Allene
- Formula: C3H4
- Molecular weight: 40.0639
- IUPAC Standard InChIKey: IYABWNGZIDDRAK-UHFFFAOYSA-N
- CAS Registry Number: 463-49-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Propadiene; 1,2-Propadiene; sym-Allylene; Dimethylenemethane; CH2=C=CH2; Propa-1,2-diene
- Permanent link for this species. Use this link for bookmarking this species for future reference.
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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:
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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 240. ± 2. | K | AVG | N/A | Average of 7 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 137.1 | K | N/A | Kistiakowsky, Ruhoff, et al., 1936 | Uncertainty assigned by TRC = 0.3 K; TRC |
| Tfus | 127. | K | N/A | Lespieau and Chavanne, 1905 | Uncertainty assigned by TRC = 10. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Ttriple | 136.59 | K | N/A | Pomerantz, Fookson, et al., 1954 | Uncertainty assigned by TRC = 0.2 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Tc | 394. | K | N/A | Tsonopoulos and Ambrose, 1996 | |
| Quantity | Value | Units | Method | Reference | Comment |
| Pc | 52.5 | bar | N/A | Tsonopoulos and Ambrose, 1996 |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 22.6 | 259. | A | Stephenson and Malanowski, 1987 | Based on data from 136. to 274. K.; AC |
| 19.9 | 231. | A | Stephenson and Malanowski, 1987 | Based on data from 193. to 246. K.; AC |
| 21.3 | 223. | N/A | Stull, 1947 | Based on data from 153. to 238. K.; AC |
| 22.9 | 174. | N/A | Lamb and Roper, 1940 | Based on data from 138. to 189. K. See also Boublik, Fried, et al., 1984.; AC |
| 20.9 | 220. | MM | Livingston and Heisig, 1930 | Based on data from 203. to 236. K.; AC |
| 21.5 | 245. | N/A | Maass and Wright, 1921 | Based on data from 200. to 260. K. See also Boublik, Fried, et al., 1984.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 152.5 to 238. | 3.79809 | 755.286 | -39.159 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Reaction thermochemistry 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:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C3H3- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1590. ± 8.4 | kJ/mol | D-EA | Robinson, Polak, et al., 1995 | gas phase; Neutral acid: allene. Propyne would be 1.0 kcal/mol less acidic.; B |
| ΔrH° | 1596. ± 13. | kJ/mol | G+TS | Robinson, Polak, et al., 1995 | gas phase; Relative to MeOH at 375.0; kinetic scheme factors in isomerization; B |
| ΔrH° | 1592. ± 8.8 | kJ/mol | D-EA | Oakes and Ellison, 1983 | gas phase; Neutral acid: allene. Propyne would be 1.0 kcal/mol less acidic.; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1560. ± 13. | kJ/mol | IMRE | Robinson, Polak, et al., 1995 | gas phase; Relative to MeOH at 375.0; kinetic scheme factors in isomerization; B |
| ΔrG° | 1556. ± 9.2 | kJ/mol | H-TS | Oakes and Ellison, 1983 | gas phase; Neutral acid: allene. Propyne would be 1.0 kcal/mol less acidic.; B |
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -295.1 ± 1.0 | kJ/mol | Chyd | Kistiakowsky, Ruhoff, et al., 1936, 2 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -298.2 ± 0.84 kJ/mol; At 355 °K; ALS |
(CAS Reg. No. 86046-90-4 • 4294967295) +
= CAS Reg. No. 86046-90-4
By formula: (CAS Reg. No. 86046-90-4 • 4294967295C3H4) + C3H4 = CAS Reg. No. 86046-90-4
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 62. ± 15. | kJ/mol | Ther | Bartmess and Burnham, 1984 | gas phase; value altered from reference due to change in acidity scale; B |
(CAS Reg. No. 83268-51-3 • 4294967295) +
= CAS Reg. No. 83268-51-3
By formula: (CAS Reg. No. 83268-51-3 • 4294967295C3H4) + C3H4 = CAS Reg. No. 83268-51-3
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 106. ± 10. | kJ/mol | N/A | Bartmess and Burnham, 1984 | gas phase; value altered from reference due to change in acidity scale; B |
(CAS Reg. No. 1724-46-5 • 4294967295) +
= CAS Reg. No. 1724-46-5
By formula: (CAS Reg. No. 1724-46-5 • 4294967295C3H4) + C3H4 = CAS Reg. No. 1724-46-5
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 210. ± 9.2 | kJ/mol | N/A | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
By formula: C3H4 = C3H4
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -3.8 ± 2.1 | kJ/mol | Cm | Cordes and Gunzler, 1959 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -3.4 kJ/mol; ALS |
(CAS Reg. No. 86046-88-0 • 4294967295) +
= CAS Reg. No. 86046-88-0
