Acta Cryst. (2006). E62, m1856-m1858  [ doi:10.1107/S1600536806026882 ]

-(⁵,⁵-Methylenedicyclopentadienyl)bis[tricarbonylmolybdenum(II)]

D.-S. Guo, X.-L. Zhang, Y.-H. Gao and J.-P. Ma

Online 18 July 2006

Key indicators

• Single-crystal X-ray study
• T = 298 K
• Mean (C-C) = 0.006 Å
• R factor = 0.032
• wR factor = 0.084
• Data-to-parameter ratio = 13.6

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT029_ALERT_3_C _diffrn_measured_fraction_theta_full Low .......       0.98       
PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent .....          ?
PLAT230_ALERT_2_C Hirshfeld Test Diff for    O3     -   C15     ..       5.26 su    
PLAT232_ALERT_2_C Hirshfeld Test Diff (M-X)  Mo1    -   C14     ..       7.19 su    
PLAT232_ALERT_2_C Hirshfeld Test Diff (M-X)  Mo2    -   C15     ..       7.82 su    
PLAT241_ALERT_2_C Check High      Ueq as Compared to Neighbors for         C2     
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for        Mo2     
PLAT432_ALERT_2_C Short Inter X...Y Contact  C1     ..  C1      ..       3.18 Ang.  

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   8 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
   6 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
   0 ALERT type 4 Improvement, methodology, query or suggestion

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