Single-crystalline photochromism of diarylethenes: reactivity???structure relationshipElectronic supplementary information (ESI) available: X-ray crystallographic data for 2a, 3a and 4a. See http://www.rsc.org/suppdata/cc/b2/b208419h/
Kobatake, Seiya; Uchida, Kingo; Tsuchida, Eriko; Irie, Masahiro; Chemical Communications  (2002) 2804–; doi:10.1039/b208419h

data_7114410
_publ_section_title
;
 Single-crystalline photochromism of diarylethenes: reactivity???structure
 relationshipElectronic supplementary information (ESI) available: X-ray
 crystallographic data for 2a, 3a and 4a. See
 http://www.rsc.org/suppdata/cc/b2/b208419h/
;
_journal_issue                   23
_journal_name_full               'Chemical Communications'
_journal_page_first              2804
_journal_paper_doi               10.1039/b208419h
_journal_year                    2002
_chemical_formula_sum            'C35 H34 F6 O2 S2'
_chemical_formula_weight         664.74
_chemical_name_systematic
;
1,2-bis(2-isopropyl-4-methyl-5-methoxyphenyl-3-thienyl)perfluorocyclopentene
;
_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                 111.9480(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.5668(11)
_cell_length_b                   14.7276(12)
_cell_length_c                   18.0976(14)
_cell_measurement_reflns_used    8192
_cell_measurement_temperature    304(2)
_cell_volume                     3353.9(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      304(2)
_diffrn_measured_fraction_theta_full 0.958
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0334
_diffrn_reflns_av_sigmaI/netI    0.0218
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            29012
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         2.13
_diffrn_standards_decay_%        1.6
_exptl_absorpt_coefficient_mu    0.222
_exptl_absorpt_correction_T_max  0.936
_exptl_absorpt_correction_T_min  0.907
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
Empirical absorption correction was applied by a
Bruker XPREP program using the value mu*t = 0.055.
;
_exptl_crystal_colour            'Pale yellow '
_exptl_crystal_density_diffrn    1.316
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.303
_refine_diff_density_min         -0.188
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     248
_refine_ls_number_reflns         3887
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0691
_refine_ls_R_factor_gt           0.0447
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0745P)^2^+0.5892P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1220
_refine_ls_wR_factor_ref         0.1345
_reflns_number_gt                2709
_reflns_number_total             3887
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b208419h.txt
_cod_data_source_block           compd4a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Empirical'
changed to 'empirical' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7114410