1,3-Disilacyclobutane, 1,1,3,3-tetramethyl-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Condensed phase thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics data, References, Notes

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

Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid296.27J/mol*KN/ADzhafarov, Guseinov, et al., 1973 
Quantity Value Units Method Reference Comment
solid,1 bar296.27J/mol*KN/AGuseinov, Karasharli, et al., 1975 

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
216.94298.15Guseinov, Karasharli, et al., 1975T = 10 to 300 K. Data given graphically.

Phase change data

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References, Notes

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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple266.02KN/ADzhafarov, Guseinov, et al., 1973Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Δvap36.7 ± 1.1kJ/molIShmyreva, Sakharovskaya, et al., 1974AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Reference Comment
39.480390.93Guseinov, Karasharli, et al., 1975DH
39.5391.Guseinov, Karasharli, et al., 1975, 2AC

Entropy of vaporization

ΔvapS (J/mol*K) Temperature (K) Reference Comment
91.34390.93Guseinov, Karasharli, et al., 1975DH

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
10.259266.02Guseinov, Karasharli, et al., 1975DH
10.259266.02Dzhafarov, Guseinov, et al., 1973DH
10.26266.Domalski and Hearing, 1996See also Guseinov, Karasharli, et al., 1975, 2.; AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
38.58266.02Guseinov, Karasharli, et al., 1975DH
38.56266.02Dzhafarov, Guseinov, et al., 1973DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas phase ion energetics data

Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes

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:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
8.56 ± 0.07EIPitt, Habercom, et al., 1968RDSH

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Notes

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

Dzhafarov, Guseinov, et al., 1973
Dzhafarov, O.I.; Guseinov, Z.A.; Karasharli, K.A.; Zeinalov, T.D., Heat capacity of tetramethyldisiletan at low temperatures, Zhur. Fiz. Khim., 1973, 47, 2448. [all data]

Guseinov, Karasharli, et al., 1975
Guseinov, Z.A.; Karasharli, K.A.; Dzhafarov, O.I.; Nurullaev, G.G.; Nametkin, N.S.; Gusel'nikov, L.E.; Volnina, F.A.; Burdasov, E.N.; Vdovin, V.M., Thermodynamic parameters of some cyclic and bridging carbosilanes, Dokl.Akad. Nauk, 1975, SSSR 222, 1369-1372. [all data]

Shmyreva, Sakharovskaya, et al., 1974
Shmyreva, G.O.; Sakharovskaya, G.B.; Golosova, R.M.; Filippov, G.G.; Volnina, E.A.; Burdasov, E.N.; Gusel'nikov, L.E., Russ. J. Phys. Chem., 1974, 48, 1699. [all data]

Guseinov, Karasharli, et al., 1975, 2
Guseinov, A.Z.; Karasharli, K.A.; Dzhafarov, O.I.; Nurullaev, G.G.; Nametkin, N.S.; Gusel'nikov, L.E.; Volnina, E.A.; Burdasov, E.N.; Vdovin, V.N., Dokl. Akad. Nauk SSSR, 1975, 222, 1369. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Pitt, Habercom, et al., 1968
Pitt, C.G.; Habercom, M.S.; Bursey, M.M.; Rogerson, P.F., The electronic absorption and ionization potentials of carbosilanes. The question of 1,3(d-d) interaction in the excited state, J. Organometal. Chem., 1968, 15, 359. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References