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All results from a given calculation for CH3CH2NH2 (Ethylamine)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-135.183212
Energy at 298.15K-135.191346
HF Energy-135.183212
Nuclear repulsion energy82.999734
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 wB97X-D/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' 3524 3369 0.83      
2 A' 3117 2980 43.32      
3 A' 3055 2921 36.90      
4 A' 3036 2902 22.58      
5 A' 1664 1591 22.48      
6 A' 1505 1439 2.85      
7 A' 1487 1421 0.37      
8 A' 1420 1358 12.15      
9 A' 1392 1331 8.46      
10 A' 1166 1114 9.63      
11 A' 1084 1036 28.24      
12 A' 906 866 26.42      
13 A' 864 826 148.89      
14 A' 411 393 6.58      
15 A" 3604 3446 0.14      
16 A" 3114 2977 61.57      
17 A" 3085 2949 2.74      
18 A" 1500 1434 8.18      
19 A" 1399 1337 0.03      
20 A" 1275 1219 0.04      
21 A" 1015 971 1.09      
22 A" 777 743 1.15      
23 A" 281 269 26.16      
24 A" 230 219 18.87      

Unscaled Zero Point Vibrational Energy (zpe) 20454.3 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 19554.3 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 wB97X-D/cc-pVTZ
ABC
1.07150 0.29407 0.26254

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.302 -0.092 0.000
C2 0.000 0.572 0.000
C3 1.209 -0.350 0.000
H4 2.146 0.212 0.000
H5 1.209 -0.994 0.881
H6 1.209 -0.994 -0.881
H7 0.034 1.229 -0.872
H8 0.034 1.229 0.872
H9 -1.386 -0.686 0.813
H10 -1.386 -0.686 -0.813

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 H7 H8 H9 H10
N11.46202.52443.46202.80962.80962.07142.07141.01051.0105
C21.46201.52042.17642.16612.16611.09161.09162.04102.0410
C32.52441.52041.09281.09201.09202.15182.15182.74032.7403
H43.46202.17641.09281.76421.76422.50062.50063.73443.7344
H52.80962.16611.09201.76421.76243.06482.51412.61363.1142
H62.80962.16611.09201.76421.76242.51413.06483.11422.6136
H72.07141.09162.15182.50063.06482.51411.74322.91922.3846
H82.07141.09162.15182.50062.51413.06481.74322.38462.9192
H91.01052.04102.74033.73442.61363.11422.91922.38461.6268
H101.01052.04102.74033.73443.11422.61362.38462.91921.6268

picture of Ethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 115.637 N1 C2 H7 107.541
N1 C2 H8 107.541 C2 N1 H9 109.933
C2 N1 H10 109.933 C2 C3 H4 111.737
C2 C3 H5 110.957 C2 C3 H6 110.957
C3 C2 H7 109.844 C3 C2 H8 109.844
H4 C3 H5 107.703 H4 C3 H6 107.703
H5 C3 H6 107.603 H7 C2 H8 105.969
H9 N1 H10 107.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.309      
2 C -0.071      
3 C -0.267      
4 H 0.081      
5 H 0.079      
6 H 0.079      
7 H 0.086      
8 H 0.086      
9 H 0.118      
10 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.894 -0.902 0.000 1.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.772 2.526 0.000
y 2.526 -20.304 0.000
z 0.000 0.000 -19.045
Traceless
 xyz
x -4.097 2.526 0.000
y 2.526 1.105 0.000
z 0.000 0.000 2.993
Polar
3z2-r25.985
x2-y2-3.468
xy2.526
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.544 0.083 0.000
y 0.083 5.041 0.000
z 0.000 0.000 4.859


<r2> (average value of r2) Å2
<r2> 58.281
(<r2>)1/2 7.634

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-135.182966
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 wB97X-D/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at wB97X-D/cc-pVTZ
ABC
1.07150 0.29407 0.26254

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability