Acta Cryst. (2004). E60, m548-m550  [ doi:10.1107/S1600536804007780 ]

Bis[bis(12-crown-4)potassium] hexaiodotetracuprate(I)

H. Paulsson, A. Fischer and L. Kloo

Online 9 April 2004

Key indicators

• Single-crystal X-ray study
• T = 150 K
• Mean (C-C) = 0.006 Å
• R factor = 0.027
• wR factor = 0.061
• Data-to-parameter ratio = 22.8

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT141_ALERT_4_C su on a - Axis Small or Missing (x 100000) .....         10 Ang.  
PLAT142_ALERT_4_C su on b - Axis Small or Missing (x 100000) .....         10 Ang.  
PLAT145_ALERT_4_C su on beta     Small or Missing  (x 10000) .....          4 Deg.  
PLAT146_ALERT_4_C su on gamma    Small or Missing  (x 10000) .....          4 Deg.  
PLAT241_ALERT_2_C Check High   U(eq) as Compared to Neighbors ....        Cu3     
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors ....         I5     
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors ....         I6     
PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor ....       2.64       
PLAT764_ALERT_4_C Overcomplete CIF Bond List Detected (Rep/Expd) .       1.23 Ratio 

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
  10 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
   4 ALERT type 2 Indicator that the structure model may be wrong or deficient
   0 ALERT type 3 Indicator that the structure quality may be low
   5 ALERT type 4 Improvement, methodology, query or suggestion

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