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Acta Cryst. (2006). E62, o5089-o5091  [ doi:10.1107/S1600536806042322 ]

The 1:1 proton-transfer compound of 8-quinolinol (oxine) with pyrazine-2,3-dicarboxylic acid: 8-hydroxyquinolinium 3-carboxypyrazine-2-carboxylate dihydrate

G. Smith, U. D. Wermuth, P. C. Healy and J. M. White

Online 18 October 2006


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Alert level C PLAT417_ALERT_2_C Short Inter D-H..H-D H8A .. H22W .. 2.14 Ang. PLAT417_ALERT_2_C Short Inter D-H..H-D H8B .. H12W .. 2.12 Ang. PLAT790_ALERT_4_C Centre of Gravity not Within Unit Cell: Resd. # 6 H2 O
0 ALERT level A = In general: serious problem 0 ALERT level B = Potentially serious problem 3 ALERT level C = Check and explain 0 ALERT level G = General alerts; check 0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 2 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 0 ALERT type 5 Informative message, check

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