Diastereoselective cyclization in chiral diarylethene crystals: polymorphism and selectivity.
Yamamoto, Satoshi; Matsuda, Kenji; Irie, Masahiro; Organic letters 5 (2003) 1769–1772; doi:10.1021/ol034440h

data_1507308
_publ_contact_author
;Prof. Masahiro. Irie
Department of Chemistry and Biochemistry
Graduate School of Engineering, Kyushu University
Hakozaki 6-10-1, Higashi-ku, Fukuoka, Japan
;
_publ_section_title
;
 Diastereoselective cyclization in chiral diarylethene crystals:
 polymorphism and selectivity.
;
_journal_issue                   10
_journal_name_full               'Organic letters'
_journal_page_first              1769
_journal_page_last               1772
_journal_paper_doi               10.1021/ol034440h
_journal_volume                  5
_journal_year                    2003
_chemical_formula_sum            'C33 H28 F6 S2'
_chemical_formula_weight         602.67
_chemical_name_systematic
; 
(S,S,S)-1b 
;
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_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.4026(18)
_cell_length_b                   21.482(4)
_cell_length_c                   25.657(5)
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.62
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_cell_volume                     5733.5(18)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.957
_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
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_diffrn_reflns_av_R_equivalents  0.2512
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_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            34862
_diffrn_reflns_theta_full        27.62
_diffrn_reflns_theta_max         27.62
_diffrn_reflns_theta_min         1.24
_diffrn_standards_decay_%        0.48
_exptl_absorpt_coefficient_mu    0.247
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.396
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2496
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
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_refine_diff_density_max         0.435
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.12(17)
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_refine_ls_number_reflns         12421
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_refine_ls_R_factor_all          0.3307
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1154P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1793
_refine_ls_wR_factor_ref         0.2835
_reflns_number_gt                3336
_reflns_number_total             12421
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol034440hsi20030312_101111.cif
_cod_data_source_block           (S,S,S)-1b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        5733.6(17)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1507308