Molecular Stacking and Photoreactions of Fluorine-Substituted Benzyl Muconates in the Crystals
Mori, Yutaka; Matsumoto, Akikazu; Crystal Growth & Design 7 (2007) 377–; doi:10.1021/cg060643b

data_4503995
_publ_section_title
;
 Molecular Stacking and Photoreactions of Fluorine-Substituted Benzyl
 Muconates in the Crystals
;
_journal_issue                   2
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              377
_journal_paper_doi               10.1021/cg060643b
_journal_volume                  7
_journal_year                    2007
_chemical_formula_moiety         'C20 H12 F6 O4 '
_chemical_formula_sum            'C20 H12 F6 O4'
_chemical_formula_weight         430.30
_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                 96.466(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   3.8986(7)
_cell_length_b                   20.073(5)
_cell_length_c                   11.586(2)
_cell_measurement_reflns_used    5222
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      3.7
_cell_volume                     900.9(3)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.7.0'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      203(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0275
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            2022
_diffrn_reflns_theta_full        27.43
_diffrn_reflns_theta_max         27.43
_diffrn_reflns_theta_min         3.52
_exptl_absorpt_coefficient_mu    0.150
_exptl_absorpt_correction_T_max  0.9851
_exptl_absorpt_correction_T_min  0.9424
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.586
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             436
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.459
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.128
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         2022
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.128
_refine_ls_R_factor_all          0.0898
_refine_ls_R_factor_gt           0.0666
_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^)+(0.0692P)^2^+1.4349P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1825
_refine_ls_wR_factor_ref         0.1906
_reflns_number_gt                1391
_reflns_number_total             2022
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg060643bsi20060925_055608.cif
_cod_data_source_block           (E,E)-4
_cod_database_code               4503995