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Acta Cryst. (2013). E69, o1301-o1302  [ doi:10.1107/S1600536813019727 ]

N2-(4-Methoxysalicylidene)arginine hemihydrate

M. Sethuram, G. Bhargavi, M. Dhandapani, G. Amirthaganesan and M. NizamMohideen


Key indicators

checkCIF/PLATON results

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Alert level C STRVA01_ALERT_4_C Flack test results are meaningless. From the CIF: _refine_ls_abs_structure_Flack 0.100 From the CIF: _refine_ls_abs_structure_Flack_su 1.400 PLAT041_ALERT_1_C Calc. and Reported SumFormula Strings Differ ? Check PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0048 Ang. PLAT417_ALERT_2_C Short Inter D-H..H-D H1 .. H2W .. 2.11 Ang. PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 5.226 PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 2.239 PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 1
Alert level G PLAT002_ALERT_2_G Number of Distance or Angle Restraints on AtSite 19 PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? Do ! PLAT007_ALERT_5_G Note: Number of Unrefined Donor-H Atoms ........ 2 PLAT032_ALERT_4_G Std. Uncertainty on Flack Parameter Value High . 1.400 PLAT042_ALERT_1_G Calc. and Reported MoietyFormula Strings Differ ? Check PLAT045_ALERT_1_G Calculated and Reported Z Differ by ............ 0.50 Ratio PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature 293 K PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature 293 K PLAT791_ALERT_4_G Note: The Model has Chirality at C9 (Verify) S PLAT791_ALERT_4_G Note: The Model has Chirality at C23 (Verify) S PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 14 PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 186
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 7 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 5 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 5 ALERT type 3 Indicator that the structure quality may be low 5 ALERT type 4 Improvement, methodology, query or suggestion 2 ALERT type 5 Informative message, check

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