1,3-Pentadiene, 2,4-dimethyl-
- Formula: C7H12
- Molecular weight: 96.1702
- IUPAC Standard InChIKey: CMSUNVGIWAFNBG-UHFFFAOYSA-N
- CAS Registry Number: 1000-86-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 1,1,3-Trimethylbutadiene; 2,4-Dimethyl-1,3-pentadiene; (CH3)2C=CHC(CH3)=CH2; 2,4-dimethylpenta-1,3-diene
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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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 366.6 ± 0.7 | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 157.15 | K | N/A | Kelso, Greenlee, et al., 1955 | Uncertainty assigned by TRC = 1. K; TRC |
Tfus | 157.2 | K | N/A | Boord, Henne, et al., 1949 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 157.15 | K | N/A | Boord, Greenlee, et al., 1947 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tfus | 157.15 | K | N/A | Boord, Greenlee, et al., 1946 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 159.15 | K | N/A | Waterman and de Kok, 1933 | Uncertainty assigned by TRC = 5. K; "solidfying point" measured by C. van Vlodrop; TRC |
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 by: Edward P. Hunter and Sharon G. Lias
View reactions leading to C7H12+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 886.5 | kJ/mol | N/A | Hunter and Lias, 1998 | |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 857.6 | kJ/mol | N/A | Hunter and Lias, 1998 |
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.
Kelso, Greenlee, et al., 1955
Kelso, R.G.; Greenlee, K.W.; Derfer, J.M.; Boord, C.E.,
The Synthesis, Purification and Properties of Some Polyalkylcyclo- propanes: Reduction of α,.gama.-Dibromides,
J. Am. Chem. Soc., 1955, 77, 1751-5. [all data]
Boord, Henne, et al., 1949
Boord, C.E.; Henne, A.L.; Greenlee, K.W.; Perilstein, W.L.; Derfer, J.M.,
The Grignard Reagent in hydrocarbon synthesis,
Ind. Eng. Chem., 1949, 41, 609. [all data]
Boord, Greenlee, et al., 1947
Boord, C.E.; Greenlee, K.W.; Perilstein, W.L.; Derfer, J.M.,
The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Wt., Am. Pet. Inst. Res. Proj. 45, Ninth Annu. Rep., Ohio State Univ., June 30, 1947. [all data]
Boord, Greenlee, et al., 1946
Boord, C.E.; Greenlee, K.W.; Perilstein, W.L.,
The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Weight, Am. Pet. Inst. Res. Proj. 45, Eighth Annu. Rep., Ohio State Univ., June 30, 1946. [all data]
Waterman and de Kok, 1933
Waterman, H.I.; de Kok, W.J.C.,
Preparation of Pure 2,4-Dimethylpentadiene-1,3,
Recl. Trav. Chim. Pays-Bas, 1933, 52, 235. [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]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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