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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-133.923711
Energy at 298.15K-133.929136
HF Energy-133.923711
Nuclear repulsion energy71.568616
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 B3PW91/6-311G*
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 3677 3540 6.47      
2 A 3575 3441 6.39      
3 A 3243 3122 17.64      
4 A 3161 3043 11.87      
5 A 3146 3029 12.50      
6 A 1736 1672 165.22      
7 A 1691 1628 26.83      
8 A 1457 1403 1.15      
9 A 1342 1292 13.38      
10 A 1306 1257 34.02      
11 A 1090 1049 14.37      
12 A 1000 963 27.74      
13 A 968 932 3.02      
14 A 796 766 86.22      
15 A 715 688 29.33      
16 A 607 584 293.16      
17 A 470 452 3.32      
18 A 358 345 58.19      

Unscaled Zero Point Vibrational Energy (zpe) 15168.6 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 14602.8 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 B3PW91/6-311G*
ABC
1.91518 0.33369 0.28652

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.250 -0.195 0.017
C2 0.067 0.425 -0.001
N3 -1.185 -0.167 -0.086
H4 1.338 -1.278 0.024
H5 2.169 0.378 -0.002
H6 0.027 1.512 -0.016
H7 -1.209 -1.154 0.127
H8 -1.931 0.334 0.371

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.33622.43801.08691.08272.10032.64233.2444
C21.33621.38732.12522.10311.08832.03372.0340
N32.43801.38732.75913.39942.07241.00961.0082
H41.08692.12522.75911.85283.08312.55243.6613
H51.08272.10313.39941.85282.42413.71164.1174
H62.10031.08832.07243.08312.42412.94222.3178
H72.64232.03371.00962.55243.71162.94221.6715
H83.24442.03401.00823.66134.11742.31781.6715

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.048 C1 C2 H6 119.711
C2 C1 H4 122.245 C2 C1 H5 120.432
C2 N3 H7 115.183 C2 N3 H8 115.314
N3 C2 H6 113.122 H4 C1 H5 117.300
H7 N3 H8 111.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.546      
2 C 0.006      
3 N -0.752      
4 H 0.200      
5 H 0.211      
6 H 0.207      
7 H 0.337      
8 H 0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.343 -0.047 1.065 1.715
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.086 0.275 -2.208
y 0.275 -16.089 -0.125
z -2.208 -0.125 -22.481
Traceless
 xyz
x 2.199 0.275 -2.208
y 0.275 3.694 -0.125
z -2.208 -0.125 -5.894
Polar
3z2-r2-11.787
x2-y2-0.997
xy0.275
xz-2.208
yz-0.125


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.579 -0.518 -0.023
y -0.518 4.356 -0.001
z -0.023 -0.001 2.478


<r2> (average value of r2) Å2
<r2> 49.736
(<r2>)1/2 7.052