Acta Cryst. (2003). E59, o412-o414  [ doi:10.1107/S1600536803004379 ]

Methyl 4-amino-2-oxo-1,2-dihydroquinoline-3-carboxylate

V. B. Rybakov, V. V. Chernyshev, I. V. Ukrainets, P. A. Bezugly, L. V. Sidorenko and N. Skaif

Online 7 March 2003

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.005 Å
• R factor = 0.045
• wR factor = 0.119
• Data-to-parameter ratio = 12.3

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



PLAT_731  Alert C Bond    Calc    1.251(4), Rep  1.2509(19) ....       2.11 su-Ratio
                     C2   -O21     1.555   1.555

PLAT_731  Alert C Bond    Calc    1.445(5), Rep    1.445(2) ....       2.50 su-Ratio
                     C2   -C3      1.555   1.555

PLAT_731  Alert C Bond    Calc    1.470(5), Rep    1.470(2) ....       2.50 su-Ratio
                     C3   -C31     1.555   1.555

PLAT_731  Alert C Bond    Calc    1.457(5), Rep    1.457(2) ....       2.50 su-Ratio
                     C4   -C5      1.555   1.555

PLAT_731  Alert C Bond    Calc    1.403(5), Rep    1.403(2) ....       2.50 su-Ratio
                     C5   -C6      1.555   1.555

PLAT_731  Alert C Bond    Calc    1.366(5), Rep    1.366(2) ....       2.50 su-Ratio
                     C8   -C9      1.555   1.555

PLAT_731  Alert C Bond    Calc    1.443(5), Rep    1.443(2) ....       2.50 su-Ratio
                     O32  -C34     1.555   1.555


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 7 Alert Level C = Please check

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