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【答案】应助回帖
★ 感谢参与,应助指数 +1 huangjr: 金币+1, 感谢热心帮助~ 2012-03-22 12:40:37
*data for ICSD #54876
Coll Code 54876
Rec Date 2005/10/01
Chem Name Iron(III) Phosphate(V) Dihydrate
Structured Fe (P O4) (H2 O)2
Sum H4 Fe1 O6 P1
ANX ABX6
Min Name Clinostrengite
D(calc) 2.72
Title On the dimorphy between the variscite and clinovariscite group:
refined finestructural relationship of strengite and clinostrengite,
Fe (P O4) * 2(H2 O)
Author(s) Taxer, K.;Bartl, H.
Reference Crystal Research and Technology
(2004), 39(12), 1080-1088
Unit Cell 5.335(5) 9.808(12) 8.720(7) 90. 90.54(5) 90.
Vol 456.26
Z 4
Space Group P 1 21/n 1
SG Number 14
Cryst Sys monoclinic
Pearson mP48
Wyckoff e8
R Value .034
Red Cell P 5.335 8.72 9.808 89.999 89.999 90.54 456.26
Trans Red 1.000 0.000 0.000 / 0.000 0.000 1.000 / 0.000 -1.000 0.000
Comments Compound with mineral name: Clinostrengite
The structure has been assigned a PDF number (calculated
powder diffraction data): 01-073-7399
Structure type : Metavariscite
X-ray diffraction from single crystal
Atom # OX SITE x y z SOF H
Fe 1 +3 4 e 0.09162(6) 0.82617(3) 0.19174(4) 1. 0
P 1 +5 4 e -0.0868(1) 0.14919(6) 0.18397(8) 1. 0
O 1 -2 4 e -0.2010(3) 0.7058(2) 0.2169(2) 1. 0
O 2 -2 4 e -0.1163(3) -0.0066(2) 0.1698(2) 1. 0
O 3 -2 4 e 0.3344(3) 0.6776(2) 0.2354(2) 1. 0
O 4 -2 4 e 0.0943(4) 0.7813(2) -0.0267(2) 1. 0
O 5 -2 4 e 0.4122(4) 0.3655(2) 0.0724(3) 1. H2
O 6 -2 4 e 0.3913(4) 0.9513(2) 0.1827(3) 1. H2
H 1 +1 4 e -0.051(7) 0.453(5) 0.3302(6) 1. 0
H 2 +1 4 e 0.285(6) 0.335(6) 0.0219(5) 1. 0
H 3 +1 4 e 0.146(6) 0.533(5) 0.2925(6) 1. 0
H 4 +1 4 e 0.537(7) 0.348(5) 0.0136(5) 1. 0
*end for ICSD #54876 |
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