[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o843
[ doi:10.1107/S1600536813012038 ]

3-(Ammoniomethyl)pyridinium bis(perchlorate)

I. Bayar, R. Kefi, P. Sidonio Pereira da Silva, M. Ramos Silva and C. Ben Nasr

Key indicators

checkCIF/PLATON results

No syntax errors found

Datablock: I

Alert level C PLAT213_ALERT_2_C Atom O3 has ADP max/min Ratio ..... 3.4 prola PLAT480_ALERT_4_C Long H...A H-Bond Reported H2B .. CL2 .. 2.96 Ang. PLAT480_ALERT_4_C Long H...A H-Bond Reported H2C .. CL1 .. 2.97 Ang. PLAT976_ALERT_2_C Negative Residual Density at 0.85A from O2 . -0.58 eA-3
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT007_ALERT_5_G Note: Number of Unrefined Donor-H Atoms ........ 4 PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature 293 K PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature 293 K PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 4
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 4 ALERT level C = Check. Ensure it is not caused by an omission or oversight 5 ALERT level G = General information/check it is not something unexpected 2 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 3 ALERT type 4 Improvement, methodology, query or suggestion 2 ALERT type 5 Informative message, check

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