tris(η5-2,4-cyclopentadien-1-yl)praseodymium


Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
MS - José A. Martinho Simões

Quantity Value Units Method Reference Comment
Δsub125.5 ± 3.0kJ/molN/APilcher and Skinner, 1983See also Devyatykh, Rabinovitch, et al., 1974.; AC
Δsub125.5 ± 3.0kJ/molCC-SBDevyatykh, Borisov, et al., 1973MS

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
113.0 ± 1.7533. to 653.N/ABorisov, Krasnova, et al., 1973AC
131.0 ± 2.1338. to 438.MEHaug, 1971See also Haug, 1971, 2.; AC

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
8.2 ± 0.2EIGaivoronskii, Gavrishchuk, et al., 1978LLK
8.2 ± 0.2EIDevyatykh, Krasnova, et al., 1970RDSH
7.7 ± 0.1EIMuller, 1969RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H5Pr+17.0 ± 0.42C5H5EIGaivoronskii, Gavrishchuk, et al., 1978LLK
C5H5Pr+17. ± 0.4?EIDevyatykh, Krasnova, et al., 1970RDSH
C5H5Pr+17.0 ± 0.4?EIMuller, 1969RDSH
C10H10Pr+10.0 ± 0.2C5H5EIGaivoronskii, Gavrishchuk, et al., 1978LLK
C10H10Pr+10. ± 0.2?EIDevyatykh, Krasnova, et al., 1970RDSH
C10H10Pr+8.5 ± 0.2?EIMuller, 1969RDSH
Pr+24.1 ± 0.4?EIDevyatykh, Krasnova, et al., 1970RDSH

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Pilcher and Skinner, 1983
Pilcher, G.; Skinner, H.A., Thermochemistry of organometallic compounds, 1983, 43-90, https://doi.org/10.1002/9780470771686.ch2 . [all data]

Devyatykh, Rabinovitch, et al., 1974
Devyatykh, C.G.; Rabinovitch, I.B.; Tel'noi, V.I.; Borisov, G.K.; Zyazina, L.F., Dokl. Akad. Nauk SSSR, 1974, 217, 673. [all data]

Devyatykh, Borisov, et al., 1973
Devyatykh, G.G.; Borisov, G.K.; Zyuzina, L.F.; Krasnova, S.G., Dokl. Akad. Nauk SSSR, 1973, 212, 1, 127. [all data]

Borisov, Krasnova, et al., 1973
Borisov, G.K.; Krasnova, S.G.; Devyatykh, G.G., Russ. J. Phys. Chem., 1973, 18, 346. [all data]

Haug, 1971
Haug, H.O., Ges. Kernforsch m.b.H. [Rep.] KFK-1283, 1971, 23. [all data]

Haug, 1971, 2
Haug, H.O., Dampfdruckmessungen von cyclopentadienylkomplexen des urans und einiger lanthaniden nach der effusionsmethode, Journal of Organometallic Chemistry, 1971, 30, 1, 53-57, https://doi.org/10.1016/S0022-328X(00)82595-4 . [all data]

Gaivoronskii, Gavrishchuk, et al., 1978
Gaivoronskii, P.E.; Gavrishchuk, E.M.; Chernyaev, N.P.; Zverev, Y.B., Mass spectrometric study of tris(isopropylcyclopentadienyl) π- complexes of lanthanum, praseodymium, and neodymium, Russ. J. Inorg. Chem., 1978, 23, 1742. [all data]

Devyatykh, Krasnova, et al., 1970
Devyatykh, G.G.; Krasnova, S.G.; Borisov, G.K.; Larin, N.V.; Gaivoronskii, P.E., Preparation and investigation by mass spectrometry of cyclopentadienyl 7r-complexes of lanthanum, praseodymium, and neodymium, Dokl. Akad. Nauk SSSR, 1970, 193, 1069, In original 580. [all data]

Muller, 1969
Muller, J., Massenspektroskopische Untersuchungen an Tri- und Tetracyclopentadienyl-metall-Komplexen, Chem. Ber., 1969, 102, 152. [all data]


Notes

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