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ICSD for WWW : Details

ICSD for WWW

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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
***Click the ANX, Pearson or Wyckoff Symbol to find structures with that symbol***.
CC=91717 Help
TitleCation partitioning in an unusual strontian potassic richterite from Siberia: Rietveld structure refinement and Mossbauer spectroscopy.
AuthorsSokolova, E.V.;Kabalov, Yu.K.;McCammon, C.;Schneider, J.;Konev, A.A.
ReferenceMineralogical Magazine (2000) 64, 19-21
Link XRef SCOPUS SCIRUS Google
CompoundH2 Ca0.36 Fe0.16 K0.92 Mg4.84 Na1.44 O24 Si8 Sr0.28 - [Richterite, strontian, potassic] Sodium potassium calcium strontium magnesium iron(III) catena-octasilicate hydroxide (1.44/0.92/0.36/0.28/4.84/ 0.16/1/2) [AB2C5D8X24] [mS84] [j7 i2 h2 g b a] []
Cell10.0325(1), 17.9770(10), 5.2698(1), 90., 104.70(1), 90.
C12/M1 (12) V=919.32
RemarksR=0.032000 : RVP XDP MIN =Richterite, strontian, potassic :
Deviation of the charge sum from zero tolerable.

Atom (site) Oxid. x, y, z, B, Occupancy
Si1(8j)4
Si2(8j)4
Mg1(4h)2
Mg2(4g)2
Fe1(4g)3
Mg3(2a)2
Na1(4h)1
Ca1(4h)2
Sr1(4h)2
K1(2b)1
Na2(2b)1
O1(8j)-2
O2(8j)-2
O3(4i)-2
O4(8j)-2
O5(8j)-2
O6(8j)-2
O7(4i)-2
H1(8j)1
0.274(2)0.088(6)0.3001(2)1.3(3)1
0.285(2)0.1712(6)0.8028(2)1.2(3)1
00.090(1)0.51.3(5)1
00.1802(9)01.0(5)0.92(1)
00.1802(9)01.0(5)0.08(1)
0000.8(7)1
00.2795(7)0.51.6(4)0.68(2)
00.2795(7)0.51.6(4)0.18(1)
00.2795(7)0.51.6(4)0.14(1)
00.501.7(6)0.92(1)
00.501.7(6)0.08(1)
0.1107(2)0.088(1)0.2153(4)0.9(7)1
0.1154(2)0.172(1)0.7143(4)1.4(7)1
0.1066(4)00.7190(5)0.6(9)1
0.3594(4)0.2486(1)0.7954(5)1.0(7)1
0.3324(4)0.128(1)0.0934(5)1.1(5)1
0.3364(4)0.117(1)0.6053(5)1.7(5)1
0.3292(4)00.3085(5)1.3(9)1.
00.5

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