Acta Cryst. (2003). E59, m715-m716  [ doi:10.1107/S1600536803017392 ]

trans-Bis(3-hydroxy-2-phenyl-4H-1-benzopyran-4-onato)bis(pyridine)copper(II)

N. Okabe, E. Yamamoto and M. Yasunori

Online 8 August 2003

Key indicators

• Single-crystal X-ray study
• T = 296 K
• Mean (C-C) = 0.005 Å
• R factor = 0.043
• wR factor = 0.152
• Data-to-parameter ratio = 16.3

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT232_ALERT_2_B Hirshfeld Test Diff (M-X)  Cu1    -   O2     =      11.62 su      

Alert level C
PLAT094_ALERT_2_C Ratio of Maximum / Minimum Residual Density ..       2.33         

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

   0 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
   0 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion

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