(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2001). E57, i109-i111 [ doi:10.1107/S1600536801017998 ]

Zinc(II) sulfate tetrahydrate

A. J. Blake, P. A. Cooke, P. Hubberstey and C. L. Sampson

Online 10 November 2001

Key indicators

Single-crystal X-ray study
T = 150 K
Mean (S-O) = 0.008 Å
R factor = 0.059
wR factor = 0.157
Data-to-parameter ratio = 9.6

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry

PLATON alerts of the form PLAT_7?? have been detected for an inorganic
structure. These tests are under development  for inorganics and
comments are welcomed. It is not necessary to supply a data
validation response form for these alerts at this time.


 Alert Level B:



PLAT_736  Alert B H...A   Calc     2.35(7), Rep   2.358(14) ....       5.00 s.u-Ratio
                     H22  -O12     1.555   1.555


 Alert Level C:



PLAT_710  Alert C Delete 1-2-3 or 2-3-4 (CIF) Linear Torsion Angle #      6
                   O4  -ZN1 -O11 -S1   -125.00  5.00   1.555   1.555   1.555   1.555

PLAT_735  Alert C D-H     Calc     0.82(8), Rep     0.82(2) ....       4.00 s.u-Ratio
                     O1   -H11     1.555   1.555

PLAT_735  Alert C D-H     Calc     0.82(8), Rep     0.82(2) ....       4.00 s.u-Ratio
                     O1   -H12     1.555   1.555

PLAT_735  Alert C D-H     Calc     0.84(6), Rep     0.83(2) ....       3.00 s.u-Ratio
                     O2   -H22     1.555   1.555

PLAT_735  Alert C D-H     Calc     0.82(7), Rep     0.82(2) ....       3.50 s.u-Ratio
                     O3   -H31     1.555   1.555

PLAT_735  Alert C D-H     Calc     0.82(8), Rep     0.82(2) ....       4.00 s.u-Ratio
                     O4   -H41     1.555   1.555

PLAT_735  Alert C D-H     Calc     0.82(5), Rep     0.82(2) ....       2.50 s.u-Ratio
                     O4   -H42     1.555   1.555

PLAT_736  Alert C H...A   Calc     1.95(8), Rep     1.95(3) ....       2.67 s.u-Ratio
                     H12  -O14     1.555   4.665

PLAT_736  Alert C H...A   Calc     1.94(8), Rep     1.94(2) ....       4.00 s.u-Ratio
                     H31  -O14     1.555   3.566

PLAT_736  Alert C H...A   Calc     1.95(6), Rep     1.95(2) ....       3.00 s.u-Ratio
                     H42  -O12     1.555   1.554


 0 Alert Level A = Potentially serious problem

 1 Alert Level B = Potential problem

 10 Alert Level C = Please check