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Experimental data for CH3CH(NH2)CH3 (2-Propanamine)

22 02 02 11 45
Other names
1-Methylethylamine; 2-Amino-propaan; 2-Aminopropan; 2-Aminopropane; 2-Amino-propano; 2-Propanamine; 2-Propylamine; iso-C3H7NH2; Isopropilamina; Isopropylamine; MIPA; Monoisopropylamine; Propane, 2-amino-; Propylamine mono; sec-Propylamine; propan-2-amine;
INChI INChIKey SMILES IUPAC name
InChI=1S/C3H9N/c1-3(2)4/h3H,4H2,1-2H3 JJWLVOIRVHMVIS-UHFFFAOYSA-N CC(C)N propan-2-amine
State Conformation
1A' CS
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation -83.70   kJ mol-1 TRC
Hfg(0K) enthalpy of formation -56.90   kJ mol-1 TRC
Entropy (298.15K) entropy 312.24   J K-1 mol-1 TRC
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 18.80   kJ mol-1 TRC
Heat Capacity (298.15K) heat capacity 97.55   J K-1 mol-1 TRC
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference

Calculated vibrational frequencies for CH3CH(NH2)CH3 (2-Propanamine).
Gas-phase IR spectra can be found in the NIST Chemistry Webbook here.
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.27792 0.26609 0.15468 1977Meh/Gri:244

Calculated rotational constants for CH3CH(NH2)CH3 (2-Propanamine).
Product of moments of inertia moments of inertia
418803.4amu3Å6   1.9176889276305E-114gm3 cm6
Geometric Data
picture of 2-Propanamine

Point Group Cs


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for CH3CH(NH2)CH3 (2-Propanamine).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 7
H-N 2
C-C 2
C-n 1

Connectivity
Atom 1 Atom 2
C1 N2
C1 H3
C1 C4
C1 C5
N2 H6
N2 H7
C4 H8
C4 H10
C4 H12
C5 H9
C5 H11
C5 H13
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A'

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
8.630 0.100 9.310   webbook
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1A' Cs True   0.100 1.190 1.190 1977Meh/Gri:244 μb=0.1± 0.04, μc=1.19 ± 0.03 D Cs 2 3
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for CH3CH(NH2)CH3 (2-Propanamine).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1A' Cs True       Cs 2 3

Calculated electric quadrupole moments for CH3CH(NH2)CH3 (2-Propanamine).
Electric dipole polarizability (Å3) polarizability
alpha unc. Reference
7.769   1998Gus/Rui:163

Calculated electric dipole polarizability for CH3CH(NH2)CH3 (2-Propanamine).

References
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squib reference DOI
1977Meh/Gri:244 SC Mehrotra, LL Griffin, CO Britt, JE Boggs "Microwave Spectrum, Structure, Dipole Moment, and Quadrupole Coupling Constants of Isopropylamine" J. Mol. Spec. 64, 244-251 (1977) 10.1016/0022-2852(77)90264-8
1998Gus/Rui:163 M Gussoni, R Rui, G Zerbi "Electronic and relaxation contribution to linear molecular polarizability. An analysis of the experimental values" J. Mol. Struct. 447 (1998) 163-215 10.1016/S0022-2860(97)00292-5
TRC Frenkel, M; Marsh, K.N.; Wilhoit, R.C.; Kabo, G.J.; Roganov, G.N.,Thermodynamics of Organic Compounds in the Gas State,Thermodynamics Research Center, College Station, TX, 1994  
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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