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Acta Cryst. (2006). E62, i38-i40 [ doi:10.1107/S1600536806003850 ]
Ammonium hydrogenselenate(IV)
Online 3 February 2006
Key indicators
- Single-crystal X-ray study
- T = 293 K
- Mean
![[sigma]](http://journals.iucr.org/logos/entities/sigma_rmgif.gif)
(e-O) = 0.002 Å
- R factor = 0.024
- wR factor = 0.058
- Data-to-parameter ratio = 17.2
checkCIF/PLATON results
No syntax errors found
Alert level C
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ .... ?
PLAT199_ALERT_1_C Check the Reported _cell_measurement_temperature 293 K
PLAT200_ALERT_1_C Check the Reported _diffrn_ambient_temperature . 293 K
PLAT731_ALERT_1_C Bond Calc 0.84(4), Rep 0.844(19) ...... 2.11 su-Rat
O2 -H5 1.555 1.555
PLAT731_ALERT_1_C Bond Calc 0.90(4), Rep 0.895(19) ...... 2.11 su-Rat
N -H1 1.555 1.555
PLAT731_ALERT_1_C Bond Calc 0.90(4), Rep 0.896(19) ...... 2.11 su-Rat
N -H2 1.555 1.555
PLAT731_ALERT_1_C Bond Calc 0.90(4), Rep 0.900(19) ...... 2.11 su-Rat
N -H3 1.555 1.555
PLAT731_ALERT_1_C Bond Calc 0.91(4), Rep 0.907(19) ...... 2.11 su-Rat
N -H4 1.555 1.555
PLAT735_ALERT_1_C D-H Calc 0.90(4), Rep 0.895(19) ...... 2.11 su-Rat
N -H1 1.555 1.555
PLAT735_ALERT_1_C D-H Calc 0.90(4), Rep 0.896(19) ...... 2.11 su-Rat
N -H2 1.555 1.555
PLAT735_ALERT_1_C D-H Calc 0.90(4), Rep 0.896(19) ...... 2.11 su-Rat
N -H2 1.555 1.555
PLAT735_ALERT_1_C D-H Calc 0.90(4), Rep 0.900(19) ...... 2.11 su-Rat
N -H3 1.555 1.555
PLAT735_ALERT_1_C D-H Calc 0.91(4), Rep 0.907(19) ...... 2.11 su-Rat
N -H4 1.555 1.555
PLAT735_ALERT_1_C D-H Calc 0.84(4), Rep 0.844(19) ...... 2.11 su-Rat
O2 -H5 1.555 1.555
0 ALERT level A = In general: serious problem
0 ALERT level B = Potentially serious problem
14 ALERT level C = Check and explain
0 ALERT level G = General alerts; check
14 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
0 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
0 ALERT type 4 Improvement, methodology, query or suggestion
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