacetones: Synthesis, Crystal Structure, and Cocrystallization Experiments
Schwarzer, Anke; Weber, Edwin; Crystal Growth & Design 14 (2014) 2335–; doi:10.1021/cg5000342

data_4510529
_publ_section_title
;
 Penta- and Decafluorinated Dibenzalacetones: Synthesis, Crystal
 Structure, and Cocrystallization Experiments
;
_journal_issue                   5
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2335
_journal_paper_doi               10.1021/cg5000342
_journal_volume                  14
_journal_year                    2014
_chemical_formula_moiety         'C17 H4 F10 O'
_chemical_formula_sum            'C17 H4 F10 O'
_chemical_formula_weight         414.20
_chemical_melting_point          398.15
_chemical_name_common
;
 1,5-Bis(2,3,4,5,6-pentafluorophenyl)penta-1,4-dien-3-one
;
_chemical_name_systematic
;
 1,5-Bis(2,3,4,5,6-pentafluorophenyl)penta-1,4-dien-3-one
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 90.348(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   5.6259(8)
_cell_length_b                   24.346(4)
_cell_length_c                   21.186(3)
_cell_measurement_reflns_used    7041
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      30.06
_cell_measurement_theta_min      2.55
_cell_volume                     2901.8(8)
_computing_cell_refinement       'Bruker SMART Version 5.628'
_computing_data_collection       'Bruker SMART Version 5.628'
_computing_data_reduction        'Bruker SAINT Version 6.45a'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      93(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0387
_diffrn_reflns_av_sigmaI/netI    0.0259
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            35607
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.67
_exptl_absorpt_coefficient_mu    0.206
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.896
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.650
_refine_diff_density_min         -0.362
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.113
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         5667
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.0659
_refine_ls_R_factor_gt           0.0472
_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^)+(0.0622P)^2^+2.6205P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1225
_refine_ls_wR_factor_ref         0.1350
_reflns_number_gt                4297
_reflns_number_total             5667
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg5000342_si_001.cif
_cod_data_source_block           3
_cod_depositor_comments
'Adding full bibliography for 4510528--4510530.cif.'
_cod_original_cell_volume        2901.8(7)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4510529