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_4503998
_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 H16 F2 O4 '
_chemical_formula_sum            'C20 H16 F2 O4'
_chemical_formula_weight         358.33
_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                 96.182(14)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.443(4)
_cell_length_b                   4.0015(10)
_cell_length_c                   18.646(6)
_cell_measurement_reflns_used    6608
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      3.6
_cell_volume                     848.8(5)
_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 0.997
_diffrn_measured_fraction_theta_max 0.997
_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    0.0111
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            1945
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.58
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  0.9889
_exptl_absorpt_correction_T_min  0.9161
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             372
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.193
_refine_diff_density_min         -0.303
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     119
_refine_ls_number_reflns         1945
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0724
_refine_ls_R_factor_gt           0.0566
_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^)+(0.1185P)^2^+0.0223P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1526
_refine_ls_wR_factor_ref         0.1670
_reflns_number_gt                1461
_reflns_number_total             1945
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg060643bsi20060925_055724.cif
_cod_data_source_block           (Z,Z)-1
_cod_original_cell_volume        848.8(4)
_cod_database_code               4503998