Acta Cryst. (2004). E60, i136-i138  [ doi:10.1107/S1600536804023761 ]

Diammonium tetrathiotungstate(VI), (NH₄)₂[WS₄], at 150  K

B. R. Srinivasan, M. Poisot, C. Näther and W. Bensch

Online 9 October 2004

Key indicators

• Single-crystal X-ray study
• T = 150 K
• Mean (W-S) = 0.001 Å
• R factor = 0.018
• wR factor = 0.048
• Data-to-parameter ratio = 25.7

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT420_ALERT_2_C D-H Without Acceptor       N2     -   H1N2   ...          ?       
PLAT480_ALERT_4_C Long H...A H-Bond Reported H3#    ..  S1      ..       2.93 Ang.  
PLAT480_ALERT_4_C Long H...A H-Bond Reported H4#    ..  S1      ..       2.89 Ang.  
PLAT480_ALERT_4_C Long H...A H-Bond Reported H5#    ..  S1      ..       3.03 Ang.  
PLAT720_ALERT_4_C Number of Unusual/Non-Standard Label(s) ........          6       

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

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

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