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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-24.158474
Energy at 298.15K-24.163584
HF Energy-24.158474
Nuclear repulsion energy40.487134
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
(Å4/u)
Dep P Dep U
1 A 3745 3650 12.94      
2 A 3597 3506 23.44      
3 A 3226 3144 34.49      
4 A 3139 3059 13.77      
5 A 3112 3033 15.11      
6 A 1689 1646 223.96      
7 A 1662 1619 53.35      
8 A 1457 1420 1.34      
9 A 1332 1298 31.35      
10 A 1273 1241 52.89      
11 A 1045 1018 28.83      
12 A 994 969 26.16      
13 A 957 933 3.37      
14 A 812 792 117.81      
15 A 688 670 12.93      
16 A 452 440 1.83      
17 A 413 402 98.65      
18 A 231 225 252.29      

Unscaled Zero Point Vibrational Energy (zpe) 14911.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 14531.5 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
1.90203 0.32367 0.27660

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 -1.277 -0.198 0.000
C2 -0.070 0.434 0.000
N3 1.192 -0.176 -0.000
H4 -1.365 -1.284 0.000
H5 -2.194 0.381 -0.000
H6 -0.025 1.524 -0.000
H7 1.281 -1.181 -0.001
H8 2.035 0.376 0.001

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.36232.46921.08941.08512.12922.74003.3608
C21.36231.40212.15162.12461.09062.10582.1056
N32.46921.40212.78723.43202.09061.00911.0069
H41.08942.15162.78721.86033.11152.64803.7834
H51.08512.12463.43201.86032.45193.81004.2288
H62.12921.09062.09063.11152.45193.00352.3578
H72.74002.10581.00912.64803.81003.00351.7298
H83.36082.10561.00693.78344.22882.35781.7298

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 126.546 C1 C2 H6 120.046
C2 C1 H4 122.312 C2 C1 H5 120.055
C2 N3 H7 120.827 C2 N3 H8 120.983
N3 C2 H6 113.408 H4 C1 H5 117.633
H7 N3 H8 118.190
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 -0.460      
2 C 0.097      
3 N -0.569      
4 H 0.107      
5 H 0.116      
6 H 0.117      
7 H 0.294      
8 H 0.297      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.900 0.052 0.001 1.901
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.320 -0.256 0.003
y -0.256 -16.101 0.001
z 0.003 0.001 -23.293
Traceless
 xyz
x 3.377 -0.256 0.003
y -0.256 3.706 0.001
z 0.003 0.001 -7.083
Polar
3z2-r2-14.166
x2-y2-0.219
xy-0.256
xz0.003
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.897 0.609 0.000
y 0.609 4.423 0.000
z 0.000 0.000 2.569


<r2> (average value of r2) Å2
<r2> 44.425
(<r2>)1/2 6.665