Linear and star-shaped benzimidazolyl derivatives: syntheses, photophysical properties and use as highly efficient electron transport materials in OLEDs.
White, Wade; Hudson, Zachary M.; Feng, Xiaodong; Han, Sijin; Lu, Zheng-Hong; Wang, Suning; Dalton transactions (Cambridge, England : 2003) 39 (2010) 892–899; doi:10.1039/b918203a

data_7024528
_publ_section_title
;
 Linear and star-shaped benzimidazolyl derivatives: syntheses,
 photophysical properties and use as highly efficient electron transport
 materials in OLEDs.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              892
_journal_page_last               899
_journal_paper_doi               10.1039/b918203a
_journal_volume                  39
_journal_year                    2010
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 90.886(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.548(6)
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_cell_measurement_temperature    296(2)
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_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      296(2)
_diffrn_measured_fraction_theta_full 0.898
_diffrn_measured_fraction_theta_max 0.898
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
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_diffrn_reflns_limit_h_min       -25
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_exptl_absorpt_correction_T_max  0.9959
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_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'thing plate'
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0299P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_cod_data_source_file            b918203a.txt
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_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multiscan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        1909.6(10)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7024528