Vol. 5, No. 10, October 1966 NOTES 1823 with KCl 250'

NOTES 1823

Vol. 5, No. 10, October 1966

green pm. with KCl

~~~~

~

Figure 1.-X-Ray

powder patterns (Cu Kor radiation).

+

TABLE I DENSITIESAND MOLAR VOLUMES Compound

Density, g cm-3

CSzVCls. Ha0 RbzVC16. HzO KzVC16. HzO CszVC16.4HzO RbVCla.6Hz0

2.985 2.84 2.31 2.50 1.93

Molar vol., cm3

172 147

140 226 200

TABLE 11 MAGNETIC MEASUREMENTS fie* for v3+

Oxidn state VF3' 3 H z 0 VCla' 6 H z 0 VBrs' 6H10

CsvVCls.4HzO IZbVCla.6HzO CszVCla.Hz0 lZbzVC1s.HzO K2VCls.HzO

2.88 2.82 2.77

2.83 2.79 2.73

2.79 2.77 2.80

286'K 2.85 2.81 2.82 2.82 2.69

196'K 2.82 2.76 2.72 2.69 2.60

82'K 2.81 2.74 2.64 2.59 2.46

-11

3.00