Su Qiang, Lu Yuhua, Wang Hongyan. SPECTROSCOPIC AND MAGNETIC PROPERTIES OF DIMETHYL SULFOXIDE COMPLEX OF EUROPIUM NITRATE[J]. Chinese Journal of Luminescence, 1992,13(2): 89-95
Su Qiang, Lu Yuhua, Wang Hongyan. SPECTROSCOPIC AND MAGNETIC PROPERTIES OF DIMETHYL SULFOXIDE COMPLEX OF EUROPIUM NITRATE[J]. Chinese Journal of Luminescence, 1992,13(2): 89-95DOI:
Dimethyl sulfoxide complex of europium nitrate was synthesized. Its composition is Eu(NO
3/
)
3
·4(CH
3
)
2
SO. The crystal structure of this complex belongs to monoclinic system. Its lattice parameters are:α= 1.4806 nm
b
= 1.0948nm
с
= 1.5335nm. β= 108.07
o
and
Z
= 4. Space group is C
2/c
-C
2k
6
. Coordination number of Eu
3+
is 10. Its luminescence spectra weredetermined at liquid nitrogen temperature (Fig. 3). Argon laser was used for excitation. The excitation wavelength is 457.9nm.
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references
J.H.Van Vleck, "The Theory of Electric and Magnetic Susceptibilities" Oxford University.Oxford (1932).