[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o1811
[ doi:10.1107/S1600536813031140 ]

(-)-Benzyl 2,3-dide­oxy-[beta]-D-erythro-hex-2-eno­pyran­oside

S. Ohba, H. Okazaki, Y. Ueda, K. Hanaya, M. Shoji and T. Sugai

Key indicators

checkCIF/PLATON results

No syntax errors found

Alert level B PLAT234_ALERT_4_B Large Hirshfeld Difference C14A -- C15A .. 0.26 Ang.
Alert level C RFACR01_ALERT_3_C The value of the weighted R factor is > 0.25 Weighted R factor given 0.255 PLAT234_ALERT_4_C Large Hirshfeld Difference C13A -- C14A .. 0.20 Ang. PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0092 Ang. PLAT905_ALERT_3_C Negative K value in the Analysis of Variance ... -1.383 PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 8 Why ? PLAT913_ALERT_3_C Missing # of Very Strong Reflections in FCF .... 1
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF Please Do ! PLAT007_ALERT_5_G Number of Unrefined Donor-H Atoms .............. 2 Why ? PLAT072_ALERT_2_G SHELXL First Parameter in WGHT Unusually Large. 0.15 PLAT230_ALERT_2_G Hirshfeld Test Diff for C15A -- C16A .. 6.0 su PLAT301_ALERT_3_G Main Residue Disorder ............ Percentage = 47 Note PLAT791_ALERT_4_G The Model has Chirality at C6 (Verify) R PLAT791_ALERT_4_G The Model has Chirality at C7 (Verify) R PLAT811_ALERT_5_G No ADDSYM Analysis: Too Many Excluded Atoms .... ! Info PLAT860_ALERT_3_G Number of Least-Squares Restraints ............. 33 Note
0 ALERT level A = Most likely a serious problem - resolve or explain 1 ALERT level B = A potentially serious problem, consider carefully 6 ALERT level C = Check. Ensure it is not caused by an omission or oversight 9 ALERT level G = General information/check it is not something unexpected 0 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 7 ALERT type 3 Indicator that the structure quality may be low 4 ALERT type 4 Improvement, methodology, query or suggestion 3 ALERT type 5 Informative message, check
checkCIF publication errors
Alert level A PUBL024_ALERT_1_A The number of authors is greater than 5. Please specify the role of each of the co-authors for your paper.
Author Response: The role of each of the co-authors is as follows. Shigeru Ohba: X-ray crystal structure analysis, Hayato Okazaki: synthesis and crystallization of the compound, Yuji Ueda: synthesis and crystallization of the compound, Kengo Hanaya: synthesis and crystallization of the compound, Mitsuru Shoji: synthesis and crystallization of the compound, Takeshi Sugai: synthesis and crystallization of the compound.

1 ALERT level A = Data missing that is essential or data in wrong format 0 ALERT level G = General alerts. Data that may be required is missing

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