Cl-O (Chlorine-Oxygen)
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Section III: Supplemental Literature Review
Cl-O (Chlorine-Oxygen) H. Okamoto
No information was given on the Cl-O system in [Massalski2]. The Cl-O phase diagram shown in Fig. 1 was determined by [1970Kep] by measuring the freezing point of mixed liquids of Cl2 and ClO2. Table 1 shows Cl-O crystal structure data. No information is available on solid ClO2.
Table 1
Reference 1970Kep: J. Kepinski and K. Kalucki, Solid-Liquid Equilibrium in the System Chlorine Dioxide-Chlorine, Can. J. Chem., 1970, 48, p 2320-2323
Cl-O crystal structure data
Phase
Composition, at.% O
Pearson symbol
Space group
Strukturbericht designation
Prototype
(Cl) ClO2
0 66.7
oC8 …
Cmca …
A14 …
I …
Weight Percent Oxygen 0
10
20
30
50
40
60
70
80
90 100
-55 -59.6°C -60
L
-65
-75 -80 -85
ClO2
Temperature, °C
-70
-90 -95
-100 -100.97°C 1.6 T.P. -105
-101.6°C
(Cl)
-110 0
Cl Fig. 1
318
10
20
30
40
50
60
70
80
Atomic Percent Oxygen
Cl-O phase diagram
Journal of Phase Equilibria and Diffusion Vol. 31 No. 3 2010
90
100
O
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