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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=82089 Help
TitleCrystal structure and infrared absorption spectra of magnesium(II) hydrogen selenite tetrahydrate, Mg (H Se O3)2 . 4(H2 O).
AuthorsMicka, Z.;Nemec, I.;Vojtisek, P.;Ondracek, J.
ReferenceJournal of Solid State Chemistry (1996) 122, 338-342
Link XRef SCOPUS SCIRUS Google
CompoundH10 Mg1 O10 Se2 - Magnesium bis(hydrogenselenate(IV)) tetrahydrate [AB2X10] [mS92] [f5 e3] []
Cell10.9962(6), 7.5517(8), 11.6660(9), 90., 100.92(1), 90.
I12/A1 (15) V=951.2
RemarksR=0.024000 :
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.
Calculated density unusual but tolerable.
Supplementary data are electronically deposited at FIZ-Karlsruhe under deposition-no. 404217

Atom (site) Oxid. x, y, z, B, Occupancy
Se1(8f)4
Mg1(4e)2
O1(8f)-2
O2(8f)-2
O3(8f)-2
O4(8f)-2
O5(4e)-2
O6(4e)-2
H1(8f)1
H2(8f)1
H3(8f)1
H4(8f)1
H5(8f)1
0.4762(1)0.1313(1)0.3638(1)0.015(1)1
0.250.0325(2)0.50.013(1)1
0.4698(2)0.1470(3)0.2155(2)0.026(1)1
0.5773(2)-.0362(2)0.3855(2)0.018(1)1
0.3401(2)0.0343(3)0.3623(2)0.021(1)1
0.1931(2)-.0329(3)0.1571(2)0.028(1)1
0.250.3001(4)0.50.023(1)1.
0.250.7638(4)0.50.026(1)1.
0.4591(37)0.2365(58)0.1932(35)0.03(1)1
0.2451(43)-.0244(65)0.2252(43)0.052(13)1
0.1408(41)-.0566(61)0.1720(38)0.038(13)1
0.2670(33)0.3588(45)0.4459(31)0.022(9)1
0.2335(31)0.6969(49)0.5492(27)0.021(8)1

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