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_7200781
_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            'C25 H18 O'
_chemical_formula_weight         334.39
_chemical_melting_point          197
_chemical_name_systematic
;
(E)-2-(9-anthrylmethylene)-6-methyl-1-indanone
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 108.858(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.7933(11)
_cell_length_b                   10.8304(7)
_cell_length_c                   18.5389(11)
_cell_measurement_reflns_used    7393
_cell_measurement_temperature    300
_cell_measurement_theta_max      30.0
_cell_measurement_theta_min      2.2
_cell_volume                     3570.8(4)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0296
_diffrn_reflns_av_sigmaI/netI    0.0229
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            26883
_diffrn_reflns_theta_full        30.06
_diffrn_reflns_theta_max         30.06
_diffrn_reflns_theta_min         2.20
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9882
_exptl_absorpt_correction_T_min  0.9638
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2002)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.244
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.261
_refine_diff_density_min         -0.331
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         5238
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0873
_refine_ls_R_factor_gt           0.0545
_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^)+(0.0555P)^2^+2.5839P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1317
_refine_ls_wR_factor_ref         0.1548
_reflns_number_gt                3450
_reflns_number_total             5238
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b821900a.txt
_cod_data_source_block           6me16h
_cod_original_sg_symbol_H-M      C_1_2/c_1
_cod_database_code               7200781