Triphenylphosphine oxide
- Formula: C18H15OP
- Molecular weight: 278.2849
- IUPAC Standard InChIKey: FIQMHBFVRAXMOP-UHFFFAOYSA-N
- CAS Registry Number: 791-28-6
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Phosphine oxide, triphenyl-; Triphenyl phosphorus oxide; (C6H5)3P=O; Triphenylphosphanoxid; Triphenylphosphanoxide; (C6H5)3PO
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Phase change data
Go To: Top, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, 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 |
---|---|---|---|---|---|
Tfus | 429.6 | K | N/A | Hulnick, Van Miltenburg, et al., 1989 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tfus | 431.9 | K | N/A | Kirklin and Domalski, 1988 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 429. | K | N/A | Jorge, Airoldi, et al., 1978 | Uncertainty assigned by TRC = 1. K; TRC |
Tfus | 428. | K | N/A | Takashina and Price, 1962 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 66. ± 6. | kJ/mol | B | Jorge, Airoldi, et al., 1978, 2 | AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
131. ± 2. | 399. | ME,TE | Huinink, Van Miltenburg, et al., 1989 | AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
24.220 | 431.9 | Kirklin and Domalski, 1988, 2 | DH |
23.400 | 429.6 | Huinink, van Miltenberg, et al., 1989 | DH |
24.22 | 431.9 | Acree, 1991 | AC |
23.800 | 429. | Jorge, Airoldi, et al., 1978, 3 | DH |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
56.08 | 431.9 | Kirklin and Domalski, 1988, 2 | DH |
95.6 | 429. | Jorge, Airoldi, et al., 1978, 3 | DH |
Gas phase ion energetics data
Go To: Top, Phase change data, IR Spectrum, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated by: Edward P. Hunter and Sharon G. Lias
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 906.2 | kJ/mol | N/A | Hunter and Lias, 1998 | |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 876.4 | kJ/mol | N/A | Hunter and Lias, 1998 |
IR Spectrum
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
- SOLID (KBr PELLET); Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- SOLID (SPLIT MULL, FLUOROLUBE FOR 3800-1333 AND NUJOL FOR 1333-400 CM -1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Gas Chromatography
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 2561. | Hankemeier, Rozenbrand, et al., 1998 | Program: not specified |
Capillary | HP-5MS | 2576. | Hankemeier, Rozenbrand, et al., 1998 | Program: not specified |
References
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hulnick, Van Miltenburg, et al., 1989
Hulnick, J.; Van Miltenburg, K.; Oonk, H.A.; Schuljff, A.J.,
J. Chem. Eng. Data, 1989, 99. [all data]
Kirklin and Domalski, 1988
Kirklin, D.R.; Domalski, E.S.,
Enthalpies of combustion of triphenylphosphine and triphenylphosphine oxide,
J. Chem. Thermodyn., 1988, 20, 743. [all data]
Jorge, Airoldi, et al., 1978
Jorge, R.A.; Airoldi, C.; Chagas, A.P.,
Thermochemistry of dichlorobis(triphenylphosphine oxide)-zinc(II), -cadmium(II), and -mercury(II),
J. Chem. Soc., Dalton Trans., 1978, No. 9, 1102-4. [all data]
Takashina and Price, 1962
Takashina, N.; Price, C.C.,
A Crystalline Hexamer from Acrylonitrle,
J. Am. Chem. Soc., 1962, 84, 489-91. [all data]
Jorge, Airoldi, et al., 1978, 2
Jorge, Renato A.; Airoldi, Claudio; Chagas, A«65533»cio P.,
Thermochemistry of dichlorobis(triphenylphosphine oxide)-zinc(II), -cadmium(II), and -mercury(II),
J. Chem. Soc., Dalton Trans., 1978, 9, 1102, https://doi.org/10.1039/dt9780001102
. [all data]
Huinink, Van Miltenburg, et al., 1989
Huinink, Jan; Van Miltenburg, Kees; Oonk, Harry A.J.; Schuijff, Abraham; Groen, Paul,
Thermodynamic functions and vapor pressures of triphenylphosphine oxide and 1,4-bis(diphenylphosphino)butane near the melting point,
J. Chem. Eng. Data, 1989, 34, 1, 99-100, https://doi.org/10.1021/je00055a028
. [all data]
Kirklin and Domalski, 1988, 2
Kirklin, D.R.; Domalski, E.S.,
Enthalpies of combustion of triphenylphosphine and triphenylphosphine oxide,
J. Chem. Thermodynam., 1988, 20, 743-754. [all data]
Huinink, van Miltenberg, et al., 1989
Huinink, J.; van Miltenberg, K.; Oonk, H.A.J.; Scherijff, A.,
Thermodynamic functions and vapor pressures of triphenylphosphine oxide and 1,4-bis(diphenylphosphino)butane,
J. Chem. Eng. Data, 1989, 34(1), 99-100. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Jorge, Airoldi, et al., 1978, 3
Jorge, R.A.; Airoldi, C.; Chagas, A.P.,
Thermochemistry of dichlorobis(triphenylphosphine oxide)-zinc(II), -cadmium(II),
and -mercury(II), 1978, J. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Hankemeier, Rozenbrand, et al., 1998
Hankemeier, Th.; Rozenbrand, J.; Abhadur, M.; Vreuls, J.J.; Brinkman, U.A.Th.,
Data Correlation in On-Line Solid-Phase Extraction - Gas Chromatography - Atomic Emission / Mass Spectrometric Detection of Unknown Microcontaminants,
Chromatographia, 1998, 48, 3/4, 273-283, https://doi.org/10.1007/BF02467683
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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