1,1':4',1'':4'',1''':4''',1''''-Quinquephenyl
- Formula: C30H22
- Molecular weight: 382.4957
- IUPAC Standard InChIKey: OMCUOJTVNIHQTI-UHFFFAOYSA-N
- CAS Registry Number: 3073-05-0
- 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: p-Quinquephenyl; p-Pentaphenyl; p-Quinquiphenyl
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 645. | K | N/A | Vdovtsova and Tsukervanik, 1954 | Uncertainty assigned by TRC = 6. K; TRC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.110 | 659.6 | Smith, 1979 | Solid-nematic phase change.; DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
15.3 | 659.6 | Smith, 1979 | Solid-nematic; DH |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.220 | 688.1 | liquid | liquid | Smith, 1979 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.320 | 688.1 | liquid, Nematic | liquid, isotropic phase change | Smith, 1979 | 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 compiled by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
8.18 ± 0.05 | EI | Gallegos, 1967 |
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.
Vdovtsova and Tsukervanik, 1954
Vdovtsova, E.A.; Tsukervanik, I.P.,
Condensation of Phenylaluminum Diiodide with Aromatic Halogen Compounds,
Zh. Obshch. Khim., 1954, 24, 558. [all data]
Smith, 1979
Smith, G.W.,
Phase behavior of some linear polyphenyls,
Mol. Cryst. Liq. Cryst., 1979, 49, 207-209. [all data]
Gallegos, 1967
Gallegos, E.J.,
Mass spectrometry of some polyphenyls,
J. Phys. Chem., 1967, 71, 1647. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion - 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.