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Acta Cryst. (2005). E61, o2679-o2681  [ doi:10.1107/S1600536805022828 ]

2-{[N-(Pyridinium-2-ylmethyl)-N-(pyridin-2-ylmethyl)amino]methyl}-1-(pyridin-2-ylmethyl)pyridinium diperchlorate

L. M. D. Ariyananda and R. E. Norman

Online 23 July 2005


Key indicators

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Alert level B PLAT222_ALERT_3_B Large Non-Solvent H Ueq(max)/Ueq(min) ... 4.64 Ratio
Alert level C PLAT062_ALERT_4_C Rescale T(min) & T(max) by ..................... 1.02 PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent ..... ? PLAT220_ALERT_2_C Large Non-Solvent C Ueq(max)/Ueq(min) ... 2.62 Ratio PLAT221_ALERT_4_C Large Solvent/Anion O Ueq(max)/Ueq(min) ... 3.52 Ratio PLAT244_ALERT_4_C Low 'Solvent' Ueq as Compared to Neighbors for Cl1 PLAT244_ALERT_4_C Low 'Solvent' Ueq as Compared to Neighbors for Cl2 PLAT340_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ... 5 PLAT432_ALERT_2_C Short Inter X...Y Contact O8 .. C7 .. 2.94 Ang. PLAT790_ALERT_4_C Centre of Gravity not Within Unit Cell: Resd. # 2 Cl O4
0 ALERT level A = In general: serious problem 1 ALERT level B = Potentially serious problem 9 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 2 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 5 ALERT type 4 Improvement, methodology, query or suggestion

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