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All results from a given calculation for CH3CH2NH2 (Ethylamine)

using model chemistry: BLYP/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 BLYP/cc-pVTZ
 hartrees
Energy at 0K-135.150961
Energy at 298.15K-135.159016
Nuclear repulsion energy82.083024
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 BLYP/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' 3360 3350 3.97      
2 A' 2997 2988 55.65      
3 A' 2950 2941 34.70      
4 A' 2940 2932 27.50      
5 A' 1621 1616 16.67      
6 A' 1470 1466 1.79      
7 A' 1452 1447 0.10      
8 A' 1370 1366 3.27      
9 A' 1344 1340 14.31      
10 A' 1112 1108 9.44      
11 A' 1004 1001 19.12      
12 A' 873 871 85.47      
13 A' 815 813 93.91      
14 A' 389 388 5.72      
15 A" 3434 3424 0.69      
16 A" 3005 2996 63.83      
17 A" 2970 2961 6.61      
18 A" 1459 1455 6.64      
19 A" 1354 1350 0.01      
20 A" 1240 1236 0.14      
21 A" 984 981 0.66      
22 A" 763 761 1.00      
23 A" 276 275 27.00      
24 A" 241 240 13.25      

Unscaled Zero Point Vibrational Energy (zpe) 19711.3 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 19652.2 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 BLYP/cc-pVTZ
ABC
1.05943 0.28544 0.25541

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.323 -0.086 0.000
C2 0.000 0.576 0.000
C3 1.228 -0.356 0.000
H4 2.167 0.216 0.000
H5 1.229 -1.004 0.888
H6 1.229 -1.004 -0.888
H7 0.038 1.235 -0.878
H8 0.038 1.235 0.878
H9 -1.404 -0.697 0.816
H10 -1.404 -0.697 -0.816

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 H7 H8 H9 H10
N11.47922.56513.50262.85382.85382.09012.09011.02251.0225
C21.47921.54152.19622.18952.18951.09891.09892.06352.0635
C32.56511.54151.09941.09871.09872.17242.17242.77672.7767
H43.50262.19621.09941.77611.77612.51802.51803.77503.7750
H52.85382.18951.09871.77611.77523.09032.53592.65233.1513
H62.85382.18951.09871.77611.77522.53593.09033.15132.6523
H72.09011.09892.17242.51803.09032.53591.75702.94682.4120
H82.09011.09892.17242.51802.53593.09031.75702.41202.9468
H91.02252.06352.77673.77502.65233.15132.94682.41201.6312
H101.02252.06352.77673.77503.15132.65232.41202.94681.6312

picture of Ethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 116.225 N1 C2 H7 107.414
N1 C2 H8 107.414 C2 N1 H9 109.793
C2 N1 H10 109.793 C2 C3 H4 111.425
C2 C3 H5 110.938 C2 C3 H6 110.938
C3 C2 H7 109.577 C3 C2 H8 109.577
H4 C3 H5 107.803 H4 C3 H6 107.803
H5 C3 H6 107.775 H7 C2 H8 106.149
H9 N1 H10 105.809
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.300      
2 C -0.071      
3 C -0.262      
4 H 0.075      
5 H 0.077      
6 H 0.077      
7 H 0.084      
8 H 0.084      
9 H 0.119      
10 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.809 -0.856 0.000 1.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 59.770
(<r2>)1/2 7.731

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-135.150525
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 BLYP/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at BLYP/cc-pVTZ
ABC
1.05943 0.28544 0.25541

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

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability