ANALYTICAL CHEMISTRY
1354
Partial Powder X-Ray Diffraction Pattern of Uranyl Oxalate d. A,.
Calcd. 8.52 8.17 6.29 5.55 5.28 4.89)) 4.85 4 . R6j
hkl
4 , Odl
e
b
d , A.,& Obsd.
d, A., Calcd.
d, A,, Obsd.4
8.47
e:25
'80
5:i3
io
8.51
4.87
55
4.62
33
3: 34 3.28 2.90 2.85 2.82 2.76 2.70 2.63 2.55 2.50
3.75
..
4.49 4.38 4.33 i: i 0 i6o 4 26 .. 4:07 4 OR 15 3.98 .. 3 97 3:94 50 3.87' 3.85 :5 3,86,' Philips Il4.6-nirn.-diameter powder camera, Straumanis mounting: X(CuKa) = 1.5418 A. Relative penk intensities above background, from densitometer measurements.
1.684; geometric mean l.5303. Molecular refraction 41.4 cc. Optic Orientation. X = b; Y A c = 58'. Optic Axial Angle (5893 .4.).21.2 = 31 O with strong dispersion T
hkl
I/I>b 85
> F.
I/Ii
b
?n .. 5
..
10 35 20 45 15 10 10 15 30 20
Color. Tellow with absorption Z > Y M X . Fluorescence. Strong, excited by mercury vapor lamp. W O R Kdone under t h e auspices of the Atomic Energy Commiseion.
133.
Hendecahydrogen Diuranyl Pentaphosphate, H,,(UO,),(PO,),
E U G E N E STARITZKY
and
DON T. C R O M E R
The University of California, Lor Alarnor Scientific Laboratory, Los Alamos,
ESUECAHYDROGES
diuranyl pentaphosphate was crystal-
H lized from a hot solution 7 M in phosphoric acid and 1M in uranium dioxide. Chemical analysis. 54.1?6 UO,, 45.870 PO4, calculated 52.61% UOZ, 46.28% Pod.
110
Systrrii and Class. Monoclinic, prismatic. .Axial I.:lements. a : b : c = 0.8143:1:0.5397; p = 113'1'. I
C
C
Partial Powder X-Ray Diffraction Pattern of H,~(uo~)~Po~)~ hkl
C R Y ~ T XMORPHOLOGY I.
l-
N. M.
1
F
0 -
Figure 1. Orthographic projections on (100) and (010) of crystal of hendecahydrogen diuranyl pentaphosphate
020 011 200 121 02 1 210 030 130 220 -121 112 202 231 940
212 002 211 310 131 321 140 z22 141 922 241 122 ..-
0 0
-
d , A.,
Calcd. 8.35 6.97 6.15 5.21 5.00
$:%} 4.65
4,244 4.175 4.007
3:;)
3 490 3.484 3 4811 3 425) 3 418 3 372 3 3711 3 195 3.136 3.074
4 A.,
Meas.a 8.32 6.91 6.14 5.20 4.97 4.89 4.67 4.23 4.15 4.00 3.59
I/Il b 25 20 100 15
50
