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All results from a given calculation for CH3CH2NH2 (Ethylamine)

using model chemistry: M06-2X/3-21G*

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 M06-2X/3-21G*
 hartrees
Energy at 0K-134.350846
Energy at 298.15K-134.359076
HF Energy-134.350846
Nuclear repulsion energy82.173558
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 M06-2X/3-21G*
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' 3411 3230 0.32      
2 A' 3151 2985 31.98      
3 A' 3118 2954 18.40      
4 A' 3083 2920 15.08      
5 A' 1717 1626 22.27      
6 A' 1573 1490 4.38      
7 A' 1558 1476 0.96      
8 A' 1466 1389 7.58      
9 A' 1417 1342 5.78      
10 A' 1173 1111 13.84      
11 A' 1059 1003 9.50      
12 A' 903 855 15.65      
13 A' 725 686 267.72      
14 A' 402 380 8.02      
15 A" 3513 3328 0.02      
16 A" 3177 3009 42.74      
17 A" 3148 2982 0.48      
18 A" 1572 1489 9.80      
19 A" 1413 1339 0.09      
20 A" 1307 1238 0.01      
21 A" 1032 977 1.89      
22 A" 811 768 1.97      
23 A" 344 326 55.93      
24 A" 289 274 8.78      

Unscaled Zero Point Vibrational Energy (zpe) 20680.1 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 19588.2 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 M06-2X/3-21G*
ABC
1.04181 0.28868 0.25758

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.305 -0.107 0.000
C2 0.000 0.588 0.000
C3 1.226 -0.352 0.000
H4 2.162 0.215 0.000
H5 1.209 -0.994 0.888
H6 1.209 -0.994 -0.888
H7 0.032 1.237 -0.881
H8 0.032 1.237 0.881
H9 -1.434 -0.681 0.837
H10 -1.434 -0.681 -0.837

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 H7 H8 H9 H10
N11.47832.54233.48142.80952.80952.09032.09031.02321.0232
C21.47831.54502.19372.18002.18001.09431.09432.08972.0897
C32.54231.54501.09461.09551.09552.17392.17392.80772.8077
H43.48142.19371.09461.77691.77692.52082.52083.79903.7990
H52.80952.18001.09551.77691.77593.08032.52212.66203.1718
H62.80952.18001.09551.77691.77592.52213.08033.17182.6620
H72.09031.09432.17392.52083.08032.52211.76122.96282.4143
H82.09031.09432.17392.52082.52213.08031.76122.41432.9628
H91.02322.08972.80773.79902.66203.17182.96282.41431.6748
H101.02322.08972.80773.79903.17182.66202.41432.96281.6748

picture of Ethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.455 N1 C2 H7 107.749
N1 C2 H8 107.749 C2 N1 H9 112.030
C2 N1 H10 112.030 C2 C3 H4 111.275
C2 C3 H5 110.138 C2 C3 H6 110.138
C3 C2 H7 109.727 C3 C2 H8 109.727
H4 C3 H5 108.455 H4 C3 H6 108.455
H5 C3 H6 108.302 H7 C2 H8 107.162
H9 N1 H10 109.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.683      
2 C -0.254      
3 C -0.589      
4 H 0.191      
5 H 0.188      
6 H 0.188      
7 H 0.210      
8 H 0.210      
9 H 0.269      
10 H 0.269      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.950 -1.078 0.000 1.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.777 2.833 0.000
y 2.833 -19.981 0.000
z 0.000 0.000 -18.905
Traceless
 xyz
x -4.333 2.833 0.000
y 2.833 1.360 0.000
z 0.000 0.000 2.974
Polar
3z2-r25.947
x2-y2-3.795
xy2.833
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.207 0.354 0.000
y 0.354 3.778 0.000
z 0.000 0.000 4.008


<r2> (average value of r2) Å2
<r2> 59.126
(<r2>)1/2 7.689

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-134.349865
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 M06-2X/3-21G*
Rotational Constants (cm-1) from geometry optimized at M06-2X/3-21G*
ABC
1.04181 0.28868 0.25758

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability