Synthesis and properties of isomerically pure anthrabisbenzothiophenes.
Lehnherr, Dan; Hallani, Rawad; McDonald, Robert; Anthony, John E.; Tykwinski, Rik R.; Organic letters 14 (2012) 62–65; doi:10.1021/ol202843x

data_1503486
_publ_section_title
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 Synthesis and properties of isomerically pure anthrabisbenzothiophenes.
;
_journal_issue                   1
_journal_name_full               'Organic letters'
_journal_page_first              62
_journal_page_last               65
_journal_paper_doi               10.1021/ol202843x
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C54 H66 S2 Si2'
_chemical_formula_sum            'C54 H66 S2 Si2'
_chemical_formula_weight         835.37
_chemical_name_systematic
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 ? 
;
_space_group_IT_number           2
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_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                88.4584(13)
_cell_angle_beta                 85.4059(14)
_cell_angle_gamma                89.7663(13)
_cell_formula_units_Z            4
_cell_length_a                   11.1453(11)
_cell_length_b                   16.4944(16)
_cell_length_c                   26.181(3)
_cell_measurement_reflns_used    9974
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.29
_cell_measurement_theta_min      2.21
_cell_volume                     4795.8(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXD (Schneider & Sheldrick, 2002)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
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_diffrn_reflns_av_sigmaI/netI    0.0671
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            18532
_diffrn_reflns_theta_full        25.90
_diffrn_reflns_theta_max         25.90
_diffrn_reflns_theta_min         1.23
_exptl_absorpt_coefficient_mu    0.196
_exptl_absorpt_correction_T_max  0.9813
_exptl_absorpt_correction_T_min  0.8978
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'TWINABS (Sheldrick, 2008)'
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.157
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1800
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.598
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_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
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_refine_ls_number_reflns         18532
_refine_ls_number_restraints     51
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.1007
_refine_ls_R_factor_gt           0.0599
_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^)+(0.0622P)^2^+2.7571P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1313
_refine_ls_wR_factor_ref         0.1527
_reflns_number_gt                12672
_reflns_number_total             18532
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol202843x_si_001.cif
_cod_data_source_block           5b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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        4795.7(8)
_cod_database_code               1503486