1,4,8,11-Tetraazacyclotetradecane
- Formula: C10H24N4
- Molecular weight: 200.3244
- IUPAC Standard InChI: InChI=1S/C10H24N4/c1-3-11-7-9-13-5-2-6-14-10-8-12-4-1/h11-14H,1-10H2
- IUPAC Standard InChIKey: MDAXKAUIABOHTD-UHFFFAOYSA-N
- CAS Registry Number: 295-37-4
- 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: Cyclam
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Condensed phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -116. ± 2. | kJ/mol | Ccb | Clay, Micheloni, et al., 1979 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -7249. ± 2. | kJ/mol | Ccb | Clay, Micheloni, et al., 1979 | ALS |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 374.61 | 298.15 | Clay and Steele, 1980 | Cp given as 1.87 J/g*K.; DH |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.8 | PE | Baker, Armen, et al., 1983 | LBLHLM |
| 8.5 | PE | Baker, Armen, et al., 1983 | Vertical value; LBLHLM |
References
Go To: Top, Condensed phase thermochemistry 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.
Clay, Micheloni, et al., 1979
Clay, R.M.; Micheloni, M.; Paoletti, P.; Steele, W.V.,
Enthalpies of formation and solution of macrocyclic and noncyclic tetraaza ligands. Origins of the enthalpy term in the macrocyclic effect,
J. Am. Chem. Soc., 1979, 101, 4119-4122. [all data]
Clay and Steele, 1980
Clay, R.M.; Steele, W.V.,
Enthalpy of combustion of a copper complex. Standard enthalpy of formation of bis(nitrato)(1,4,8,11-tetraazacyclo-tetradecane)copper(II),
Inorg. Chem., 1980, 19(8), 2414-2416. [all data]
Baker, Armen, et al., 1983
Baker, A.D.; Armen, G.H.; Funaro, S.,
Oral levels of crown ethers and related macrocycles studies by ultraviolet photoelectron spectroscopy: Relationship to complexation studies,
J. Chem. Soc. Dalton Trans., 1983, 2519. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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