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All results from a given calculation for CH3CH2NH2 (Ethylamine)

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A'
1 2 no C1 gauche 1A

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-135.144295
Energy at 298.15K-135.152384
HF Energy-135.144295
Nuclear repulsion energy82.522460
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B97D3/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3403 3355 4.03      
2 A' 3030 2988 57.52      
3 A' 2973 2931 40.42      
4 A' 2961 2920 30.35      
5 A' 1635 1612 17.17      
6 A' 1475 1455 1.70      
7 A' 1457 1437 0.08      
8 A' 1376 1357 4.87      
9 A' 1350 1331 13.84      
10 A' 1126 1110 9.60      
11 A' 1027 1012 21.86      
12 A' 885 872 84.60      
13 A' 835 824 87.85      
14 A' 396 391 5.73      
15 A" 3483 3434 0.59      
16 A" 3037 2995 68.38      
17 A" 3001 2958 7.59      
18 A" 1466 1445 6.76      
19 A" 1366 1347 0.01      
20 A" 1248 1231 0.11      
21 A" 992 978 0.82      
22 A" 767 756 1.08      
23 A" 281 277 26.49      
24 A" 241 238 14.95      

Unscaled Zero Point Vibrational Energy (zpe) 19905.0 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 19626.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B97D3/cc-pVTZ
ABC
1.06278 0.29008 0.25909

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.313 -0.085 0.000
C2 0.000 0.576 0.000
C3 1.217 -0.356 0.000
H4 2.158 0.208 0.000
H5 1.212 -1.003 0.886
H6 1.212 -1.003 -0.886
H7 0.039 1.234 -0.877
H8 0.039 1.234 0.877
H9 -1.384 -0.697 0.811
H10 -1.384 -0.697 -0.811

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 H7 H8 H9 H10
N11.47012.54473.48332.82892.82892.08262.08261.01801.0180
C21.47011.53292.18882.17832.17831.09701.09702.04712.0471
C32.54471.53291.09711.09661.09662.16432.16432.74502.7450
H43.48332.18881.09711.77361.77362.51172.51173.74383.7438
H52.82892.17831.09661.77361.77163.07962.52522.61423.1155
H62.82892.17831.09661.77361.77162.52523.07963.11552.6142
H72.08261.09702.16432.51173.07962.52521.75372.93242.3991
H82.08261.09702.16432.51172.52523.07961.75372.39912.9324
H91.01802.04712.74503.74382.61423.11552.93242.39911.6213
H101.01802.04712.74503.74383.11552.61422.39912.93241.6213

picture of Ethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.840 N1 C2 H7 107.553
N1 C2 H8 107.553 C2 N1 H9 109.372
C2 N1 H10 109.372 C2 C3 H4 111.589
C2 C3 H5 110.775 C2 C3 H6 110.775
C3 C2 H7 109.650 C3 C2 H8 109.650
H4 C3 H5 107.899 H4 C3 H6 107.899
H5 C3 H6 107.754 H7 C2 H8 106.137
H9 N1 H10 105.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.292      
2 C -0.059      
3 C -0.253      
4 H 0.071      
5 H 0.074      
6 H 0.074      
7 H 0.077      
8 H 0.077      
9 H 0.116      
10 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.833 -0.869 0.000 1.204
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.970 2.449 0.000
y 2.449 -20.495 0.000
z 0.000 0.000 -19.277
Traceless
 xyz
x -4.085 2.449 0.000
y 2.449 1.129 0.000
z 0.000 0.000 2.956
Polar
3z2-r25.912
x2-y2-3.475
xy2.449
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.944 0.083 0.000
y 0.083 5.256 0.000
z 0.000 0.000 5.021


<r2> (average value of r2) Å2
<r2> 58.945
(<r2>)1/2 7.678

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-135.143699
Energy at 298.15K 
Nuclear repulsion energy 
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B97D3/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at B97D3/cc-pVTZ
ABC
1.06278 0.29008 0.25909

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability