Acta Cryst. (2004). E60, m611-m613  [ doi:10.1107/S1600536804008876 ]

Bis(4,5-diazafluoren-9-one)dicyanamidocopper(II)

H.-J. Yang, H.-Z. Kou, F. Gao, A.-L. Cui and R.-J. Wang

Online 24 April 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.006 Å
• R factor = 0.043
• wR factor = 0.102
• Data-to-parameter ratio = 11.7

checkCIF/PLATON results

No syntax errors found



Alert level A
PLAT052_ALERT_1_A (Proper) Absorption Correction Method Missing ..          ?

Alert level B
PLAT242_ALERT_2_B Check Low    U(eq) as Compared to Neighbors ....        C13     

Alert level C
PLAT230_ALERT_2_C Hirshfeld Test Diff for    N4     -   C12     ..       5.69 su    
PLAT241_ALERT_2_C Check High   U(eq) as Compared to Neighbors ....         N3     
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors ....        C12     
PLAT480_ALERT_4_C Long H...A H-Bond Reported H9A    ..  N5      ..       2.69 Ang.  

   1 ALERT level A = In general: serious problem
   1 ALERT level B = Potentially serious problem
   4 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
   1 ALERT type 4 Improvement, methodology, query or suggestion

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