Acta Cryst. (2010). E66, m109-m110  [ doi:10.1107/S1600536809054439 ]

Diguanidinium bis(-2-hydroxypropane-1,2,3-tricarboxylato)bis[diaquazincate(II)] dihydrate

M. T. M. Al-Dajani, H. H. Abdallah, N. Mohamed, C. S. Yeap and H.-K. Fun

Online 9 January 2010

Key indicators

• Single-crystal X-ray study
• T = 296 K
• Mean (C-C) = 0.002 Å
• R factor = 0.031
• wR factor = 0.084
• Data-to-parameter ratio = 40.5

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT232_ALERT_2_C Hirshfeld Test Diff (M-X)  Zn1    --  O3      ..       6.28 su   
PLAT232_ALERT_2_C Hirshfeld Test Diff (M-X)  Zn1    --  O3W     ..       5.60 su   
PLAT232_ALERT_2_C Hirshfeld Test Diff (M-X)  Zn1    --  O4      ..       5.24 su   
PLAT232_ALERT_2_C Hirshfeld Test Diff (M-X)  Zn1    --  O6_a    ..       5.37 su   
PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) .....          1      
PLAT042_ALERT_1_C Calc. and Reported MoietyFormula Strings  Differ          ?
PLAT244_ALERT_4_C Low   'Solvent' Ueq as Compared to Neighbors of          C7     
PLAT912_ALERT_4_C Missing # of FCF Reflections Above STh/L=  0.600         59      

Alert level G
PLAT720_ALERT_4_G Number of Unusual/Non-Standard Labels ..........         13      

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   8 ALERT level C = Check and explain
   1 ALERT level G = General alerts; check

   1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   4 ALERT type 2 Indicator that the structure model may be wrong or deficient
   1 ALERT type 3 Indicator that the structure quality may be low
   3 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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