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Metal localized emission in d6 phosphine and arsine complexes
CHEhfICAL PHYSlCS LETTERS
Votume 26. number 4
Finally, we consider the mean squared force for the case of liquid carbon monoxide, for which Gordon [Z] has estimated an experimental value oflffl~)~~ 850. Using the above potential parameters together with dipole and quadrupole moment values from Stogryn and Stogryn [ 101, we find for CO that (g”)’ = O.Q28 and (Q*)2 = 0.74; in addition Spurling and Mason [9] give 6 = 02. We see from fig. 1 that with these parameters the effect of ffie pure quadrupoIar forces on (F:) is about three times greater than the effect of the pure overlap forces, and much greater than that of the dipolar forces. For (Q*)Z = 0.74 tile MC I sults give /(E/o)~ x 650. From our results it __ not possible to give an exact MC value for (F$ due to the sum of quadrupofar and anisotropic overlap forces since the contributions will not be rigorously additive, However, if we da simply add the results we get an approximate MC result (~~)~(~~u~2 = 700, which is 20% closer to the experimental result than the pure quadrupolar value.
Acknowledgement This work was supported by a grant from the National Research Council of Canada.
References [ 11 G. Cannova and A. Levi. in: Physics of simple liquids, eds. H.N.V.T~mperley. J.S. Rowlinson and G.S. Rushbrooke (North-HoUand, Amsterdam, 1968) p. 299. 121 R-G. Gordon. J. Chem. Phys. 44 (1966) 576. [31 P.G. de Gennes, Physic? 25 (19.59) 825. [4] J.O. Nicschfelder, J.Chem. Phys. 33 (1960) 1462. [S] A.D. Buckingham, Discussions Faraday Sot. 43 (1967) 205 ; K.E. Gubbins and C.G. Gray, hfof. Phys. 23 (1972) f87. 161 S.S.\Vang, C.G.Gray, P.A. Egelstaff and K.E. Gubbins, Cbem. Phys. Letters 21 (1973) 123; 24 (1974) 453. 17) L. Verlet. Phys. Rev. 159 (1967) 98. [S] T.H. Spurling nnd E.A. Mason, J. Chem. Phys. 46 (19fi7) 322. [Pj D.EE. Stogryn and A9. Stogryn, Mot. Phys- 1 t (1966) 371.
ERRATUM GS. Arnold, W.L. Klotz, W. Halper and M-K_ De Armond, Metal localized emission in d6 phosphine and arsine complexes, Chem. Phys. Letters 19 (1973) 546. The units of rp in table 1 on p_ 548 should be pet,
not see.
15 June 1974
Votume 26. number 4
Finally, we consider the mean squared force for the case of liquid carbon monoxide, for which Gordon [Z] has estimated an experimental value of
Acknowledgement This work was supported by a grant from the National Research Council of Canada.
References [ 11 G. Cannova and A. Levi. in: Physics of simple liquids, eds. H.N.V.T~mperley. J.S. Rowlinson and G.S. Rushbrooke (North-HoUand, Amsterdam, 1968) p. 299. 121 R-G. Gordon. J. Chem. Phys. 44 (1966) 576. [31 P.G. de Gennes, Physic? 25 (19.59) 825. [4] J.O. Nicschfelder, J.Chem. Phys. 33 (1960) 1462. [S] A.D. Buckingham, Discussions Faraday Sot. 43 (1967) 205 ; K.E. Gubbins and C.G. Gray, hfof. Phys. 23 (1972) f87. 161 S.S.\Vang, C.G.Gray, P.A. Egelstaff and K.E. Gubbins, Cbem. Phys. Letters 21 (1973) 123; 24 (1974) 453. 17) L. Verlet. Phys. Rev. 159 (1967) 98. [S] T.H. Spurling nnd E.A. Mason, J. Chem. Phys. 46 (19fi7) 322. [Pj D.EE. Stogryn and A9. Stogryn, Mot. Phys- 1 t (1966) 371.
ERRATUM GS. Arnold, W.L. Klotz, W. Halper and M-K_ De Armond, Metal localized emission in d6 phosphine and arsine complexes, Chem. Phys. Letters 19 (1973) 546. The units of rp in table 1 on p_ 548 should be pet,
not see.
15 June 1974