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All results from a given calculation for CH2CHNH2 (aminoethene)

using model chemistry: PBEPBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/3-21G*
 hartrees
Energy at 0K-133.029871
Energy at 298.15K-133.034813
HF Energy-133.029871
Nuclear repulsion energy70.951869
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 PBEPBE/3-21G*
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 3606 3439 23.47      
2 A 3484 3322 29.54      
3 A 3199 3050 13.78      
4 A 3105 2960 3.88      
5 A 3091 2947 15.64      
6 A 1671 1593 191.01      
7 A 1648 1571 16.47      
8 A 1463 1395 0.79      
9 A 1333 1271 18.99      
10 A 1270 1211 32.02      
11 A 1046 998 18.19      
12 A 975 930 26.31      
13 A 961 916 1.29      
14 A 764 729 104.83      
15 A 683 651 12.04      
16 A 454 433 85.30      
17 A 450 429 2.38      
18 A 130 124 261.99      

Unscaled Zero Point Vibrational Energy (zpe) 14666.8 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 13984.8 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 PBEPBE/3-21G*
ABC
1.93438 0.32664 0.27945

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.271 -0.193 0.000
C2 0.066 0.423 -0.000
N3 -1.185 -0.173 -0.000
H4 1.368 -1.282 0.000
H5 2.189 0.394 0.000
H6 0.023 1.518 -0.000
H7 -1.277 -1.188 0.000
H8 -2.033 0.388 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.35312.45551.09381.08982.11752.73573.3546
C21.35311.38482.14532.12351.09652.09702.0991
N32.45551.38482.78353.42102.07801.01951.0168
H41.09382.14532.78351.86673.10672.64723.7891
H51.08982.12353.42101.86672.44013.81054.2222
H62.11751.09652.07803.10672.44013.00252.3467
H72.73572.09701.01952.64723.81053.00251.7474
H83.35462.09911.01683.78914.22222.34671.7474

picture of aminoethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.499 C1 C2 H6 119.266
C2 C1 H4 122.150 C2 C1 H5 120.364
C2 N3 H7 120.677 C2 N3 H8 121.110
N3 C2 H6 113.235 H4 C1 H5 117.485
H7 N3 H8 118.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.467      
2 C 0.041      
3 N -0.729      
4 H 0.164      
5 H 0.178      
6 H 0.199      
7 H 0.306      
8 H 0.307      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.100 -0.021 0.001 2.100
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.583 0.354 -0.002
y 0.354 -15.829 0.000
z -0.002 0.000 -22.386
Traceless
 xyz
x 3.525 0.354 -0.002
y 0.354 3.156 0.000
z -0.002 0.000 -6.680
Polar
3z2-r2-13.361
x2-y20.246
xy0.354
xz-0.002
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.144 -0.393 0.000
y -0.393 3.956 0.000
z 0.000 0.000 1.137


<r2> (average value of r2) Å2
<r2> 50.338
(<r2>)1/2 7.095