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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-24.191347
Energy at 298.15K-24.196742
HF Energy-24.191347
Nuclear repulsion energy40.617746
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 B3LYP/CEP-121G*
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 3612 3501 1.90      
2 A 3511 3403 2.56      
3 A 3223 3125 24.26      
4 A 3144 3048 15.60      
5 A 3123 3027 12.04      
6 A 1701 1649 129.15      
7 A 1664 1613 45.90      
8 A 1446 1402 2.04      
9 A 1321 1281 11.54      
10 A 1279 1240 36.54      
11 A 1065 1032 12.25      
12 A 985 955 31.69      
13 A 950 921 4.28      
14 A 785 761 87.87      
15 A 735 713 121.25      
16 A 634 614 203.07      
17 A 460 446 3.64      
18 A 336 325 51.84      

Unscaled Zero Point Vibrational Energy (zpe) 14986.0 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 14527.4 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 B3LYP/CEP-121G*
ABC
1.86174 0.32743 0.28125

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.261 -0.200 0.018
C2 0.070 0.434 -0.001
N3 -1.202 -0.169 -0.095
H4 1.339 -1.287 0.024
H5 2.185 0.371 -0.000
H6 0.032 1.525 -0.017
H7 -1.202 -1.158 0.143
H8 -1.929 0.325 0.414

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.34882.46511.09051.08632.11772.64523.2563
C21.34881.41112.13872.11541.09152.04302.0446
N32.46511.41112.77813.43052.09761.01691.0161
H41.09052.13872.77811.86193.10132.54663.6642
H51.08632.11543.43051.86192.44233.71844.1345
H62.11771.09152.09763.10132.44232.95752.3395
H72.64522.04301.01692.54663.71842.95751.6730
H83.25632.04461.01613.66424.13452.33951.6730

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.536 C1 C2 H6 120.041
C2 C1 H4 122.149 C2 C1 H5 120.233
C2 N3 H7 113.593 C2 N3 H8 113.792
N3 C2 H6 113.277 H4 C1 H5 117.598
H7 N3 H8 110.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.497      
2 C -0.008      
3 N -0.582      
4 H 0.144      
5 H 0.155      
6 H 0.159      
7 H 0.311      
8 H 0.317      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.176 -0.042 1.149 1.645
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.493 0.233 -2.425
y 0.233 -16.267 -0.144
z -2.425 -0.144 -22.700
Traceless
 xyz
x 1.990 0.233 -2.425
y 0.233 3.829 -0.144
z -2.425 -0.144 -5.820
Polar
3z2-r2-11.639
x2-y2-1.226
xy0.233
xz-2.425
yz-0.144


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.932 -0.595 -0.037
y -0.595 4.613 -0.001
z -0.037 -0.001 2.840


<r2> (average value of r2) Å2
<r2> 43.945
(<r2>)1/2 6.629