Energetic Materials: the Biguanidium Nitrates
Martin, A.; Pinkerton, A. A.; Schiemann, A.; Acta Crystallographica Section C 52 (1996) 966–970; doi:10.1107/S0108270195012200

data_2004686
_publ_section_title
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 Energetic Materials: the Biguanidium Nitrates
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_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              966
_journal_page_last               970
_journal_paper_doi               10.1107/S0108270195012200
_journal_volume                  52
_journal_year                    1996
_chemical_formula_iupac          'C2 H9 N5 2+, 2N O3 1-'
_chemical_formula_structural     'C2 H9 N5 2+, 2N O3 1-'
_chemical_formula_sum            'C2 H9 N7 O6'
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_cell_angle_beta                 90.00
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_computing_molecular_graphics    CAChe_(CAChe_Scientific,_1993)
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_exptl_absorpt_coefficient_mu    0.157
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_exptl_absorpt_correction_type   '\y scans (North, Phillips & Mathews, 1968)'
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;
?
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_refine_ls_weighting_details     'w = 4Fo^2^/[\s^2^(Fo^2^) + 0.0064Fo^4^]'
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_reflns_observed_criterion       >3\s(I)
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_cod_depositor_comments
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The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value '4Fo^2^/[\s^2^(Fo^2^) +
0.0064Fo^4^]' was changed to 'calc'. New tag
'_refine_ls_weighting_details' was created. The value of the new tag
was set to 'w = 4Fo^2^/[\s^2^(Fo^2^) + 0.0064Fo^4^]'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        864.4(2)
_cod_database_code               2004686