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Experimental data for C3H7N (Cyclopropylamine)

22 02 02 11 45
Other names
Aminocyclopropane; Cyclopropanamine; Cyclopropylamine;
INChI INChIKey SMILES IUPAC name
InChI=1S/C3H7N/c4-3-1-2-3/h3H,1-2,4H2 HTJDQJBWANPRPF-UHFFFAOYSA-N NC1CC1 Cyclopropanamine
State Conformation
1A' C1
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 77.30   kJ mol-1 TRC
Hfg(0K) enthalpy of formation 97.50   kJ mol-1 TRC
Entropy (298.15K) entropy 285.51   J K-1 mol-1 TRC
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 16.97   kJ 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
1 A' 3348   1979Kal/Pow:506      
2 A' 3100   1979Kal/Pow:506      
3 A' 3032   1979Kal/Pow:506      
4 A' 2975   1979Kal/Pow:506      
5 A' 1617   1979Kal/Pow:506      
6 A' 1456   1979Kal/Pow:506      
7 A' 1374   1979Kal/Pow:506      
8 A' 1214   1979Kal/Pow:506      
9 A' 1168   1979Kal/Pow:506      
10 A' 1150   1979Kal/Pow:506      
11 A' 1020   1979Kal/Pow:506      
12 A' 989   1979Kal/Pow:506      
13 A' 805   1979Kal/Pow:506      
14 A' 762   1979Kal/Pow:506      
15 A' 408   1979Kal/Pow:506      
16 A" 3412   1979Kal/Pow:506      
17 A" 3100   1979Kal/Pow:506      
18 A" 3023   1979Kal/Pow:506      
19 A" 1424   1979Kal/Pow:506      
20 A" 1104   1979Kal/Pow:506      
21 A" 1045   1979Kal/Pow:506      
22 A" 1026   1979Kal/Pow:506      
23 A" 940   1979Kal/Pow:506      
24 A" 884   1979Kal/Pow:506      
25 A" 830   1979Kal/Pow:506      
26 A" 396   1979Kal/Pow:506      
27 A" 254   1979Kal/Pow:506      

vibrational zero-point energy: 20928.0 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for C3H7N (Cyclopropylamine).
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
0.54271 0.22426 0.19331 1969Hen/Har:700

Calculated rotational constants for C3H7N (Cyclopropylamine).
Product of moments of inertia moments of inertia
203621.8amu3Å6   9.3237857802675E-115gm3 cm6
Geometric Data
picture of Cyclopropylamine

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
rCH 1.080   1 2 1969Hen/Har:700 !need more info
rNH 1.011   3 6 1969Hen/Har:700
rCC 1.520   1 4 1969Hen/Har:700
rCN 1.428   1 3 1969Hen/Har:700
aCCC 60 1 4 5 1969Hen/Har:700
aHCH 116.2 8 4 10 1969Hen/Har:700

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for C3H7N (Cyclopropylamine).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 5
H-N 2
C-C 3
C-N 1

Connectivity
Atom 1 Atom 2
C1 H2
C1 N3
C1 C4
C1 C5
N3 H6
N3 H7
C4 C5
C4 H8
C4 H10
C5 H9
C5 H11
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
8.800   9.800   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' C1 True       1.190 1974Hel/Hel(II/6) μ = 1.19± 0.01 μa=0.43+0.01 μc=1.11± 0.01 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 C3H7N (Cyclopropylamine).
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' C1 True       Cs 2 3

Calculated electric quadrupole moments for C3H7N (Cyclopropylamine).

References
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squib reference DOI
1969Hen/Har:700 Hendricksen, D.; Harmony, M. "Microwave Spectra of Nitrogen-Containing Molecules. IV. Conformation, Dipole Moment, and Quadropole Coupling Constants of Cyclopropylamine." Journal of Chemical Physics. 51, 700-705 (1969) 10.1063/1.1672059
1974Hel/Hel(II/6) Hellwege, KH and AM Hellwege (eds.). Landolt-Bornstein: Group II: Volume 6 Molecular Constants from Microwave, Molecular Beam, and Electron Spin Resonance Spectroscopy Springer-Verlag. Berlin. 1974. 10.1007/b19951 
1979Kal/Pow:506 Kalasinsky, Powers, and Harris. Vibrational Spectra and Conformations of Cyclopropylamine. J. Phys. Chem. Vol. 83. #4. pgs. 506-510. 10.1021/j100467a016
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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