(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2003). E59, o731-o733 [ doi:10.1107/S1600536803007669 ]

Ethylenediammonium bis(2-carboxylato-3,4,5,6-tetrahydro-2,6,6-trimethyl-2H-pyran-5-carboxylic acid) dihydrate [ethylenediammonium bis(hydrogen cineolate) dihydrate]

J. C. Barnes

Online 30 April 2003

Key indicators

Single-crystal X-ray study
T = 150 K
Mean (C-C) = 0.002 Å
R factor = 0.049
wR factor = 0.113
Data-to-parameter ratio = 15.5

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



ABSTM_02  Alert C The ratio of expected to reported Tmax/Tmin(RR') is < 0.90    
          Tmin and Tmax reported:      0.848     0.997                          
          Tmin' and Tmax expected:      0.968     0.994                         
          RR' =      0.873                                                      
          Please check that your absorption correction is appropriate.          

PLAT_353  Alert C Long    N-H Bond (0.87A)   N(16)  -   H(16B) =       1.02 Ang.


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 2 Alert Level C = Please check