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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-133.911623
Energy at 298.15K-133.916992
HF Energy-133.911623
Nuclear repulsion energy71.446790
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 B3PW91/6-31+G**
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 3717 3569 22.75      
2 A 3600 3456 16.65      
3 A 3274 3143 10.94      
4 A 3186 3059 8.47      
5 A 3172 3046 9.67      
6 A 1724 1655 203.76      
7 A 1654 1588 28.04      
8 A 1450 1392 2.05      
9 A 1336 1283 16.50      
10 A 1290 1239 46.40      
11 A 1079 1036 18.58      
12 A 998 958 28.42      
13 A 960 922 3.01      
14 A 812 780 87.91      
15 A 698 671 7.15      
16 A 550 528 287.81      
17 A 465 447 2.60      
18 A 351 337 63.18      

Unscaled Zero Point Vibrational Energy (zpe) 15157.9 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 14553.1 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 B3PW91/6-31+G**
ABC
1.90723 0.33291 0.28531

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.254 -0.196 0.015
C2 0.066 0.428 -0.000
N3 -1.183 -0.170 -0.078
H4 1.340 -1.279 0.019
H5 2.171 0.380 0.003
H6 0.025 1.515 -0.012
H7 -1.219 -1.159 0.126
H8 -1.952 0.342 0.327

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.34182.43941.08711.08322.10732.65623.2658
C21.34181.38742.13022.10581.08852.04562.0462
N32.43941.38742.75803.40052.07491.01021.0086
H41.08712.13022.75801.85643.08912.56383.6824
H51.08322.10583.40051.85642.42833.72524.1362
H62.10731.08852.07493.08912.42832.95262.3236
H72.65622.04561.01022.56383.72522.95261.6824
H83.26582.04621.00863.68244.13622.32361.6824

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.704 C1 C2 H6 119.879
C2 C1 H4 122.221 C2 C1 H5 120.158
C2 N3 H7 116.238 C2 N3 H8 116.415
N3 C2 H6 113.318 H4 C1 H5 117.609
H7 N3 H8 112.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.403      
2 C -0.069      
3 N -0.551      
4 H 0.133      
5 H 0.148      
6 H 0.146      
7 H 0.298      
8 H 0.298      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.378 -0.024 0.948 1.673
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.358 0.199 -2.078
y 0.199 -16.261 -0.142
z -2.078 -0.142 -23.131
Traceless
 xyz
x 2.338 0.199 -2.078
y 0.199 3.984 -0.142
z -2.078 -0.142 -6.322
Polar
3z2-r2-12.644
x2-y2-1.097
xy0.199
xz-2.078
yz-0.142


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.158 -0.592 0.093
y -0.592 4.566 -0.006
z 0.093 -0.006 3.771


<r2> (average value of r2) Å2
<r2> 50.123
(<r2>)1/2 7.080