[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o659
[ doi:10.1107/S1600536813008623 ]

2,3-Dimethoxy-10-oxostrychnidinium hydrogen oxalate dihydrate

P. Krishnan, K. Gayathri, N. Sivakumar, G. Chakkaravarthi and G. Anbalagan


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT244_ALERT_4_C Low 'Solvent' Ueq as Compared to Neighbors of C24 PLAT244_ALERT_4_C Low 'Solvent' Ueq as Compared to Neighbors of C25 PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor .... 2.9 PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 1 PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 7
Alert level G PLAT002_ALERT_2_G Number of Distance or Angle Restraints on AtSite 10 PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT791_ALERT_4_G Note: The Model has Chirality at N2 (Verify) S PLAT791_ALERT_4_G Note: The Model has Chirality at C7 (Verify) S PLAT791_ALERT_4_G Note: The Model has Chirality at C8 (Verify) S PLAT791_ALERT_4_G Note: The Model has Chirality at C11 (Verify) S PLAT791_ALERT_4_G Note: The Model has Chirality at C12 (Verify) R PLAT791_ALERT_4_G Note: The Model has Chirality at C13 (Verify) R PLAT791_ALERT_4_G Note: The Model has Chirality at C15 (Verify) S PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 7 PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 40
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 5 ALERT level C = Check. Ensure it is not caused by an omission or oversight 11 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 3 ALERT type 3 Indicator that the structure quality may be low 10 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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