After 118 years, the isolation of two common radical anion reductants as simple, stable solids.
Scott, Thomas A; Ooro, Betty A; Collins, David J; Shatruk, Michael; Yakovenko, Andrey; Dunbar, Kim R; Zhou, Hong-Cai; Chemical communications (Cambridge, England) 34 (2008) 65–67; doi:10.1039/b815272a

data_7104107
_publ_section_title
;
 After 118 years, the isolation of two common radical anion reductants
 as simple, stable solids.
;
_journal_issue                   1
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              65
_journal_page_last               67
_journal_paper_doi               10.1039/b815272a
_journal_volume                  34
_journal_year                    2008
_chemical_formula_moiety         '(K 1+), (C13 H10 O 1-)'
_chemical_formula_sum            'C13 H10 K O'
_chemical_formula_weight         221.31
_chemical_name_common            'potassium benzophenone ketyl'
_chemical_name_systematic
;
?
;
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_computing_cell_refinement       'SAINTPlus (Bruker, 1998a)'
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_computing_structure_solution    'SHELXTL ver. 5.1 (Sheldrick, 1998b)'
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_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            5597
_diffrn_reflns_theta_full        25.06
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_exptl_absorpt_coefficient_mu    0.475
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_exptl_absorpt_correction_T_min  0.9283
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1998a)'
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_exptl_crystal_density_diffrn    1.411
_exptl_crystal_density_meas      ?
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_exptl_crystal_description       needle
_exptl_crystal_F_000             920
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0300P)^2^+0.5000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_number_gt                1312
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_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b815272a.txt
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_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_Hall     I-4
_cod_original_sg_symbol_H-M      I-4
_cod_database_code               7104107