Single crystal cis–trans photoisomerizations of 2-(9-anthrylmethylene)-1-indanones
Harada, Jun; Harakawa, Mayuko; Sugiyama, Shingo; Ogawa, Keiichiro; CrystEngComm 11 (2009) 1235–; doi:10.1039/b821900a

data_7200773
_publ_section_title
;
 Single crystal cis--trans photoisomerizations of
 2-(9-anthrylmethylene)-1-indanones
;
_journal_issue                   7
_journal_name_full               CrystEngComm
_journal_page_first              1235
_journal_paper_doi               10.1039/b821900a
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C24 H16 O'
_chemical_formula_weight         320.37
_chemical_melting_point          221
_chemical_name_systematic
;
(Z)-2-(9-anthrylmethylene)-1-indanone
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.513(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.6222(8)
_cell_length_b                   13.9067(9)
_cell_length_c                   10.3985(7)
_cell_measurement_reflns_used    4703
_cell_measurement_temperature    300
_cell_measurement_theta_max      30.0
_cell_measurement_theta_min      2.3
_cell_volume                     1640.75(19)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      300
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD diffractometer'
_diffrn_measurement_method       \w_scan
_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  0.0338
_diffrn_reflns_av_sigmaI/netI    0.0249
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            25420
_diffrn_reflns_theta_full        30.02
_diffrn_reflns_theta_max         30.02
_diffrn_reflns_theta_min         2.01
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.9801
_exptl_absorpt_correction_T_min  0.9681
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2002)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.283
_refine_diff_density_min         -0.190
_refine_diff_density_rms         0.040
_refine_ls_extinction_coef       0.021(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         4801
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0650
_refine_ls_R_factor_gt           0.0461
_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^)+(0.0722P)^2^+0.3205P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1213
_refine_ls_wR_factor_ref         0.1390
_reflns_number_gt                3591
_reflns_number_total             4801
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b821900a.txt
_cod_data_source_block           9a1i_0h
_cod_original_sg_symbol_H-M      P_1_21/a_1
_cod_database_code               7200773