Guest-dependent photochromism of 3,3?-bis-(4-fluoro-phenyl)-3H,3?H- [2,2?]biindenylidene-1,1?-dione in its inclusion crystals
Tanaka, Koichi; Yamamoto, Yohei; Caira, Mino R.; CrystEngComm 6 (2004) 1–; doi:10.1039/b314140c

data_7204778
_publ_section_title
;
 Guest-dependent photochromism of 3,3?-bis-(4-fluoro-phenyl)-3H,3?H-
 [2,2?]biindenylidene-1,1?-dione in its inclusion crystals
;
_journal_issue                   2
_journal_name_full               CrystEngComm
_journal_page_first              1
_journal_paper_doi               10.1039/b314140c
_journal_volume                  6
_journal_year                    2004
_chemical_formula_moiety         'C30 H18 F2 O2 . C1 H2 CL2'
_chemical_formula_sum            'C31 H20 Cl2 F2 O2'
_chemical_formula_weight         533.37
_chemical_name_common            none
_chemical_name_systematic
;
3,3'-bis-(4-fluorophenyl)-3H,3'H-[2,2']biindenylidene-1,1'-dione
dichloromethane solvate (1:1)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 95.365(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.0486(1)
_cell_length_b                   19.3364(2)
_cell_length_c                   14.4056(2)
_cell_measurement_reflns_used    49349
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.02
_cell_volume                     2509.47(5)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT 2000'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'phi-scans of 1.0 and 1.2 deg.'
_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  0.0472
_diffrn_reflns_av_sigmaI/netI    0.0329
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            49349
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.54
_exptl_absorpt_coefficient_mu    0.302
_exptl_absorpt_correction_T_max  0.9561
_exptl_absorpt_correction_T_min  0.9421
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Program SADABS'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.412
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.374
_refine_diff_density_min         -0.429
_refine_diff_density_rms         0.043
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         5746
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0741
_refine_ls_R_factor_gt           0.0429
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0449P)^2^+1.0176P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0967
_refine_ls_wR_factor_ref         0.1086
_reflns_number_gt                4005
_reflns_number_total             5746
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b314140c.txt
_cod_data_source_block           c:\finfil~1\cychcls
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value '-' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7204778