Acta Cryst. (2006). E62, o4543-o4544  [ doi:10.1107/S160053680603755X ]

Bis(2,6-diaminopyridinium) oxalate dihydrate

M. Odabasoglu and O. Büyükgüngör

Online 20 September 2006

Key indicators

• Single-crystal X-ray study
• T = 296 K
• Mean (C-C) = 0.002 Å
• R factor = 0.032
• wR factor = 0.089
• Data-to-parameter ratio = 10.3

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT041_ALERT_1_C Calc. and Rep. SumFormula Strings    Differ ....          ?
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT045_ALERT_1_C Calculated and Reported Z Differ by ............       2.00 Ratio
PLAT063_ALERT_3_C Crystal Probably too Large for Beam Size .......       0.65 mm   
PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent .....          ?
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for         C6     
PLAT369_ALERT_2_C Long   C(sp2)-C(sp2) Bond  C6     -   C6_a   ...       1.55 Ang. 

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   7 ALERT level C = Check and explain
   0 ALERT level G = General alerts; check

   4 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   2 ALERT type 2 Indicator that the structure model may be wrong or deficient
   1 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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