Enantioselective Synthesis of [6]Carbohelicenes.
González-Fernández, Elisa; Nicholls, Leo D. M.; Schaaf, Lukas D.; Farès, Christophe; Lehmann, Christian W.; Alcarazo, Manuel; Journal of the American Chemical Society 139 (2017) 1428–1431; doi:10.1021/jacs.6b12443

data_4125592
_publ_section_title
;
 Enantioselective Synthesis of [6]Carbohelicenes.
;
_journal_issue                   4
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1428
_journal_page_last               1431
_journal_paper_doi               10.1021/jacs.6b12443
_journal_volume                  139
_journal_year                    2017
_chemical_absolute_configuration rmad
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Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
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_diffrn_measurement_device_type  'Bruker-AXS Kappa Mach3 APEX-II'
_diffrn_measurement_method       'CCD \f- and \w-scans'
_diffrn_radiation_monochromator  'Incoatec Helios mirrors'
_diffrn_radiation_source         1\mS
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_exptl_crystal_colour            yellow
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0952P)^2^+0.8063P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_number_total             7946
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'TRICLINIC' changed to 'triclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 4125591--4125593.cif.
;
_cod_original_sg_symbol_Hall     '-p 1'
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_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C19(H19), C16(H16), C18(H18), C11(H11), C10(H10), C25(H25), C8(H8), C7(H7),
 C2(H2), C17(H17), C1(H1), C26(H26), C13(H13), C32(H32), C30(H30), C5(H5),
 C31(H31), C28(H28), C29(H29), C37(H37), C38(H38), C34(H34), C36(H36), C35(H35)
;
_shelx_res_checksum              34122
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_olex2_submission_special_instructions 'No special instructions were received'