[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o1512
[ doi:10.1107/S1600536813022447 ]

1,2:5,6-Di-O-isopropylidene-3-C-methyl-[alpha]-D-allofuranose

L. da S. M. Forezi, M. M. P. Silva, F. da C. Santos, V. F. Ferreira and M. C. B. V. de Souza


Key indicators

checkCIF/PLATON results

No syntax errors found



Datablock: I



Alert level B PLAT220_ALERT_2_B Large Non-Solvent C Ueq(max)/Ueq(min) ... 4.6 Ratio
Alert level C PLAT222_ALERT_3_C Large Non-Solvent H Uiso(max)/Uiso(min) .. 4.7 Ratio PLAT241_ALERT_2_C Check High Ueq as Compared to Neighbors for O1 PLAT241_ALERT_2_C Check High Ueq as Compared to Neighbors for O6 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C7 PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C8 PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0070 Ang. PLAT601_ALERT_2_C Structure Contains Solvent Accessible VOIDS of . 36 Ang3 PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 2
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? Do ! PLAT007_ALERT_5_G Note: Number of Unrefined Donor-H Atoms ........ 1 PLAT032_ALERT_4_G Std. Uncertainty on Flack Parameter Value High . 0.500 PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature 293 K PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature 293 K PLAT301_ALERT_3_G Note: Main Residue Disorder ................... 11 % PLAT791_ALERT_4_G Note: The Model has Chirality at C1 (Verify) R PLAT791_ALERT_4_G Note: The Model has Chirality at C2 (Verify) R PLAT791_ALERT_4_G Note: The Model has Chirality at C3 (Verify) R PLAT791_ALERT_4_G Note: The Model has Chirality at C4 (Verify) R PLAT791_ALERT_4_G Note: The Model has Chirality at C5 (Verify) R PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 8
0 ALERT level A = Most likely a serious problem - resolve or explain 1 ALERT level B = A potentially serious problem, consider carefully 8 ALERT level C = Check. Ensure it is not caused by an omission or oversight 12 ALERT level G = General information/check it is not something unexpected 2 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 6 ALERT type 2 Indicator that the structure model may be wrong or deficient 5 ALERT type 3 Indicator that the structure quality may be low 6 ALERT type 4 Improvement, methodology, query or suggestion 2 ALERT type 5 Informative message, check

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