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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=71200 Help
TitleNeutron diffraction study of RbHSeO4 and NH4HSeO4 single crystals.
AuthorsMakarova, I.P.;Muradyan, L.A.;Rider, E.E.;Sarin, V.A.;Alexandrova, I.P.;Simonov, V.I.
ReferenceFerroelectrics (1990) 107, 281-286
Link XRef SCOPUS Google
CompoundH5 N1 O4 Se1 - Ammonium hydrogenselenate [AXY4] [mS66] [c8 a2] []
Cell19.863(13), 4.620(3), 7.593(7), 90., 90., 102.59(5)
B112 (5) V=680.03
RemarksR=0.054000 : D N T
The coordinates are those given in the paper but the atomic distances do not agree with those calculated during testing.The coordinates are probably correct.
At least one temperature factor is implausible or meaningless but agrees with the value given in the paper.

Atom (site) Oxid. x, y, z, B, Occupancy
N1(2a)-3
N2(4c)-3
Se1(2a)6
Se2(4c)6
O1(4c)-2
O2(4c)-2
O3(4c)-2
O4(4c)-2
O5(4c)-2
O6(4c)-2
H1(4c)1
H2(2b)1
H3(4c)1
H4(4c)1
H5(4c)1
H6(4c)1
H7(4c)1
H8(4c)1
H9(4c)1
000.484.351.
0.160.580.084.271.
0002.4(1
0.160.690.572.921
0.020.280.864.1(1
0.060.940.114.4(1
0.190.460.714.2(1
0.220.900.475.9(1
0.130.910.714.2(1
0.100.530.455.3(1
0.000.450.877.(10.25
00.50.878.(10.5
0.150.130.714.9(1
0.02-.070.3913.(1
0.020.140.5314.(1
0.160.54-.0210.(1
0.130.390.1115.(1
0.140.640.1418.(1
0.200.710.1218.(1

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