Silane, chlorotrimethyl-
- Formula: C3H9ClSi
- Molecular weight: 108.642
- IUPAC Standard InChIKey: IJOOHPMOJXWVHK-UHFFFAOYSA-N
- CAS Registry Number: 75-77-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Chlorotrimethylsilane; Trimethylchlorosilane; Trimethylsilyl chloride; (CH3)3SiCl; Monochlorotrimethylsilicon; Silane, trimethylchloro-; Silicane, chlorotrimethyl-; TL 1163; UN 1298; Silylium, trimethyl-, chloride; Monochlorotrimethylsilane; NSC 15750; Trimethylsilane chloride; KA 31; TSL 8031
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
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.
Phase change data
Go To: Top, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 330. | K | N/A | PCR Inc., 1990 | BS |
Tboil | 330.75 | K | N/A | Rugina, Gaspar, et al., 1987 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 331. | K | N/A | McBride and Beachell, 1948 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 330.85 | K | N/A | Sauer and Hadsell, 1948 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 233. | K | N/A | Taylor and Walten, 1944 | Uncertainty assigned by TRC = 5. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 217.97 | K | N/A | Samorukov, Kostryukov, et al., 1971 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 497.8 | K | N/A | Stepanov and Nozdrev, 1968 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 31.58 | atm | N/A | Stepanov and Nozdrev, 1968 | Uncertainty assigned by TRC = 0.1099 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.73 | mol/l | N/A | Stepanov and Nozdrev, 1968 | Uncertainty assigned by TRC = 0.03 mol/l; ultrasonic velocity measurements; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
7.36 | 289. | Capková and Fried, 1964 | Based on data from 274. to 325. K.; AC |
7.22 | 291. | Jenkins and Chambers, 1954 | Based on data from 276. to 329. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
274.3 to 326.03 | 3.9599 | 1123.68 | -47.171 | Capková and Fried, 1964 | Coefficents calculated by NIST from author's data. |
275.8 to 328.8 | 4.06973 | 1191. | -38. | Jenkins and Chambers, 1954 |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.31 | 218. | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
0.896 | 185.1 | Domalski and Hearing, 1996 | CAL |
10.62 | 218.0 |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.166 | 185.1 | crystaline, II | crystaline, I | Samorukov, Kostryukov, et al., 1971, 2 | DH |
2.314 | 217.97 | crystaline, I | liquid | Samorukov, Kostryukov, et al., 1971, 2 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.896 | 185.1 | crystaline, II | crystaline, I | Samorukov, Kostryukov, et al., 1971, 2 | DH |
10.61 | 217.97 | crystaline, I | liquid | Samorukov, Kostryukov, et al., 1971, 2 | DH |
Gas phase ion energetics data
Go To: Top, 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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 10.83 ± 0.02 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.65 ± 0.02 | PIPECO | Szepes and Baer, 1984 | T = 298K; LBLHLM |
10.83 ± 0.02 | PIPECO | Szepes and Baer, 1984 | T = 0K; LBLHLM |
10.83 ± 0.02 | PIPECO | Szepes and Baer, 1984, 2 | T = 0K; LBLHLM |
9.9 ± 0.1 | EI | Band, Davidson, et al., 1968 | RDSH |
10.58 ± 0.04 | EI | Hess, Lampe, et al., 1965 | RDSH |
10.71 | PE | Zykov, Khvostenko, et al., 1981 | Vertical value; LLK |
10.84 | PE | Block, Biernbaum, et al., 1977 | Vertical value; LLK |
10.76 | PE | Green, Lappert, et al., 1971 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H6SiCl+ | 10.6 ± 0.1 | CH3 | EI | Band, Davidson, et al., 1968 | RDSH |
C2H6SiCl+ | 11.00 ± 0.16 | CH3 | EI | Hess, Lampe, et al., 1965 | RDSH |
C3H9Si+ | 11.6 ± 0.1 | Cl | EI | Potzinger, Ritter, et al., 1975 | LLK |
C3H9Si+ | 10.9 ± 0.1 | Cl | EI | Band, Davidson, et al., Commun. 1967 | RDSH |
C3H9Si+ | 11.5 ± 0.2 | Cl | EI | Connor, Finney, et al., 1966 | RDSH |
C3H9Si+ | 12.40 ± 0.06 | Cl | EI | Hess, Lampe, et al., 1965 | RDSH |
C3H9Si+ | 12.42 ± 0.03 | Cl | EI | Hess, Lampe, et al., 1964 | RDSH |
References
Go To: Top, 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.
