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Acta Cryst. (2005). E61, m1590-m1592  [ doi:10.1107/S1600536805022506 ]

[pi]-[pi] Stacking in bis(quinolinium) tetrachlorozincate dihydrate

J. Valdés-Martínez, O. Muñoz and R. A. Toscano

Online 20 July 2005

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Alert level C PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ .... ? PLAT094_ALERT_2_C Ratio of Maximum / Minimum Residual Density .... 2.31 PLAT164_ALERT_4_C Nr. of Refined C-H H-Atoms in Heavy-At Struct... 7 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for Zn1 PLAT350_ALERT_3_C Short C-H Bond (0.96A) C5 - H5 ... 0.84 Ang. PLAT417_ALERT_2_C Short Inter D-H..H-D H1 .. H1A .. 2.11 Ang.
Alert level G ABSTM02_ALERT_3_G The ratio of expected to reported Tmax/Tmin(RR') is < 0.90 Tmin and Tmax reported: 0.664 0.820 Tmin(prime) and Tmax expected: 0.715 0.758 RR(prime) = 0.859 Please check that your absorption correction is appropriate.
0 ALERT level A = In general: serious problem 0 ALERT level B = Potentially serious problem 6 ALERT level C = Check and explain 1 ALERT level G = General alerts; check 1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 3 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 1 ALERT type 4 Improvement, methodology, query or suggestion

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