Key Intermediates in the Synthesis of 2,2'-Biphosphole
Tissot, Olivier; Gouygou, Maryse; Daran, Jean-Claude; Balavoine, Gilbert; Acta Crystallographica Section C 54 (1998) 676–679; doi:10.1107/S0108270197018179

data_2007275
_publ_section_title
;
 Key Intermediates in the Synthesis of 2,2'-Biphosphole
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              676
_journal_page_last               679
_journal_paper_doi               10.1107/S0108270197018179
_journal_volume                  54
_journal_year                    1998
_chemical_formula_moiety         ' C12 H13 Br2 P S '
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_chemical_name_systematic
;
  1-phenyl-2,5-dibromo-3,4-dimethyl-2,5-dihydrophosphole sulfide
;
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_computing_molecular_graphics    ' CAMERON (Watkin et al., 1996)'
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'w = 1/[\s^2^(Fo^2^)+(0.0424P)^2^+9.9777P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_bond_publ_flag' value 'YES' changed to 'yes' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (18 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_geom_bond_publ_flag' value 'YES' changed to 'yes' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (18
times).

'_geom_angle_publ_flag' value 'YES' changed to 'yes'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (36
times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

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:

'_refine_ls_weighting_scheme' value 'calc w =
1/[\s^2^(Fo^2^)+(0.0424P)^2^+9.9777P] where P=(Fo^2^+2Fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to 'w =
1/[\s^2^(Fo^2^)+(0.0424P)^2^+9.9777P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        2837.1(8)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        ' C12 H13 Br2 P S '
_cod_database_code               2007275