Acta Cryst. (2003). E59, o572-o573  [ doi:10.1107/S1600536803004860 ]

Methyl ()-(1,2,8,9,10)-2-chloro-4-aza-3-oxatetracyclo[8.4.0.0^2,9.0^4,8]tetradecane-9-carboxylate oxalic acid monohydrate

D. S. Yufit, J. A. K. Howard, S. I. Kozhushkov, S. Masini, A. Brandi and A. Meijere

Online 31 March 2003

Key indicators

• Single-crystal X-ray study
• T = 120 K
• Mean (C-C) = 0.002 Å
• R factor = 0.033
• wR factor = 0.085
• Data-to-parameter ratio = 14.4

checkCIF results

No syntax errors found



ADDSYM reports no extra symmetry


 Alert Level A:



PLAT_353  Alert A Long    N-H Bond (0.87A)   N1     -   H7O    =       1.34 Ang.


 Alert Level C:



PLAT_369  Alert C Long   C(sp2)-C(sp2) Bond  C15    -   C16    =       1.55 Ang.


 1 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check

Copyright © International Union of Crystallography
IUCr Webmaster