Acta Cryst. (2004). E60, m1444-m1446  [ doi:10.1107/S1600536804022780 ]

Bis(2-aminopyridine-N¹)silver(I) perchlorate

B. Deng, Z.-D. Liu, X.-Y. Liu, M.-Y. Tan and H.-L. Zhu

Key indicators

• Single-crystal X-ray study
• T = 298 K
• Mean (C-C) = 0.011 Å
• Disorder in solvent or counterion
• R factor = 0.055
• wR factor = 0.174
• Data-to-parameter ratio = 11.1

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT076_ALERT_1_C Occupancy       0.50 less than 1.0 for Sp.pos  .         O2       
PLAT076_ALERT_1_C Occupancy       0.50 less than 1.0 for Sp.pos  .        O2'       
PLAT243_ALERT_4_C High Solvent U(eq) as Compared to Neighbors  for        O2'     
PLAT243_ALERT_4_C High Solvent U(eq) as Compared to Neighbors  for         O3     
PLAT243_ALERT_4_C High Solvent U(eq) as Compared to Neighbors  for        O3'     
PLAT244_ALERT_4_C Low  Solvent U(eq) as Compared to Neighbors  for        Cl1     
PLAT244_ALERT_4_C Low  Solvent U(eq) as Compared to Neighbors  for         O2     
PLAT302_ALERT_4_C Anion/Solvent Disorder .........................      38.00 Perc. 
PLAT313_ALERT_2_C Oxygen with three covalent bonds (rare) ........         O3     
PLAT313_ALERT_2_C Oxygen with three covalent bonds (rare) ........        O3'     
PLAT342_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...         11       
PLAT480_ALERT_4_C Long H...A H-Bond Reported H2A    ..  O1      ..       2.65 Ang.  

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

   2 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
   7 ALERT type 4 Improvement, methodology, query or suggestion

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