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Rugina, Gaspar, et al., 1987
Rugina, T.; Gaspar, M.; Sacarescu, L.,
Liquid-vapor equilibrium for a binary system of dichlorodimethyl-silane with trichloromethylsilane, chloromethylsilane and silicontetrachloride.,
Rev. Chim. (Bucharest), 1987, 38, 680. [all data]
McBride and Beachell, 1948
McBride, J.J.; Beachell, H.C.,
The peroxide-catalyzed chlorination of trimethylchlorosilane and t-butyl chloride,
J. Am. Chem. Soc., 1948, 70, 2532. [all data]
Sauer and Hadsell, 1948
Sauer, R.O.; Hadsell, E.M.,
Azeotropes of Trimethylchlorosilane and Silicon Tetrachloride,
J. Am. Chem. Soc., 1948, 70, 4258-9. [all data]
Taylor and Walten, 1944
Taylor, A.G.; Walten, B.V.D.G.,
Trimethyl silane and trimethyl silicon chloride,
J. Am. Chem. Soc., 1944, 66, 842-843. [all data]
Samorukov, Kostryukov, et al., 1971
Samorukov, O.P.; Kostryukov, V.N.; Samorukova, N.K.,
Thermodynamics of chlorosilanes with organic substituents. low-temperature heat capacity temperatures, and heats of phase transformation and thermodynamics functions of the condensed phases of tr,
Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 562-3. [all data]
Stepanov and Nozdrev, 1968
Stepanov, N.G.; Nozdrev, V.F.,
Physical Properties of Certain Organic Derivatives of Chlorosilane in the Critical Region,
Russ. J. Phys. Chem. (Engl. Transl.), 1968, 42, 1300-2. [all data]
Capková and Fried, 1964
Capková, A.; Fried, V.,
Gleichgewicht flüssigkeit-dampf im system tetrachlorsilan-trimethylchlorsilan,
Collect. Czech. Chem. Commun., 1964, 29, 2, 336-340, https://doi.org/10.1135/cccc19640336
. [all data]
Jenkins and Chambers, 1954
Jenkins, Arthur C.; Chambers, George F.,
Vapor Pressures of Silicon Compounds,
Ind. Eng. Chem., 1954, 46, 11, 2367-2369, https://doi.org/10.1021/ie50539a043
. [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]
Samorukov, Kostryukov, et al., 1971, 2
Samorukov, O.P.; Kostryukov, V.N.; Samorukova, N.Kh.,
Thermodynamics of chlorosilanes with organic substituents. Low-temperature heat capacity, temperatures, and heats of phase transformation and thermodynamics functions of the condensed phase of chlorotrimethylsilane,
Russ. J. Phys. Chem., 1971, 45, 562-563. [all data]
Szepes and Baer, 1984
Szepes, L.; Baer, T.,
Dissociation dynamics of energy selected hexamethyldisilane ions and the heats of formation of (CH3)3Si+ and (CH3)3Si,
J. Am. Chem. Soc., 1984, 106, 273. [all data]
Szepes and Baer, 1984, 2
Szepes, L.; Baer, T.,
(CH3)3SiX tipusu vegyuletek vizsgalata fotoelectron-fotoion koincidenciaval,I. Meghatarozott belso energiaju hexametil-diszilan-ionok disszociaciojanak dinamikaja,
Magy. Kem. Foly., 1984, 90, 104. [all data]
Band, Davidson, et al., 1968
Band, S.J.; Davidson, I.M.T.; Lambert, C.A.,
Bond dissociation energies: electron impact studies on some trimethylsilyl compounds,
J. Chem. Soc. A, 1968, 2068. [all data]
Hess, Lampe, et al., 1965
Hess, G.G.; Lampe, F.W.; Sommer, L.H.,
An electron impact study of ionization and dissociation of trimethylsilanes,
J. Am. Chem. Soc., 1965, 87, 5327. [all data]
Zykov, Khvostenko, et al., 1981
Zykov, B.G.; Khvostenko, V.I.; Voronkov, M.G.; Yur'ev, V.P.; Lomakin, G.S.; Suslova, E.N.,
Photoelectron spectra of Si-substituted chloromethylsilanes,
Dokl. Akad. Nauk SSSR, 1981, 258, 135. [all data]
Block, Biernbaum, et al., 1977
Block, T.F.; Biernbaum, M.; West, R.,
Cyclic polysilanes XII. Photoelectron spectra and bonding in 1,2,3,4-tetra-t-butyltetramethylcyclotetrasilane and related t-butylsilicon compounds,
J. Organomet. Chem., 1977, 131, 199. [all data]
Green, Lappert, et al., 1971
Green, M.C.; Lappert, M.F.; Pedley, J.B.; Schmidt, W.; Wilkins, B.T.,
Photoelectron spectra energy level trends in MenSiCl4-n and related series,
J. Organomet. Chem., 1971, 31, 55. [all data]
Potzinger, Ritter, et al., 1975
Potzinger, P.; Ritter, A.; Krause, J.,
Massenspektrometrische Bestimmung von Bindungsenergien in siliciumorganischen Verbindungen,
Z. Naturforsch. A:, 1975, 30, 347. [all data]
Band, Davidson, et al., Commun. 1967
Band, S.J.; Davidson, I.M.T.; Lambert, C.A.; Stephenson, I.L.,
Bond dissociation energies and heats of formation of trimethylsilyl compounds,
Chem., Commun. 1967, 723. [all data]
Connor, Finney, et al., 1966
Connor, J.A.; Finney, G.; Leigh, G.J.; Haszeldine, R.N.; Robinson, P.J.; Sedgwick, R.D.; Simmons, R.F.,
Bond dissociation energies in organosilicon compounds,
Chem. Commun., 1966, 178. [all data]
Hess, Lampe, et al., 1964
Hess, G.G.; Lampe, F.W.; Sommer, L.H.,
Bond dissociation energies and ion energetics in organosilicon compounds by electron impact,
J. Am. Chem. Soc., 1964, 86, 3174. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.