Acta Cryst. (2004). E60, m1484-m1486  [ doi:10.1107/S1600536804023141 ]

catena-Poly[[silver(I)--4,4'-bipyridine-²N:N'] perchlorate]

L.-S. Wang, J.-F. Zhang and S.-P. Yang

Online 25 September 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.006 Å
• R factor = 0.045
• wR factor = 0.133
• Data-to-parameter ratio = 20.2

checkCIF/PLATON results

No syntax errors found



Alert level A
PLAT241_ALERT_2_A Check High   U(eq) as Compared to Neighbors  for         O4     
PLAT241_ALERT_2_A Check High   U(eq) as Compared to Neighbors  for        O4'     

Alert level B
PLAT242_ALERT_2_B Check Low    U(eq) as Compared to Neighbors  for        Cl1     

Alert level C
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT062_ALERT_4_C Rescale T(min) & T(max) by .....................       0.98       
PLAT241_ALERT_2_C Check High   U(eq) as Compared to Neighbors  for        O2'     
PLAT241_ALERT_2_C Check High   U(eq) as Compared to Neighbors  for         O3     
PLAT241_ALERT_2_C Check High   U(eq) as Compared to Neighbors  for        O3'     
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors  for       Cl1'     
PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor ....       2.91       
PLAT301_ALERT_3_C Main Residue  Disorder .........................      10.00 Perc. 
PLAT313_ALERT_2_C Oxygen with three covalent bonds (rare) ........         O1     
PLAT313_ALERT_2_C Oxygen with three covalent bonds (rare) ........        O1'     
PLAT313_ALERT_2_C Oxygen with three covalent bonds (rare) ........         O2     
PLAT313_ALERT_2_C Oxygen with three covalent bonds (rare) ........         O3     
PLAT313_ALERT_2_C Oxygen with three covalent bonds (rare) ........        O3'     

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

   1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
  13 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
   1 ALERT type 4 Improvement, methodology, query or suggestion

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