>Dear Hogwu,
I encountered following data about zorite:
>
NAME Sodium titanium niobium silicate hydrate *
MINR Zorite
FORM Na6 (Ti (Ti0.9 Nb0.1)4 (Si6 O17)2 (O H)5) (H2 O)10.5
= H26 Na6 Nb.4 O49.5 Si12 Ti4.6
TITL The OD structure of zorite
REF Kristallografiya
KRISA 24 (1979) 1198-1210
AUT Sandomirskii P A, BelovÿNÿV
CELL a=23.241(7) b=7.238(4) c=6.955(4) à=90.0 á=90.0 ç=90.0
V=1170.0 Z=1
SGR C m m m (65) - orthorhombic
CLAS mmm (Hermann-Mauguin) - D2h (Schoenflies)
PRS oC98
ANX A5B6C12X50
PARM Atom__No OxStat Wyck -----X----- -----Y----- -----Z----- -SOF-
Ti 1 4.000 4e 1/4 1/4 0. 0.9
Nb 1 5.000 4e 1/4 1/4 0. 0.1
Ti 2 4.000 4l 0. 1/2 0.0457 0.25
Si 1 4.000 8o 0.1618 0. 0.2697
Si 2 4.000 8p 0.0639 0.0943 0. 0.5
Na 1 1.000 4f 1/4 1/4 1/2 0.5
Na 2 1.000 8o 0.3654 0. 0.2182 0.5
O 1 -2.000 4h 0.1545 0. 1/2
O 2 -2.000 8o 0.0952 0. 0.1878
O 3 -2.000 16r 0.194 0.1853 0.2036
O 4 -2.000 4g 0.2208 1/2 0.
O 5 -2.000 2a 0. 0. 0.
OH1 6 -2.000 8p 0.0602 0.3197 0. 0.5
OH1 7 -2.000 8o 0.0112 1/2 0.2826 0.125
OH2 8 -2.000 8q 0.2949 0.0537 1/2 0.5
OH2 9 -2.000 8q 0.0811 0.3824 1/2 0.25
OH2 10 -2.000 4h 0.072 1/2 1/2 0.125
OH2 11 -2.000 8o 0.1 0.3 1/2 0.25
OH2 12 -2.000 8o 0.03 0.09 1/2 0.25
H 1 1.000 26 Atoms not located in Unit Cell
WYCK r q2 p2 o6 l h2 g f e a
ITF Ti 1 B=0.71
ITF Nb 1 B=0.71
ITF Ti 2 B=1.53
ITF Si 1 B=0.68
ITF Si 2 B=0.82
ITF Na 1 B=2.2
ITF Na 2 B=3.9
ITF O 1 B=1.7
ITF O 2 B=1.6
ITF O 3 B=1.7
ITF O 4 B=1.1
ITF O 5 B=1.
ITF O 6 B=2.3
ITF O 7 B=2.2
ITF O 8 B=4.
ITF O 9 B=6.1
RVAL 0.085
Best regards
Vicente
Dr. Vicente José Esteve-Cano | Universitat Jaume I
[EMAIL PROTECTED] | Department of Inorganic & Organic
Chemistry
X-Ray Diffraction Lab. | Inorganic Chemistry Division
P.O. Box 224 12080 CASTELLON (Spain)
Tel. + 34 964 728246 & 728215
Fax + 34 964 728214 & 254585
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