By formula: (CAS Reg. No. 86046-88-0 • 4294967295C3H4) + C3H4 = CAS Reg. No. 86046-88-0
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 111. ± 39. | kJ/mol | Ther | Bartmess and Burnham, 1984 | gas phase; Between H2O, MeOH; B |
By formula: Rh+ + C3H4 = (Rh+ • C3H4)
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 222. (+19.,-0.) | CID | Chen and Armetrout, 1995 | gas phase; guided ion beam CID; M |
By formula: Cr+ + C3H4 = (Cr+ • C3H4)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 176. ± 8.4 | kJ/mol | CIDT | Fisher and Armentrout, 1992 | propyne or allene; RCD |
Ion clustering 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:
RCD - Robert C. Dunbar
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: Cr+ + C3H4 = (Cr+ • C3H4)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 176. ± 8.4 | kJ/mol | CIDT | Fisher and Armentrout, 1992 | propyne or allene; RCD |
By formula: Rh+ + C3H4 = (Rh+ • C3H4)
Enthalpy of reaction
| ΔrH° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 222. (+19.,-0.) | CID | Chen and Armetrout, 1995 | gas phase; guided ion beam CID; M |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Vibrational and/or electronic energy levels
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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: Takehiko Shimanouchi
Symmetry: D2d Symmetry Number σ = 4
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| a1 | 1 | CH2 s-str | 3015 | A | 3015.0 | gas | ||||
| a1 | 2 | CH2 scis | 1443 | A | 1442.6 | gas | ||||
| a1 | 3 | CC str | 1073 | A | 1072.6 | gas | ||||
| b1 | 4 | CH2 twist | 865 | C | 865 | gas | 865 | liq. | ||
| b2 | 5 | CH2 s-str | 3007 | A | 3006.7 | gas | ||||
| b2 | 6 | CC str | 1957 | C | 1957 | gas | 1960 | liq. | ||
| b2 | 7 | CH2 scis | 1398 | C | 1398 | gas | 1421 | liq. | ||
| e | 8 | CH2 a-str | 3086 | A | 3085.5 | gas | ||||
| e | 9 | CH2 rock | 999 | A | 999.1 | gas | ||||
| e | 10 | CH2 wag | 841 | A | 840.8 | gas | ||||
| e | 11 | CCC deform | 355 | A | 355.3 | gas | ||||
Source: Shimanouchi, 1972
Notes
| A | 0~1 cm-1 uncertainty |
| C | 3~6 cm-1 uncertainty |
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
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | CP Sil 5 CB | 20. | 329.5 | Do and Raulin, 1992 | 25. m/0.15 mm/2. μm, H2 |
| Capillary | PoraPLOT Q | 100. | 311. | Do and Raulin, 1989 | 10. m/0.32 mm/10. μm, H2 |
| Capillary | PoraPLOT Q | 160. | 316. | Do and Raulin, 1989 | 10. m/0.32 mm/10. μm, H2 |
| Packed | Squalane | 27. | 317. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
| Packed | Squalane | 49. | 318. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
| Packed | Squalane | 67. | 319. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
| Packed | Squalane | 86. | 320. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
| Packed | Squalane | 26. | 336. | Zulaïca and Guiochon, 1966 | Column length: 10. m |
Kovats' RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-1 | 326. | Hoekman, 1993 | 60. m/0.32 mm/1.0 μm, He; Program: -40 C for 12 min; -40 - 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 - 220 C at 20 deg/min; hold 220 C for 2 min |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Polydimethyl siloxane: CP-Sil 5 CB | 326. | Bramston-Cook, 2013 | 60. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min |
| Capillary | Petrocol DH | 337. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Ion clustering data, IR Spectrum, Vibrational and/or electronic energy levels, Gas Chromatography, NIST Free Links, NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kistiakowsky, Ruhoff, et al., 1936
Kistiakowsky, G.B.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E.,
Heats of Organic Reactions IV. Hydrogenation of Some Dienes and of Benzene,
J. Am. Chem. Soc., 1936, 58, 146-53. [all data]
Lespieau and Chavanne, 1905
Lespieau, R.; Chavanne, G.,
Liquefaction of Propadiene and Propyne.,
C. R. Hebd. Seances Acad. Sci., 1905, 140, 1035-1036. [all data]
Pomerantz, Fookson, et al., 1954
Pomerantz, P.; Fookson, A.; Mears, T.W.; Rothberg, S.; Howard, F.L.,
Synth. and Phys. Prop. of Several Aliphatic and Alicyclic Hydrocarbons hydrocarbons,
J. Res. Natl. Bur. Stand. (U. S.), 1954, 52, 59-65. [all data]
Tsonopoulos and Ambrose, 1996
Tsonopoulos, C.; Ambrose, D.,
Vapor-Liquid Critical Properties of Elements and Compounds. 6. Unsaturated Aliphatic Hydrocarbons,
J. Chem. Eng. Data, 1996, 41, 645-656. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Lamb and Roper, 1940
