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All results from a given calculation for CH3CH2NH2 (Ethylamine)

using model chemistry: BLYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-135.136489
Energy at 298.15K-135.144573
Nuclear repulsion energy81.911401
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/6-311G**
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' 3356 3343 5.11      
2 A' 2995 2983 61.12      
3 A' 2947 2935 36.22      
4 A' 2936 2924 30.60      
5 A' 1625 1618 19.20      
6 A' 1470 1464 2.32      
7 A' 1451 1445 0.15      
8 A' 1370 1365 4.96      
9 A' 1343 1337 14.72      
10 A' 1114 1109 9.39      
11 A' 1005 1001 19.51      
12 A' 875 871 101.52      
13 A' 820 817 86.26      
14 A' 389 387 6.03      
15 A" 3428 3415 2.18      
16 A" 3004 2992 73.72      
17 A" 2969 2957 6.53      
18 A" 1460 1454 8.03      
19 A" 1357 1352 0.01      
20 A" 1239 1234 0.17      
21 A" 986 983 0.84      
22 A" 764 761 0.86      
23 A" 296 294 35.77      
24 A" 246 245 8.88      

Unscaled Zero Point Vibrational Energy (zpe) 19720.1 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 19643.2 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/6-311G**
ABC
1.05419 0.28441 0.25442

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.326 -0.082 0.000
C2 0.000 0.577 0.000
C3 1.229 -0.360 0.000
H4 2.173 0.209 0.000
H5 1.228 -1.010 0.889
H6 1.228 -1.010 -0.889
H7 0.040 1.239 -0.880
H8 0.040 1.239 0.880
H9 -1.402 -0.697 0.817
H10 -1.402 -0.697 -0.817

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6 H7 H8 H9 H10
N11.48102.57053.51132.85952.85952.09422.09421.02531.0253
C21.48101.54622.20432.19552.19551.10171.10172.06312.0631
C32.57051.54621.10211.10161.10162.17842.17842.77562.7756
H43.51132.20431.10211.78041.78042.52692.52693.77743.7774
H52.85952.19551.10161.78041.77893.09852.54332.64973.1508
H62.85952.19551.10161.78041.77892.54333.09853.15082.6497
H72.09421.10172.17842.52693.09852.54331.76072.95072.4144
H82.09421.10172.17842.52692.54333.09851.76072.41442.9507
H91.02532.06312.77563.77742.64973.15082.95072.41441.6340
H101.02532.06312.77563.77743.15082.64972.41442.95071.6340

picture of Ethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 116.220 N1 C2 H7 107.453
N1 C2 H8 107.453 C2 N1 H9 109.467
C2 N1 H10 109.467 C2 C3 H4 111.577
C2 C3 H5 110.914 C2 C3 H6 110.914
C3 C2 H7 109.567 C3 C2 H8 109.567
H4 C3 H5 107.789 H4 C3 H6 107.789
H5 C3 H6 107.692 H7 C2 H8 106.091
H9 N1 H10 105.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.422      
2 C -0.131      
3 C -0.291      
4 H 0.094      
5 H 0.089      
6 H 0.089      
7 H 0.109      
8 H 0.109      
9 H 0.176      
10 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.826 -0.913 0.000 1.231
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.261 2.588 0.000
y 2.588 -20.723 0.000
z 0.000 0.000 -19.581
Traceless
 xyz
x -4.109 2.588 0.000
y 2.588 1.198 0.000
z 0.000 0.000 2.910
Polar
3z2-r25.821
x2-y2-3.538
xy2.588
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.634 0.142 0.000
y 0.142 4.954 0.000
z 0.000 0.000 4.847


<r2> (average value of r2) Å2
<r2> 59.911
(<r2>)1/2 7.740

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-135.135669
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/6-311G**
Rotational Constants (cm-1) from geometry optimized at BLYP/6-311G**
ABC
1.05419 0.28441 0.25442

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability