Enhanced Helical Folding of ortho-Phenylenes through the Control of Aromatic Stacking Interactions.
Mathew, Sanyo; Crandall, Laura A.; Ziegler, Christopher J.; Hartley, C. Scott; Journal of the American Chemical Society  (2014) 141117142844002–; doi:10.1021/ja509902m

data_4122949
_publ_section_title
;
 Enhanced Helical Folding of ortho-Phenylenes through the Control of
 Aromatic Stacking Interactions.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              141117142844002
_journal_paper_doi               10.1021/ja509902m
_journal_year                    2014
_chemical_formula_sum            'C70 H32 F30 O30 S10'
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_atom_sites_solution_primary     direct
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_cell_angle_beta                 81.434(2)
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_cell_length_b                   15.7919(7)
_cell_length_c                   22.1467(9)
_cell_measurement_temperature    100(2)
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_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.947
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_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            White
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_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2244
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_cod_data_source_file            ja509902m_si_005.cif
_cod_data_source_block           p1_sq_d
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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 

The following automatic conversions were performed:

'_symmetry_cell_setting' tag value 'Tricilinic' was replaced with
'triclinic' value as specified in the replacement file
'/home/robertas/cod-tools/perl-scripts/inputs/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4122949