Acta Cryst. (2011). E67, m629  [ doi:10.1107/S1600536811014516 ]

Tris(⁵-cyclopentadienyl)hafnium(III)

V. V. Burlakov, P. Arndt, A. Spannenberg and U. Rosenthal

Online 22 April 2011

Key indicators

• Single-crystal X-ray study
• T = 150 K
• Mean (C-C) = 0.010 Å
• R factor = 0.034
• wR factor = 0.076
• Data-to-parameter ratio = 13.4

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT021_ALERT_1_C Ratio Unique / Expected Reflections too High ...       1.01      
PLAT342_ALERT_3_C Low Bond Precision on  C-C Bonds (x 1000) Ang ..         10      

Alert level G
PLAT083_ALERT_2_G SHELXL Second Parameter in WGHT Unusually Large.       5.61      
PLAT152_ALERT_1_G The Supplied and Calc. Volume s.u. Differ by ...         -2 Units
PLAT909_ALERT_3_G Percentage of Observed Data at Theta(Max) still          83 Perc.

   0 ALERT level A = Most likely a serious problem - resolve or explain
   0 ALERT level B = A potentially serious problem, consider carefully
   2 ALERT level C = Check. Ensure it is not caused by an omission or oversight
   3 ALERT level G = General information/check it is not something unexpected

   2 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   1 ALERT type 2 Indicator that the structure model may be wrong or deficient
   2 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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