Lamb, Arthur B.; Roper, Edwin E.,
The Vapor Pressures of Certain Unsaturated Hydrocarbons,
J. Am. Chem. Soc., 1940, 62, 4, 806-814, https://doi.org/10.1021/ja01861a032
. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]
Livingston and Heisig, 1930
Livingston, Robert; Heisig, G.B.,
THE VAPOR PRESSURE OF ALLENE AS A FUNCTION OF TEMPERATURE,
J. Am. Chem. Soc., 1930, 52, 6, 2409-2410, https://doi.org/10.1021/ja01369a031
. [all data]
Maass and Wright, 1921
Maass, O.; Wright, C.H.,
SOME PHYSICAL PROPERTIES OF HYDROCARBONS CONTAINING TWO AND THREE CARBON ATOMS.,
J. Am. Chem. Soc., 1921, 43, 5, 1098-1111, https://doi.org/10.1021/ja01438a013
. [all data]
Robinson, Polak, et al., 1995
Robinson, M.S.; Polak, M.L.; Bierbaum, V.M.; DePuy, C.H.; Lineberger, W.C.,
Experimental Studies of Allene, Methylacetylene, and the Propargyl Radical: Bond Dissociation Energies, Gas-Phase Acidities, and Ion-Molecule Chemistry,
J. Am. Chem. Soc., 1995, 117, 25, 6766, https://doi.org/10.1021/ja00130a017
. [all data]
Oakes and Ellison, 1983
Oakes, J.M.; Ellison, B.G.,
Photoelectron spectroscopy of the allenyl anion CH2=C=CH-,
J. Am. Chem. Soc., 1983, 105, 2969. [all data]
Kistiakowsky, Ruhoff, et al., 1936, 2
Kistiakowsky, G.B.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E.,
Heats of organic reactions. IV. Hydrogenation of some dienes and of benzene,
J. Am. Chem. Soc., 1936, 58, 146-153. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Bartmess and Burnham, 1984
Bartmess, J.E.; Burnham, R.,
Effect of central substituents on the gas phase acidities of propenes,
J. Org. Chem., 1984, 49, 1382. [all data]
Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr.,
The gas phase acidity scale from methanol to phenol,
J. Am. Chem. Soc., 1979, 101, 6047. [all data]
Cordes and Gunzler, 1959
Cordes, J.F.; Gunzler, H.,
Das propin/propadien-gleichgewicht,
Chem. Ber., 1959, 92, 1055-1062. [all data]
Chen and Armetrout, 1995
Chen, Y.M.; Armetrout, P.B.,
Activation of C2H6, C3H8, and c-C3H6 by Gas-Phase Rh+ and the Thermochemistry of Rh-Ligand Complexes,
J. Am. Chem. Soc., 1995, 117, 36, 9291, https://doi.org/10.1021/ja00141a022
. [all data]
Fisher and Armentrout, 1992
Fisher, E.R.; Armentrout, P.B.,
Activation of Alkanes by Cr+: Unique Reactivity of Ground-State Cr+(6S) and Thermochemistry of Neutral and Ionic Chromium-Carbon Bonds,
J. Am. Chem. Soc., 1992, 114, 6, 2039, https://doi.org/10.1021/ja00032a017
. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Do and Raulin, 1992
Do, L.; Raulin, F.,
Gas chromatography of Titan's atmosphere. III. Analysis of low-molecular-weight hydrocarbons and nitriles with a CP-Sil-5 CB WCOT capillary column,
J. Chromatogr., 1992, 591, 1-2, 297-301, https://doi.org/10.1016/0021-9673(92)80247-R
. [all data]
Do and Raulin, 1989
Do, L.; Raulin, F.,
Gas chromatography of Titan's atmosphere. I. Analysis of low-molecular-weight hydrocarbons and nitriles with a PoraPLOT Q porous polymer coated open-tubular capillary column,
J. Chromatogr., 1989, 481, 45-54, https://doi.org/10.1016/S0021-9673(01)96751-2
. [all data]
Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E.,
Variation of the retention index with temperature on squalane substrates,
J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203
. [all data]
Zulaïca and Guiochon, 1966
Zulaïca, J.; Guiochon, G.,
Analyse des hauts polymères par chromatographie en phase gazeuse de leurs produits de pyrolyse. II. Application à quelques hydrocarbures macromoléculaires purs,
Bull. Soc. Chim. Fr., 1966, 4, 1351-1363. [all data]
Hoekman, 1993
Hoekman, S.K.,
Improved gas chromatography procedure for speciated hydrocarbon measurements of vehicle emissions,
J. Chromatogr., 1993, 639, 2, 239-253, https://doi.org/10.1016/0021-9673(93)80260-F
. [all data]
Bramston-Cook, 2013
Bramston-Cook, R.,
Kovats indices for C2-C13 hydrocarbons and selected oxygenated/halocarbons with 100 % dimethylpolysiloxane columns, 2013, retrieved from http://lotusinstruments.com/monographs/List .... [all data]
Supelco, 2012
Supelco, CatalogNo. 24160-U,
Petrocol DH Columns. Catalog No. 24160-U, 2012, retrieved from http://www.sigmaaldrich.com/etc/medialib/docs/Supelco/Datasheet/1/w97949.Par.0001.File.tmp/w97949.pdf. [all data]
Notes
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- Symbols used in this document:
Pc Critical pressure T Temperature Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - 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.
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