Direct observation of change in the molecular structure of benzyl (Z,Z)-muconate during photoisomerization in the solid state
Furukawa, Daisuke; Kobatake, Seiya; Matsumoto, Akikazu; Chemical Communications (Cambridge, United Kingdom)  (2008) 55–57; doi:10.1039/b714792a

data_7102781
_publ_section_title
;
 Direct observation of change in the molecular structure of benzyl
 (Z,Z)-muconate during photoisomerization in the solid state
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   1
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              55
_journal_page_last               57
_journal_paper_doi               10.1039/b714792a
_journal_year                    2008
_chemical_formula_moiety         'C20 H18 O4'
_chemical_formula_sum            'C20 H18 O4'
_chemical_formula_weight         322.34
_chemical_name_common
;Dibenzyl (Z,Z)-muconate (64.7%) + dibenzyl (E,E)-muconate
(35.3%)
;
_chemical_name_systematic
;
Dibenzyl (Z,Z)-muconate (64.7%) + dibenzyl (E,E)-muconate (35.3%)
;
_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                 106.00(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.328(6)
_cell_length_b                   5.765(4)
_cell_length_c                   15.005(9)
_cell_measurement_reflns_used    3837
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.8
_cell_measurement_theta_min      3.0
_cell_volume                     858.8(9)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  CrystalStructure
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0548
_diffrn_reflns_av_sigmaI/netI    0.0483
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            6993
_diffrn_reflns_theta_full        27.30
_diffrn_reflns_theta_max         27.30
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9829
_exptl_absorpt_correction_T_min  0.9662
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Higashi, T. (1995). Program for Absorption Correction.
Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             340
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.178
_refine_diff_density_min         -0.162
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.942
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     203
_refine_ls_number_reflns         1933
_refine_ls_number_restraints     28
_refine_ls_restrained_S_all      0.939
_refine_ls_R_factor_all          0.1564
_refine_ls_R_factor_gt           0.0714
_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^)+(0.1303P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1892
_refine_ls_wR_factor_ref         0.2290
_reflns_number_gt                842
_reflns_number_total             1933
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b714792a.txt
_cod_data_source_block           ZZ-Bz-2
_cod_database_code               7102781