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ICSD for WWW : Details

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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=83464 Help
TitleThe synthetic Cr(2+) silicates Ba Cr Si4 O10 and Sr Cr Si4 O10: the missing links in the gillespite-type A B Si4 O10 series.
AuthorsMiletich, R.;Allan, D.R.;Angel, R.J.
ReferenceAmerican Mineralogist (1997) 82, 697-707
Link XRef SCOPUS SCIRUS Google
CompoundCr1 O10 Si4 Sr1 - Strontium phyllo-chromo(II)tetrasilicate [ABC4X10] [tP64] [g3 f c b] []
Cell7.4562(4), 7.4562(4), 15.5414(4), 90., 90., 90.
P4/NCCZ (130) V=864.02
RemarksR=0.035000 :

Atom (site) Oxid. x, y, z, B, Occupancy
Sr1(4b)2
Cr1(4c)2
Si1(16g)4
O1(8f)-2
O2(16g)-2
O3(16g)-2
0.250.75001
0.250.250.08564(9)01
0.50962(17)0.92707(17)0.15094(8)01
0.46361(58)0.96361(58)0.2501
0.71284(44)0.99735(55)0.13192(21)01
0.37015(44)0.01058(46)0.08572(23)01
Atom (site) Oxid. Beta11, Beta22, Beta33, Beta12, Beta13, Beta23
Sr1(4b)2
Cr1(4c)2
Si1(16g)4
O1(8f)-2
O2(16g)-2
O3(16g)-2
0.00518(8)0.00518(8)0.00128(3)000
0.00368(12)0.00368(12)0.00164(5)000
0.00360(17)0.00428(17)0.00124(4)0.00001(14)0.00010(7)-.00002(8)
0.01102(65)0.01102(65)0.00173(17)-.00131(75)0.00117(28)-.00117(28)
0.00434(56)0.00842(65)0.00186(12)-.00094(43)-.00026(19)0.00062(24)
0.0046(5)0.00385(50)0.00252(13)0.00130(42)-.00114(22)0.00051(24)

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