[Open access]

[Contents scheme]

Acta Cryst. (2014). E70, o510-o511
[ doi:10.1107/S160053681400645X ]

2,2'-[2,4-Bis(naphthalen-1-yl)cyclo­butane-1,3-di­yl]bis­(1-methyl­pyridinium) bis­(4-chloro­benzene­sulfonate): thermal-induced [2 + 2] cyclo­addition reaction of a heterostilbene

S. Chantrapromma, K. Chanawanno, N. Boonnak and H.-K. Fun


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 4 Why ?
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF Please Do ! PLAT066_ALERT_1_G Predicted and Reported Tmin&Tmax Range Identical ? Check PLAT154_ALERT_1_G The su's on the Cell Angles are Equal .......... 0.00200 Degree PLAT793_ALERT_4_G The Model has Chirality at C17 ............. R Verify PLAT910_ALERT_3_G Missing # of FCF Reflections Below Th(Min) ..... 1 Why ? PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 5 Note PLAT960_ALERT_3_G Number of Intensities with I < - 2*sig(I) ... 14 Check
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 1 ALERT level C = Check. Ensure it is not caused by an omission or oversight 7 ALERT level G = General information/check it is not something unexpected 2 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 0 ALERT type 2 Indicator that the structure model may be wrong or deficient 3 ALERT type 3 Indicator that the structure quality may be low 2 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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