[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o1597
[ doi:10.1107/S1600536813026342 ]

Anthracene-1,4,9,10-tetra­one

C. Kitamura and T. Kawase


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C RINTA01_ALERT_3_C The value of Rint is greater than 0.12 Rint given 0.126 PLAT026_ALERT_3_C Ratio Observed / Unique Reflections too Low .... 46 % PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor .... 2.1 Note PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0057 Ang. PLAT790_ALERT_4_C Centre of Gravity not Within Unit Cell: Resd. # 1 C14 H6 O4 PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 15.760 Check PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 3.348 Check PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 2.128 Check PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 9 Why ? PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 2
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF Please Do ! PLAT128_ALERT_4_G Alternate Setting for Input Space-Group C2/c I2/a Note PLAT301_ALERT_3_G Main Residue Disorder ............ Percentage = 4 Note PLAT333_ALERT_2_G Check Large Av C6-Ring C-C Dist. C2C -C7C 1.45 Ang. PLAT335_ALERT_2_G Check Large C6 Ring C-C Range C2C -C7C 0.18 Ang. PLAT335_ALERT_2_G Check Large C6 Ring C-C Range C1A -C14A 0.16 Ang. PLAT335_ALERT_2_G Check Large C6 Ring C-C Range C2A -C7A 0.17 Ang. PLAT335_ALERT_2_G Check Large C6 Ring C-C Range C1B -C14B 0.16 Ang. PLAT335_ALERT_2_G Check Large C6 Ring C-C Range C2B -C7B 0.17 Ang. PLAT720_ALERT_4_G Number of Unusual/Non-Standard Labels .......... 4 PLAT790_ALERT_4_G Centre of Gravity not Within Unit Cell: Resd. # 2 C14 H6 O4 PLAT790_ALERT_4_G Centre of Gravity not Within Unit Cell: Resd. # 3 C14 H6 O4 PLAT860_ALERT_3_G Number of Least-Squares Restraints ............. 4 Note PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 11
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 10 ALERT level C = Check. Ensure it is not caused by an omission or oversight 14 ALERT level G = General information/check it is not something unexpected 0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 7 ALERT type 2 Indicator that the structure model may be wrong or deficient 10 ALERT type 3 Indicator that the structure quality may be low 6 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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