Vibrational lifetimes and absorption spectra of the asymmetric CO stretching mode (∼1990 cm−1) of W(CO)6 in supercritical CO2 are reported as functions of solvent density and temperature. Close to the critical temperature, the observables are density independent over a twofold range of density. Possible explanations are discussed for this unique behavior.
REFERENCES
1.
2.
C. A.
Eckert
, D. H.
Ziger
, K. P.
Johnston
, and T. K.
Ellison
, Fluid Phase Equilib.
14
, 167
(1983
);C. A.
Eckert
, D. H.
Ziger
, K. P.
Johnston
, and S.
Kim
, J. Phys. Chem.
90
, 2738
(1986
).3.
4.
H. D.
Cochran
, L. L.
Lee
, and D. M.
Pfund
, Fluid Phase Equilib.
34
, 219
(1987
);M.
Pfund
, L. L.
Lee
, and H. D.
Cochran
, Fluid Phase Equilib.
39
, 161
(1988
)., Fluid Phase Equilib.
5.
6.
I. B.
Petsche
and P. G.
Debenedetti
, J. Chem. Phys.
91
, 7075
(1989
).7.
J-L. M.
Abboud
, G.
Guiheneuf
, M.
Essfar
, R. W.
Taft
, and M. J.
Kamlet
, J. Phys. Chem.
88
, 4414
(1984
).8.
9.
10.
T. W.
Zerda
, B.
Wiegand
, and J.
Jonas
, J. Chem. Eng. Data
31
, 274
(1986
).11.
J. P.
Blitz
, C. R.
Yonker
, and R. D.
Smith
, J. Phys. Chem.
93
, 6661
(1989
).12.
13.
Y-P.
Sun
, G.
Bennett
, K. P.
Johnston
, and M. A.
Fox
, J. Phys. Chem.
96
, 10001
(1992
).14.
15.
M.
Lee
, G. R.
Holtom
, and R. M.
Hochstrasser
, Chem. Phys. Lett.
118
, 359
(1985
).16.
A.
Tokamakoff
, B.
Sauter
, and M. D.
Fayer
, J. Chem. Phys.
100
, 9035
(1994
).17.
P.
Moore
, A.
Tokmakoff
, T.
Keyes
, and M. D.
Fayer
, J. Chem. Phys.
103
, 3325
(1995
).18.
V. M.
Kenkre
, A.
Tokmakoff
, and M. D.
Fayer
, J. Chem. Phys.
101
, 10618
(1994
).19.
A.
Tokmakoff
, C. D.
Marshall
, and M. D.
Fayer
, JOSA B
10
, 1785
(1993
).20.
J. F.
Ely
, W. M.
Haynes
, and B. C.
Bain
, J. Chem. Thermodynamics
21
, 879
(1989
).21.
22.
A. M.
Benson
,Jr. and H. G.
Drickamer
, J. Chem. Phys.
27
, 1164
(1957
);R. R.
Wiederkehr
and H. G.
Drickamer
, J. Chem. Phys.
28
, 311
(1958
); , J. Chem. Phys.
T. G.
Politis
and H. G.
Drickamer
, J. Chem. Phys.
74
, 263
(1981
)., J. Chem. Phys.
23.
M. A. Anisimov, Critical Phenomena in Liquids and Liquid Crystals (Gordon and Breach, Philadelphia, 1991).
24.
R. S. Urdahl, K. D. Rector, D. J. Myers, P. H. Davis, and M. D. Fayer (in preparation).
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